Scientific Commons: N. Bianchi

"Azimuthal asymmetries in exclusive electroproduction of real photons are measured for the first time with respect to transverse target polarisation, providing new constraints on Generalized Parton...

Performance of the Electromagnetic Calorimeter of the HERMES Experiment (2007)

Avakian Bianchi, N. Bianchi, G. P. Capitani, E. De Sanctis, P. Di Nezza, A. Fantoni, ...

The performance of the electromagnetic calorimeter of the HERMES experiment is described. The calorimeter consists of 840 radiation resistant F101 lead-glass counters. The response to positrons up to...

LNF-INFN, C.P.13, Via E. Fermi 40 I-00044 Frascati (Roma), Italy (2007)

Van Den, H. Avakian, N. Bianchi, G. P. Capitani, E. De Sanctis, A. Fantoni, ...

A description of the HERMES electromagnetic calorimeter is given. The measured characteristics on the test beams and after one year data taking are presented. 1 Introduction: the HERMES experiment...

Quasi-Elastic and Inelastic Inclusive Electron Scattering From an Oxygen Jet Target (2007)

Anghinolfi Ripani, M. Anghinolfi, M. Ripani, M. Battaglieri, R. Cenni, P. Corvisiero, ...

The results of an experiment on inclusive electron scattering from an oxygen jet target, performed in a wide range of energy and momentum transfer covering both quasi-elastic and \Delta(1232)...

Separated Structure Functions for the Exclusive Electroproduction of $K^+\Lambda$ and $K^+\Sigma^0$ Final States (2007)

Ambrozewicz, P., Carman, D. S., Feuerbach, R. J., Mestayer, M. D., Raue, B. A., Schumacher, R. A., ...

We report measurements of the exclusive electroproduction of $K^+\Lambda$ and $K^+\Sigma^0$ final states from a proton target using the CLAS detector at the Thomas Jefferson National Accelerator...

First Measurement of Beam-Recoil Observables $C_x$ and $C_z$ in Hyperon Photoproduction (2007)

Bradford, R.K., Schumacher, R.A., Adams, G., Amaryan, M.J., Ambrozewicz, P., Anciant, E., ...

Spin transfer from circularly polarized real photons to recoiling hyperons has been measured for the reactions $\vec\gamma + p \to K^+ + \vec\Lambda$ and $\vec\gamma + p \to K^+ + \vec\Sigma^0$. The...

$\eta$' Photoproduction on the Proton for Photon Energies from 1.527 to 2.227 GeV (2007)

Dugger, M., P. Ball, J., Collins, P., Pasyuk, E., G. Ritchie, B., Adams, G., ...

Differential cross sections for the reaction gamma p -> eta-prime p have been measured with the CLAS spectrometer and a tagged photon beam with energies from 1.527 to 2.227 GeV. The results reported...

$\eta$' Photoproduction on the Proton for Photon Energies from 1.527 to 2.227 GeV (2007)

Dugger, M., P. Ball, J., Collins, P., Pasyuk, E., G. Ritchie, B., Adams, G., ...

Differential cross sections for the reaction gamma p -> eta-prime p have been measured with the CLAS spectrometer and a tagged photon beam with energies from 1.527 to 2.227 GeV. The results reported...

$\eta$' Photoproduction on the Proton for Photon Energies from 1.527 to 2.227 GeV (2007)

Dugger, M., P. Ball, J., Collins, P., Pasyuk, E., G. Ritchie, B., Adams, G., ...

Differential cross sections for the reaction gamma p -> eta-prime p have been measured with the CLAS spectrometer and a tagged photon beam with energies from 1.527 to 2.227 GeV. The results reported...

Single $\pi+$ electroproduction on the proton in the first and second resonance regions at 0.25GeV$^2$ < Q$^2$ < 0.65GeV$^2$ using CLAS (2007)

Egiyan, H., Aznauryan, I.G., Burkert, V.D., Griffioen, K.A., Joo, K., Minehart, R., ...

The ep-->e'pi+n reaction was studied in the first and second nucleon resonance regions in the 0.25 GeV2

Single $\pi+$ electroproduction on the proton in the first and second resonance regions at 0.25GeV$^2$ < Q$^2$ < 0.65GeV$^2$ using CLAS (2007)

Egiyan, H., Aznauryan, I.G., Burkert, V.D., Griffioen, K.A., Joo, K., Minehart, R., ...

The ep-->e'pi+n reaction was studied in the first and second nucleon resonance regions in the 0.25 GeV2

Single $\pi+$ electroproduction on the proton in the first and second resonance regions at 0.25GeV$^2$ < Q$^2$ < 0.65GeV$^2$ using CLAS (2007)

Egiyan, H., Aznauryan, I.G., Burkert, V.D., Griffioen, K.A., Joo, K., Minehart, R., ...

The ep-->e'pi+n reaction was studied in the first and second nucleon resonance regions in the 0.25 GeV2

Beam-Spin Asymmetries in the Azimuthal Distribution of Pion Electroproduction. (2007)

A. Airapetian, DESY Forschung Hochenergiephysik, Z. Akopov, M. Amarian, A. Andrus, E.C. Aschenauer, ...

Journal article

Nuclear Effects in Hadron Production 2007-06-16 - 2007-06-20 (2007)

N. Bianchi, DESY Forschung Hochenergiephysik

Contribution to a conf. proceeding (book/online)

Nuclear modification of two-hadron correlations from HERMES 2006-06-09 - 2006-06-16 (2007)

N. Bianchi, DESY Forschung Hochenergiephysik

Contribution to a conf. proceeding (journal)

Review on DIS electroproduction on nuclei 2006-05-22 - 2006-05-26 (2007)

N. Bianchi, DESY Forschung Hochenergiephysik

Contribution to a conf. proceeding (journal)

Hadronization in semi-inclusive deep-inelastic scattering on nuclei (2007)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, ASCHENAUER, EC, AUGUSTYNIAK, W, AVAKIAN, R, ...

Transverse polarization of Lambda and (Lambda)over-bar hyperons in quasireal photoproduction (2007)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Photoproduction of $\phi$(1020) mesons on the proton at large momentum transfer (2006)

Anciant, E., Lukashin, K., Smith, E.S., Adams, G.S., Anghinolfi, M., Asavapibhop, B., ...

Measurement of the Polarized Structure Function $\sigma_{LT^\prime}$ for Pion Electroproduction in the Roper Resonance Region (2006)

Joo, K., C. Smith, L., G. Aznauryan, I., D. Burkert, V., S. Egiyan, K., Minehart, R., ...

The polarized longitudinal-transverse structure function $\sigma_{LT^\prime}$ measures the interference between real and imaginary amplitudes in pion electroproduction and can be used to probe the...

Double-hadron leptoproduction in the nuclear medium (2006)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Exclusive photoproduction of the cascade ($\Xi$) hyperons (2005)

Price, J.W., Nefkens, B.M.K., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

We report on the first measurement of exclusive $ \Xi^-$(1321) hyperon photoproduction in $\gammap \rightarrow K^+K^+\Xi^-$ for $3.2

Radiative decays of the $\Sigma^0$(1385) and $\Lambda$(1520) hyperons (2005)

Taylor, S., Mutchler, G.S., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

The electromagnetic decays of the Sig0(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K+ Lambda(1116)gamma in the CLAS detector at the Thomas Jefferson National...

Survey of A$_{LT′}$ asymmetries in semi-exclusive electron scattering on $^4$He and$^12$C (2005)

Protopopescu, D., Hersman, F.W., Holtrop, M., Adams, G., Ambrozewicz, P., Anciant, E., ...

Single spin azimuthal asymmetries ALT′ were measured at Jefferson Lab using 2.2 and 4.4 GeV longitudinally polarised electrons incident on 4He and 12C targets in the CLAS detector. ALT′...

Quark-hadron duality and higher twist contributions in structure functions (2005)

Fantoni, A., Bianchi, N., Liuti, S.

Quark-hadron duality is studied in a systematic way for polarized and unpolarized structure functions, by taking into account all the available data in the resonance region. In both cases, a precise...

Quark-Hadron Duality in Structure Functions (2005)

Fantoni, A., Bianchi, N., Liuti, S.

Quark-hadron duality is studied in a systematic way for both the unpolarized and polarized structure functions, by taking into account all the available data in the resonance region.In both cases, a...

Measurement of the Polarized Structure Function $\sigma_{LT^\prime}$ for $p(\vec{e},e'\pi^+)n$ in the $\Delta(1232)$ Resonance Region (2005)

Joo, K., C. Smith, L., G. Aznauryan, I., D. Burkert, V., Minehart, R., Adams, G., ...

The polarized longitudinal-transverse structure function sigmaLT[prime] has been measured using the p(e-vector,e[prime]pi+)n reaction in the Delta(1232) resonance region at Q2 = 0.40 and 0.65 GeV2....

Exclusive photoproduction of the cascade ($\Xi$) hyperons (2005)

Price, J.W., Nefkens, B.M.K., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

We report on the first measurement of exclusive $ \Xi^-$(1321) hyperon photoproduction in $\gammap \rightarrow K^+K^+\Xi^-$ for $3.2

Measurement of the Polarized Structure Function $\sigma_{LT^\prime}$ for Pion Electroproduction in the Roper Resonance Region (2005)

Joo, K., C. Smith, L., G. Aznauryan, I., D. Burkert, V., S. Egiyan, K., Minehart, R., ...

The polarized longitudinal-transverse structure function $\sigma_{LT^\prime}$ measures the interference between real and imaginary amplitudes in pion electroproduction and can be used to probe the...

Radiative decays of the $\Sigma^0$(1385) and $\Lambda$(1520) hyperons (2005)

Taylor, S., Mutchler, G.S., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

The electromagnetic decays of the Sig0(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K+ Lambda(1116)gamma in the CLAS detector at the Thomas Jefferson National...

Survey of A$_{LT′}$ asymmetries in semi-exclusive electron scattering on $^4$He and$^12$C (2005)

Protopopescu, D., Hersman, F.W., Holtrop, M., Adams, G., Ambrozewicz, P., Anciant, E., ...

Single spin azimuthal asymmetries ALT′ were measured at Jefferson Lab using 2.2 and 4.4 GeV longitudinally polarised electrons incident on 4He and 12C targets in the CLAS detector. ALT′...

Exclusive photoproduction of the cascade ($\Xi$) hyperons (2005)

Price, J.W., Nefkens, B.M.K., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

We report on the first measurement of exclusive $ \Xi^-$(1321) hyperon photoproduction in $\gammap \rightarrow K^+K^+\Xi^-$ for $3.2

Measurement of the Polarized Structure Function $\sigma_{LT^\prime}$ for Pion Electroproduction in the Roper Resonance Region (2005)

Joo, K., C. Smith, L., G. Aznauryan, I., D. Burkert, V., S. Egiyan, K., Minehart, R., ...

The polarized longitudinal-transverse structure function $\sigma_{LT^\prime}$ measures the interference between real and imaginary amplitudes in pion electroproduction and can be used to probe the...

Radiative decays of the $\Sigma^0$(1385) and $\Lambda$(1520) hyperons (2005)

Taylor, S., Mutchler, G.S., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

The electromagnetic decays of the Sig0(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K+ Lambda(1116)gamma in the CLAS detector at the Thomas Jefferson National...

Survey of A$_{LT′}$ asymmetries in semi-exclusive electron scattering on $^4$He and$^12$C (2005)

Protopopescu, D., Hersman, F.W., Holtrop, M., Adams, G., Ambrozewicz, P., Anciant, E., ...

Single spin azimuthal asymmetries ALT′ were measured at Jefferson Lab using 2.2 and 4.4 GeV longitudinally polarised electrons incident on 4He and 12C targets in the CLAS detector. ALT′...

The HERMES polarized hydrogen and deuterium gas target in the HERA electron storage ring (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Measurement of the tensor structure function b(1) of the deuteron (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Subleading-twist effects in single-spin asymmetries in semi-inclusive deep-inelastic scattering on a longitudinally polarized hydrogen target (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Single-spin asymmetries in semi-inclusive deep-inelastic scattering on a transversely polarized hydrogen target (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

Quark helicity distributions in the nucleon for up, down, and strange quarks from semi-inclusive deep-inelastic scattering (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Search for an exotic S =-2, Q =-2 baryon resonance at a mass near 1862 MeV in quasireal photoproduction (2005)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, ANDRUS, A, ASCHENAUER, EC, ...

A Perturbative QCD Based Study of Polarized Nucleon Structure in the Transition Region and Beyond: "Quarks, Color Neutral Clusters, and Hadrons" (2004)

Liuti, S., Bianchi, N., Fantoni, A.

A large fraction of the world data on both polarized and unpolarized inclusive $ep$ scattering at large Bjorken $x$ lies in the resonance region where a correspondence with the deep inelastic regime,...

Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3 GeV (2004)

Mirazita, M., Ronchetti, F., Rossi, P., Joo, K., Mestayer, M.D., Raue, B.A., ...

Tensor polarization of the $\phi$ meson photoproduced at high $t$ (2004)

McCormick, K., Audit, G., Laget, J.M., Guo, L., Weygand, D.P., Stoler, P., ...

The CLAS Electromagnetic Calorimeter at Large Angles (2004)

Anghinolfi, M., Avakian, H., Battaglieri, M., Bianchi, N., Corvisiero, P., De Vita, R., ...

The study of the response of the two modules of the large-angle electromagnetic shower calorimeter (LAC) of the CLAS detector to charged and neutral particles is reported. The results agree very well...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering (2004)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized...

Complete measurement of three-body photodisintegration of 3He for photon energies between 0.35 and 1.55 GeV (2004)

Niccolai, S., Audit, G., L. Berman, B., M. Laget, J., Strauch, S., Adams, G., ...

The three-body photodisintegration of 3He has been measured with the CLAS detector at Jefferson Lab, using tagged photons of energies between 0.35 GeV and 1.55 GeV. The large acceptance of the...

Measurement of the Polarized Structure Function $\sigma_{LT^\prime}$ for $p(\vec{e},e'\pi^+)n$ in the $\Delta(1232)$ Resonance Region (2004)

Joo, K., C. Smith, L., G. Aznauryan, I., D. Burkert, V., Minehart, R., Adams, G., ...

The polarized longitudinal-transverse structure function sigmaLT[prime] has been measured using the p(e-vector,e[prime]pi+)n reaction in the Delta(1232) resonance region at Q2 = 0.40 and 0.65 GeV2....

Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3 GeV (2004)

Mirazita, M., Ronchetti, F., Rossi, P., Joo, K., Mestayer, M.D., Raue, B.A., ...

Tensor polarization of the $\phi$ meson photoproduced at high $t$ (2004)

McCormick, K., Audit, G., Laget, J.M., Guo, L., Weygand, D.P., Stoler, P., ...

Observation of an exotic baryon with S=+1 in photoproduction from the proton (2004)

Kubarovsky, V., Guo, L., Weygand, D.P., Stoler, P., Niyazov, R.A., Weinstein, L.B., ...

Two nucleon momentum distributions measured in $^3$He $(e,e'pp)n$ (2004)

Niyazov, R.A., Weinstein, L.B., Carman, D.S., Joo, K., Mestayer, M.D., Raue, B.A., ...

Complete measurement of three-body photodisintegration of 3He for photon energies between 0.35 and 1.55 GeV (2004)

Niccolai, S., Audit, G., L. Berman, B., M. Laget, J., Strauch, S., Adams, G., ...

The three-body photodisintegration of 3He has been measured with the CLAS detector at Jefferson Lab, using tagged photons of energies between 0.35 GeV and 1.55 GeV. The large acceptance of the...

Measurement of the Polarized Structure Function $\sigma_{LT^\prime}$ for $p(\vec{e},e'\pi^+)n$ in the $\Delta(1232)$ Resonance Region (2004)

Joo, K., C. Smith, L., G. Aznauryan, I., D. Burkert, V., Minehart, R., Adams, G., ...

The polarized longitudinal-transverse structure function sigmaLT[prime] has been measured using the p(e-vector,e[prime]pi+)n reaction in the Delta(1232) resonance region at Q2 = 0.40 and 0.65 GeV2....

Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3 GeV (2004)

Mirazita, M., Ronchetti, F., Rossi, P., Joo, K., Mestayer, M.D., Raue, B.A., ...

Tensor polarization of the $\phi$ meson photoproduced at high $t$ (2004)

McCormick, K., Audit, G., Laget, J.M., Guo, L., Weygand, D.P., Stoler, P., ...

Observation of an exotic baryon with S=+1 in photoproduction from the proton (2004)

Kubarovsky, V., Guo, L., Weygand, D.P., Stoler, P., Niyazov, R.A., Weinstein, L.B., ...

Two nucleon momentum distributions measured in $^3$He $(e,e'pp)n$ (2004)

Niyazov, R.A., Weinstein, L.B., Carman, D.S., Joo, K., Mestayer, M.D., Raue, B.A., ...

Measurement of the polarized structure function sigma(LT ') for p((e)over-right-arrow,e(')pi(+))n in the Delta(1232) resonance region (2004)

Joo, K., Smith, L.C., Aznauryan, I.G., Burkert, V.D., Minehart, R., Adams, G., ...

The polarized longitudinal-transverse structure function sigma(LT') has been measured using the p((e) over right arrow ,e'pi(+))n reaction in the Delta(1232) resonance region at Q(2)=0.40 and 0.65...

Proton source size measurements in the eA → e'ppX reaction (2004)

Stavinsky, A.V., Mikhailov, K.R., Lednicky, R., Vlassov, A.V., Adams, G., Ambrozewich, P., ...

Two-proton correlations at small relative momentum q were studied in the eA(3He,4He,C,Fe)→e'ppX reaction at E0=4.46 GeV using the CLAS detector at Jefferson Lab. The enhancement of the correlation...

Hard exclusive electroproduction of π+π-pairs (2004)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Hard exclusive electroproduction of pi(+) pi(-) pairs off hydrogen and deuterium targets has been studied by the HERMES experiment at DESY Legendre moments (P-1) and (P-3) of the angular...

Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction (2004)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Evidence for a narrow baryon state is found in quasi-real photoproduction on a deuterium target through the decay channel pK(S)(0) → ppi(+)pi(-). A peak is observed in the pK(S)(0) invariant mass...

Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3 GeV (2004)

Mirazita, M., Ronchetti, F., Rossi, P., De Sanctis, E., Adams, G., Ambrozewicz, P., ...

Nearly complete angular distributions of the two-body deuteron photodisintegration differential cross section have been measured using the CEBAF Large Acceptance Spectrometer detector and the tagged...

Measurement of beam-spin asymmetries for π+ electroproduction above the baryon resonance region (2004)

Avakian, H., Burkert, V.D., Elouadrhiri, L., Bianchi, N., Adams, G., Afanasev, A., ...

We report the first evidence for a nonzero beam-spin azimuthal asymmetry in the electroproduction of positive pions in the deep-inelastic kinematic region. Data for the reaction ep→e'pi(+)X have...

Two-nucleon momentum distributions measured in 3He(e,e ' pp)n (2004)

Niyazov, R.A., Weinstein, L.B., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

We have measured the 3He(e,e'pp)n reaction at 2.2 GeV over a wide kinematic range. The kinetic energy distribution for "fast" nucleons (p > 250 MeV/c) peaks where two nucleons each have 20% or...

Nuclear polarization of molecular hydrogen recombined on a non-metallic surface (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Evidence for a narrow vertical bar S vertical bar=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Hard exclusive electroproduction of pi(+)pi(-) pairs (2004)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Observation of an exotic S=+1 baryon in exclusive photoproduction from the deuteron (2003)

Stepanyan, S., Hicks, K., Carman, D.S., Pasyuk, E., Schumacher, R.A., Smith, E.S., ...

In an exclusive measurement of the reaction gamma d to K/sup +/K/sup -/pn, a narrow peak that can be attributed to an exotic baryon with strangeness S=+1 is seen in the K/sup +/n invariant mass...

Parton-Hadron Duality in Unpolarised and Polarised Structure Functions (2003)

Bianchi, N., Fantoni, A., Liuti, S.

We study the phenomenon of parton-hadron duality in both polarised and unpolarised electron proton scattering using the HERMES and the Jefferson Lab data, respectively. In both cases we extend a...

Double-spin asymmetries in the cross section of rho /sup 0/ and phi production at intermediate energies (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries in the cross section of electroproduction of rho /sup 0/ and phi mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Single-spin asymmetries have been measured for semi-inclusive electroproduction of pi /sup +/, pi /sup -/, pi /sup 0/ and K/sup +/ mesons in deep-inelastic scattering off a longitudinally polarised...

First measurement of transferred polarization in the exclusive ep to e'K/sup +/ Lambda reaction (2003)

Carman, D.S., Joo, K., Mestayer, M.D., Raue, B.A., Adams, G., Ambrozewicz, P., ...

The first measurements of the transferred polarization for the exclusive ep to e'K + Lambda reaction have been performed at Jefferson Laboratory using the CLAS spectrometer. A 2.567 GeV beam was used...

Evidence for quark-hadron duality in the proton spin asymmetry A1 (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Aschenauer, E.C., ...

Spin-dependent lepton-nucleon scattering data have been used to investigate the validity of the concept of quark-hadron duality for the spin asymmetry A1. Longitudinally polarized positrons were...

Q2 dependence of nuclear transparency for exclusive rho0 production (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Electron deuteron scattering with HERA, a letter of intent for an experimental programme with the H1 detector (2003)

Alexopoulos, T, Andreev, V, Aschenauer, E, Babaev, A, Backovic, S, Baranov, P, ...

Observation of an exotic S=+1 baryon in exclusive photoproduction from the deuteron (2003)

Stepanyan, S., Hicks, K., Egiyan, K.Sh., Carman, D.S., Dashyan, N., Sargsian, M., ...

Measurement of the proton spin structure function $g_1(x,Q^2)$ for $Q2$ from 0.15 to 1.6 GeV$^2$ with CLAS (2003)

Fatemi, R., Dodge, G.E., Forest, T.A., Taiuti, M., Adams, G.S., Amaryan, M.J., ...

$ep\rightarrow ep\pi^0$ reaction studied in the $\Delta$(1232)mass region using polarization asymmetries (2003)

Biselli, A.S., Adams, G.S., Amaryan, M.J., Joo, K., Smith, L.C., Burkert, V.D., ...

Measurement of the polarized structure function $\sigma_{LT'}$for p($\vec e,e'p$)$\pi^0$ in the $\Delta$(1232) resonance region (2003)

Joo, K., Smith, L.C., Burkert, V.D., Minehart, R., Kuhn, S.E., Dodge, G.E., ...

Kinematically complete measurement of the proton structure function $F_2$ in the resonance region and evaluation of its moments (2003)

Osipenko, M., Ricco, G., Taiuti, M, Ripani, M., Burkert, V.D., Simula, S., ...

Measurement of ep$\rightarrow$e'p$\pi^+\pi^-$and baryon resonance analysis (2003)

Ripani, M., Burkert, V.D., Mokeev, V., Battaglieri, M., De Vita, R., Golovach, E., ...

Observation of nuclear scaling in the A(e,e') reaction at $\chi_B>1$ (2003)

Egiyan, K.Sh., Dashyan, N., Sargsian, M., Stepanyan, S., Weinstein, L.B., Carman, D.S., ...

Measurement of inclusive spin structure functions of the deuteron (2003)

Yun, J., Kuhn, S.E., Dodge, G.E., Forest, T.A., Taiuti, M., Adams, G.S., ...

First measurement of transferred polarization in the exclusive $\vec e p \rightarrow e'K^+\vec \Lambda$ reaction (2003)

Carman, D.S., Joo, K., Mestayer, M.D., Raue, B.A., De Vita, R., Anghinolfi, M., ...

Photoproduction of $\omega$ meson on the proton at large momentum transfer (2003)

Battaglieri, M., Brunoldi, M., De Vita, R., Laget, J.M., Osiepenko, M., Ripani, M., ...

Observation of an exotic S=+1 baryon in exclusive photoproduction from the deuteron (2003)

Stepanyan, S., Hicks, K., Egiyan, K.Sh., Carman, D.S., Dashyan, N., Sargsian, M., ...

Measurement of the proton spin structure function $g_1(x,Q^2)$ for $Q2$ from 0.15 to 1.6 GeV$^2$ with CLAS (2003)

Fatemi, R., Dodge, G.E., Forest, T.A., Taiuti, M., Adams, G.S., Amaryan, M.J., ...

$ep\rightarrow ep\pi^0$ reaction studied in the $\Delta$(1232)mass region using polarization asymmetries (2003)

Biselli, A.S., Adams, G.S., Amaryan, M.J., Joo, K., Smith, L.C., Burkert, V.D., ...

Measurement of the polarized structure function $\sigma_{LT'}$for p($\vec e,e'p$)$\pi^0$ in the $\Delta$(1232) resonance region (2003)

Joo, K., Smith, L.C., Burkert, V.D., Minehart, R., Kuhn, S.E., Dodge, G.E., ...

Kinematically complete measurement of the proton structure function $F_2$ in the resonance region and evaluation of its moments (2003)

Osipenko, M., Ricco, G., Taiuti, M, Ripani, M., Burkert, V.D., Simula, S., ...

Measurement of ep$\rightarrow$e'p$\pi^+\pi^-$and baryon resonance analysis (2003)

Ripani, M., Burkert, V.D., Mokeev, V., Battaglieri, M., De Vita, R., Golovach, E., ...

Observation of nuclear scaling in the A(e,e') reaction at $\chi_B>1$ (2003)

Egiyan, K.Sh., Dashyan, N., Sargsian, M., Stepanyan, S., Weinstein, L.B., Carman, D.S., ...

Measurement of inclusive spin structure functions of the deuteron (2003)

Yun, J., Kuhn, S.E., Dodge, G.E., Forest, T.A., Taiuti, M., Adams, G.S., ...

First measurement of transferred polarization in the exclusive $\vec e p \rightarrow e'K^+\vec \Lambda$ reaction (2003)

Carman, D.S., Joo, K., Mestayer, M.D., Raue, B.A., De Vita, R., Anghinolfi, M., ...

Photoproduction of $\omega$ meson on the proton at large momentum transfer (2003)

Battaglieri, M., Brunoldi, M., De Vita, R., Laget, J.M., Osiepenko, M., Ripani, M., ...

Q2 dependence of nuclear transparency for exclusive rho0 production (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

The influence of the nuclear medium on lepto-production of hadrons was studied in the HERMES experiment at DESY in semi- inclusive deep-inelastic scattering of 27.6 GeV positrons off deuterium,...

The Q(2)-dependence of the generalised Gerasimov-Drell-Hearn integral for the deuteron, proton and neutron (2003)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Aschenauer, E.C., ...

The Gerasimov-Drell-Hearn (GDH) sum rule connects the anomalous contribution to the magnetic moment of the target nucleus with an energy-weighted integral of the difference of the helicity- dependent...

Measurement of the proton spin structure function g1(x,Q2) for Q2 from 0.15 to 1.6 GeV2 with CLAS (2003)

Fatemi, R., Skabelin, A.V., Burkert, V.D., Crabb, D., Vita, R.D., Kuhn, S.E., ...

Double-polarization asymmetries for inclusive ep scattering were measured at Jefferson Lab using 2.6 and 4.3 GeV longitudinally polarized electrons incident on a longitudinally polarized NH3 target...

Kinematically complete measurement of the proton structure function F-2 in the resonance region and evaluation of its moments (2003)

Osipenko, M., Ricco, G., Taiuti, M., Ripani, M., Simula, S., Adams, G., ...

We measured the inclusive electron-proton cross section in the nucleon resonance region (W lt 2.5 GeV) at momentum transfers Q(2) below 4.5 (GeV/c)(2) with the CLAS detector. The large acceptance of...

Measurement of ep → e ' p pi(+)pi(-) and baryon resonance analysis (2003)

Ripani, M., Burkert, V.D., Mokeev, V., Battaglieri, M., De Vita, R., Golovach, E., ...

The cross section for the reaction ep→e'ppi(+)pi(-) was measured in the resonance region for 1.4 lt W lt 2.1 GeV and 0.5 lt Q(2) lt 1.5 GeV2/c(2) using the CLAS detector at Jefferson Laboratory....

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment (2003)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target (2003)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ANDRUS, A, ...

The Q(2)-dependence of the generalised Gerasimov-Drell-Hearn integral for the deuteron, proton and neutron (2003)

AIRAPETIAN, A, AKOPOV, N, AKOPOV, Z, AMARIAN, M, AMMOSOV, VV, ASCHENAUER, EC, ...

Single-spin azimuthal asymmetry in exclusive electroproduction of pi /sup +/ mesons (2002)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

A single-spin asymmetry in the distribution of exclusively produced pi /sup +/ mesons azimuthally around the virtual photon direction relative to the lepton scattering plane has been measured for the...

Q$^2$ Dependence of Quadrupole Strength in the $\gamma$*p --> $\Delta^+$(1232) --> p$\pi^0$ Transition (2002)

Joo, K., C. Smith, L., D. Burkert, V., Minehart, R., G. Aznauryan, I., Elouadrhiri, L., ...

Models of baryon structure predict a small quadrupole deformation of the nucleon due to residual tensor forces between quarks or distortions from the pion cloud. Sensitivity to quark versus pion...

First measurement of the double spin asymmetry in $\vec e\vec p \rightarrow e'\pi^+ n$ in the resonance region (2002)

De Vita, R., Anghinolfi, M., Burkert, V.D., Dodge, G.E., Minehart, R., Taiuti, M., ...

Q$^2$ Dependence of Quadrupole Strength in the $\gamma$*p --> $\Delta^+$(1232) --> p$\pi^0$ Transition (2002)

Joo, K., C. Smith, L., D. Burkert, V., Minehart, R., G. Aznauryan, I., Elouadrhiri, L., ...

Models of baryon structure predict a small quadrupole deformation of the nucleon due to residual tensor forces between quarks or distortions from the pion cloud. Sensitivity to quark versus pion...

First measurement of the double spin asymmetry in $\vec e\vec p \rightarrow e'\pi^+ n$ in the resonance region (2002)

De Vita, R., Anghinolfi, M., Burkert, V.D., Dodge, G.E., Minehart, R., Taiuti, M., ...

The HERMES dual-radiator ring imaging Cherenkov detector (2002)

Akopov, N., Aschenauer, E.C., Bailey, K., Bernreuther, S., Bianchi, N., Capitani, G.P., ...

The construction and use of a dual radiator Ring Imaging Cherenkov (RICH) detector is described. This instrument was developed for the HERMES experiment at DESY which emphasises measurements of...

First measurement of the double spin asymmetry in (e)over- right-arrow(p)over-right-arrow → e 'pi(+) in the resonance region (2002)

De Vita, R., Anghinolfi, M., Burkert, V.D., Dodge, G.E., Minehart, R., Taiuti, M., ...

The double spin asymmetry in the (e) over right arrow(p) over right arrow → e' pi(+) n reaction has been measured for the first time in the resonance region for four-momentum transfer Q(2) =...

The HERMES dual-radiator ring imaging Cherenkov detector. (2002)

AKOPOV, N, ASCHENAUER, EC, BAILEY, K, BERNREUTHER, K, BIANCHI, N, CAPITANI, GP, ...

Measurement of longitudinal spin transfer to Lambda hyperons in deep-inelastic lepton scattering (2001)

Airapetian, A., Akopov, N., Amarian, M., Aschenauer, E.C., Avakian, H., Avakian, R., ...

Spin transfer in deep-inelastic Lambda electroproduction has been studied with the HERMES detector using the 27.6 GeV polarized positron beam in the DESY HERA storage ring. For an average fractional...

Single-spin azimuthal asymmetries in electroproduction of neutral pions in semi-inclusive deep-inelastic scattering (2001)

Airapetian, A, Akopov, N., Akopov, Z., Amarian, M, Aschenauer, E.C., Avakian, H., ...

A single-spin asymmetry in the azimuthal distribution of neutral pions relative to the lepton scattering plane has been measured for the first time in deep-inelastic scattering of positrons off...

Double-spin asymmetry in the cross section for exclusive rho0 production in lepton-proton scattering (2001)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Evidence for a positive longitudinal double-spin asymmetry (A/sub 1//sup rho /)=0.24+or-0.11/sub stat/+or-0.02/sub syst/ in the cross section for exclusive diffractive rho /sup 0/(770) vector-meson...

ELFE Electron Laboratory For Europe - Physics motivations (2001)

Anselmino, M., Battaglieri, M., Bianchi, N., Braun, V., De Sanctis, E., D'Hose, N., ...

Electroproduction of the $\lambda$(1520) hyperon (2001)

Barrow, S.P., Lukashin, K., Smith, E.S., Adams, G.S., Anciant, E., Anghinolfi, M., ...

The ep$\rightarrow$e'p$\eta$ reaction at and above the S$_{11}$(1535) baryon resonance (2001)

Thompson, R., Dytman, S., Kim, K Y., Mueller, J., Adams, G S., Amaryan, M J., ...

New cross sections for the reaction e p -> ep eta are reported for total center of mass energy W = 1.5--1.86 GeV and invariant momentum transfer Q^2 = 0.25--1.5 GeV^2. This large kinematic range...

Exclusive electroproduction of $\phi$ mesons at 4.2 GeV - Corrected article Phys.Rev.C63,065205(2001) (2001)

Lukashin, K., Smith, E.S., Adams, G.S., Anciant, E., Anghinolfi, M., Asavapibhop, B., ...

Observation of exclusive deeply virtual compton scattering in polarized electron beam asymmetry measurements (2001)

Stepanyan, S., Burkert, V.D., Elouadrhiri, L., Adams, G.S., Anciant, E., Anghinolfi, M., ...

Exclusive electroproduction of $\phi$ mesons at 4.2 GeV (2001)

Lukashin, K., Smith, E.S., Adams, G.S., Anciant, E., Anghinolfi, M., Asavapibhop, B., ...

ELFE Electron Laboratory For Europe - Physics motivations (2001)

Anselmino, M., Battaglieri, M., Bianchi, N., Braun, V., De Sanctis, E., D'Hose, N., ...

Electroproduction of the $\lambda$(1520) hyperon (2001)

Barrow, S.P., Lukashin, K., Smith, E.S., Adams, G.S., Anciant, E., Anghinolfi, M., ...

The ep$\rightarrow$e'p$\eta$ reaction at and above the S$_{11}$(1535) baryon resonance (2001)

Thompson, R., Dytman, S., Kim, K Y., Mueller, J., Adams, G S., Amaryan, M J., ...

New cross sections for the reaction e p -> ep eta are reported for total center of mass energy W = 1.5--1.86 GeV and invariant momentum transfer Q^2 = 0.25--1.5 GeV^2. This large kinematic range...

Exclusive electroproduction of $\phi$ mesons at 4.2 GeV - Corrected article Phys.Rev.C63,065205(2001) (2001)

Lukashin, K., Smith, E.S., Adams, G.S., Anciant, E., Anghinolfi, M., Asavapibhop, B., ...

Observation of exclusive deeply virtual compton scattering in polarized electron beam asymmetry measurements (2001)

Stepanyan, S., Burkert, V.D., Elouadrhiri, L., Adams, G.S., Anciant, E., Anghinolfi, M., ...

Exclusive electroproduction of $\phi$ mesons at 4.2 GeV (2001)

Lukashin, K., Smith, E.S., Adams, G.S., Anciant, E., Anghinolfi, M., Asavapibhop, B., ...

Single-spin azimuthal asymmetries in electroproduction of neutral pions in semi-inclusive deep-inelastic scattering (2001)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

Hadron formation in deep-inelastic positron scattering in a nuclear environment (2001)

Airapetian, A., Akopov, N., Akopov, Z., Akushevich, I., Amarian, T., Arrington, J., ...

The influence of the nuclear medium on the production of charged hadrons in semi-inclusive deep-inelastic scattering has been studied by the HERMES experiment at DESY using a 27.5 GeV positron beam....

Measurement of the beam-spin azimuthal asymmetry associated with deeply-virtual compton scattering (2001)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

The beam spin asymmetry in hard electroproduction of photons was measured in the missing-mass (Mx) range upto 7 GeV. A nonzero asymmetry was observed in the exclusive domain for Mx [less-than or...

Multiplicity of charged and neutral pions in deep-inelastic scattering of 27.5 GeV positrons on hydrogen (2001)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Measurements of the individual multiplicities of pi /sup +/, pi /sup -/ and pi /sup 0/ produced in the deep-inelastic scattering of 27.5 GeV positrons on hydrogen are presented. The average charged...

Single Spin Asymmetries in Semi-Inclusive Electroproduction: Access to Transversity (2000)

Oganessyan, K. A., Bianchi, N., De Sanctis, E.

We discuss the quark transversity distribution function and a possible way to access it through the measurement of single spin azimuthal asymmetry in semi-inclusive single pion electroproduction on a...

Investigation of single spin asymmetries in pi^{+} electroproduction (2000)

Oganessyan, K. A., Bianchi, N., De Sanctis, E.

The azimuthal single target-spin asymmetries for pi^{+} production in semi-inclusive deep inelastic scattering of leptons off longitudinally polarized protons are evaluated using two main approaches...

Perturbative contribution to the sin(phi) asymmetry in inclusive pi^{+} electroproduction (2000)

Oganessyan, K. A., Bianchi, N., De Sanctis, E.

We consider the sin(phi) single target-spin asymmetry in deep-inelastic pi^{+} inclusive electroproduction off a longitudinally polarized target. We show that at larger transverse momentum of the...

Photoproduction of $\phi$(1020) mesons on the proton at large momentum transfer (2000)

Anciant, E., Lukashin, K., Smith, E.S., Adams, G.S., Anghinolfi, M., Asavapibhop, B., ...

Photoproduction of $\phi$(1020) mesons on the proton at large momentum transfer (2000)

Anciant, E., Lukashin, K., Smith, E.S., Adams, G.S., Anghinolfi, M., Asavapibhop, B., ...

Used Optical characterization of n=1.03 silica aerogel as radiator in the RICH of HERMES. (2000)

ASCHENAUER, E, BIANCHI, N, CAPITANI, GP, CARTER, P, CASALINO, C, CISBANI, E, ...

Shadowing in the nuclear photoabsorption above the resonance region (1999)

Bianchi, N., De Sanctis, E., Mirazita, M., Muccifora, V.

A model based on the hadronic fluctuations of the real photon is developed to describe the total photonucleon and photonuclear cross sections in the energy region above the nucleon resonances. The...

Observation of a coherence length effect in exclusive ρ(0) electroproduction (1999)

Ackerstaff, K., Airapetian, A., Akopov, N., Akushevich, I., Amarian, M., Aschenauer, E. C., ...

Exclusive incoherent electroproduction of the ρ0(770) meson from 1H, 2H, 3He, and 14N targets has been studied by the HERMES experiment at squared four-momentum transfer Q^2>0.4 GeV^2 and positron...

Beam-induced nuclear depolarization in a gaseous polarized-hydrogen target (1999)

Ackerstaff, K., Airapetian, A., Akopov, N., Amarian, M., Aschenauer, E. C., Avakian, H., ...

Spin-polarized atomic hydrogen is used as a gaseous polarized-proton target in high-energy and nuclear-physics experiments operating with internal beams in storage rings. When such beams are intense...

Flavor asymmetry of the light quark sea from semi-inclusive deep-inelastic scattering (1998)

Ackerstaff, K., Airapetian, A., Akopov, N., Akushevich, I., Amarian, M., Ashenauer, E. C., ...

The flavor asymmetry of the light quark sea of the nucleon is determined in the kinematic range 0.02 < x < 0.3 and 1 < Q(2) < 10 GeV2 for the first time from semi-inclusive deep-inelastic scattering....

Photoabsorption on nuclei in the shadowing threshold region (1998)

Muccifora, V., Bianchi, N., Deppman, A., De Sanctis, E., Mirazita, M., Polli, E., ...

The energy and nuclear mass dependences of the total hadronic cross section in the energy range 0.5-2.6 GeV have been measured at Bonn using the SAPHIR tagged photon beam. The measurement, performed...

Determination of the forward Compton scattering amplitudes for C and Pb (1998)

Deppman, A., Bianchi, N., De Sanctis, E., Mirazita, M., Muccifora, V., Rossi, P.

The forward Compton scattering amplitude for carbon and lead have been calculated from total photoabsorption cross section data by using dispersion relations. The results show a large difference...

Sin$\phi$ azimuthal asymmetry in semi-inclusive electroproduction on longitudinally polarized nucleon (1998)

Oganessyan, K A, Avakian, H R, Bianchi, N, Kotzinian, A M

We investigate the $sin \phi$ azimuthal asymmetry in the semi-inclusive deep-inelastic lepton scattering off longitudinally polarized nucleon target arising from the time reversal odd structures. The...

Sin(phi) azimuthal asymmetry in semi-inclusive electroproduction on longitudinally polarized nucleon (1998)

Oganessyan, K. A., Avakian, H. R., Bianchi, N., Kotzinian, A. M.

We investigate the $sin \phi$ azimuthal asymmetry in the semi-inclusive deep-inelastic lepton scattering off longitudinally polarized nucleon target arising from the time reversal odd structures. The...

Sin$\phi$ azimuthal asymmetry in semi-inclusive electroproduction on longitudinally polarized nucleon (1998)

Oganesyan, K A, Avakian, H R, Bianchi, N, Kotzinian, A M

We investigate the $sin \phi$ azimuthal asymmetry in the semi-inclusive deep-inelastic lepton scattering off longitudinally polarized nucleon target arising from the time reversal odd structures. The...

Investigations of Azimuthal Asymmetry in Semi-Inclusive Leptoproduction (1997)

Oganessyan, K. A., Avakian, H. R., Bianchi, N., Di Nezza, P.

We consider the azimuthal asymmetries in semi-inclusive deep inelastic leptoproduction arising due to both perturbative and nonperturbative effects at HERMES energies and show that the $k_T^2/Q^2$...

GRAAL : a polarized gamma ray beam (04.-1.5 GeV) at ESRF (1997)

Ajaka, J., Anghinolfi, M., Bellini, V., Berrier, G., Bianchi, N., Bocquet, J.P., ...

GRAAL : a polarized gamma ray beam (04.-1.5 GeV) at ESRF (1997)

Ajaka, J., Anghinolfi, M., Bellini, V., Berrier, G., Bianchi, N., Bocquet, J.P., ...

The HERMES Charm Upgrade Program: A Measurement of the Double Spin Asymmetry in Charm Leptoproduction (1997)

Amarian Aschenauer Bianchi, M. Amarian, E. Aschenauer, N. Bianchi, A. Borissov, J. Brack, ...

Polarized leptoproduction of charm is an experimentally completely unexplored and theoretically very interesting topic. Of particular interest in this area is the potential sensitivity of the...

Total hadronic photoabsorption cross section on nuclei in the nucleon resonance region (1996)

Bianchi, N, Muccifora, V, De Sanctis, E, Fantoni, A, Levi-Sandri, P, Polli, E, ...

Quasi-elastic and inelastic inclusive electron scattering from an oxygen jet target (1996)

Anghinolfi, M., Ripani, M., Battaglieri, M., Cenni, R., Corvisiero, P., Longhi, A., ...

The results of an experiment on inclusive electron scattering from an oxygen jet target, performed in a wide range of energy and momentum transfer covering both quasi-elastic and $\Delta$(1232)...

Performance of a BGO calorimeter in a tagged photon beam from 260 to 1150 MeV (1996)

Levi Sandri, P., Ghio, F., Moricciani, D., Breuer, M., Rigney, M., Didelez, J.P., ...

Performance of a BGO calorimeter in a tagged photon beam from 260 to 1150 MeV (1996)

Levi Sandri, P., Ghio, F., Moricciani, D., Breuer, M., Rigney, M., Didelez, J.P., ...

The large angle electromagnetic shower calorimeter for CLAS: module design and optimisation of performances (1995)

Taiuti, M, Mokeev, V I, Anghinolfi, M, Bianchi, N, Capitani, G P, Corvisiero, P, ...

Double-spin asymmetries in the cross section of rho /sup 0/ and phi production at intermediate energies

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries in the cross section of electroproduction of rho /sup 0/ and phi mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in...

Double-spin asymmetry in the cross section for exclusive rho0 production in lepton-proton scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Evidence for a positive longitudinal double-spin asymmetry (A/sub 1//sup rho /)=0.24+or-0.11/sub stat/+or-0.02/sub syst/ in the cross section for exclusive diffractive rho /sup 0/(770) vector-meson...

Evidence for quark-hadron duality in the proton spin asymmetry A1

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Aschenauer, E.C., ...

Spin-dependent lepton-nucleon scattering data have been used to investigate the validity of the concept of quark-hadron duality for the spin asymmetry A1. Longitudinally polarized positrons were...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized...

Hadron formation in deep-inelastic positron scattering in a nuclear environment

Airapetian, A., Akopov, N., Akopov, Z., Akushevich, I., Amarian, T., Arrington, J., ...

The influence of the nuclear medium on the production of charged hadrons in semi-inclusive deep-inelastic scattering has been studied by the HERMES experiment at DESY using a 27.5 GeV positron beam....

Measurement of longitudinal spin transfer to Lambda hyperons in deep-inelastic lepton scattering

Airapetian, A., Akopov, N., Amarian, M., Aschenauer, E.C., Avakian, H., Avakian, R., ...

Spin transfer in deep-inelastic Lambda electroproduction has been studied with the HERMES detector using the 27.6 GeV polarized positron beam in the DESY HERA storage ring. For an average fractional...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Single-spin asymmetries have been measured for semi-inclusive electroproduction of pi /sup +/, pi /sup -/, pi /sup 0/ and K/sup +/ mesons in deep-inelastic scattering off a longitudinally polarised...

Measurement of the beam-spin azimuthal asymmetry associated with deeply-virtual compton scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

The beam spin asymmetry in hard electroproduction of photons was measured in the missing-mass (Mx) range upto 7 GeV. A nonzero asymmetry was observed in the exclusive domain for Mx [less-than or...

Multiplicity of charged and neutral pions in deep-inelastic scattering of 27.5 GeV positrons on hydrogen

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Measurements of the individual multiplicities of pi /sup +/, pi /sup -/ and pi /sup 0/ produced in the deep-inelastic scattering of 27.5 GeV positrons on hydrogen are presented. The average charged...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

The influence of the nuclear medium on lepto-production of hadrons was studied in the HERMES experiment at DESY in semi- inclusive deep-inelastic scattering of 27.6 GeV positrons off deuterium,...

Single-spin azimuthal asymmetry in exclusive electroproduction of pi /sup +/ mesons

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

A single-spin asymmetry in the distribution of exclusively produced pi /sup +/ mesons azimuthally around the virtual photon direction relative to the lepton scattering plane has been measured for the...

Single-spin azimuthal asymmetries in electroproduction of neutral pions in semi-inclusive deep-inelastic scattering

Airapetian, A, Akopov, N., Akopov, Z., Amarian, M, Aschenauer, E. C., Avakian, H., ...

A single-spin asymmetry in the azimuthal distribution of neutral pions relative to the lepton scattering plane has been measured for the first time in deep-inelastic scattering of positrons off...

The Q(2)-dependence of the generalised Gerasimov-Drell-Hearn integral for the deuteron, proton and neutron

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Aschenauer, E.C., ...

The Gerasimov-Drell-Hearn (GDH) sum rule connects the anomalous contribution to the magnetic moment of the target nucleus with an energy-weighted integral of the difference of the helicity- dependent...

The HERMES dual-radiator ring imaging Cherenkov detector

Akopov, N., Aschenauer, E.C., Bailey, K., Bernreuther, S., Bianchi, N., Capitani, G.P., ...

The construction and use of a dual radiator Ring Imaging Cherenkov (RICH) detector is described. This instrument was developed for the HERMES experiment at DESY which emphasises measurements of...

First measurement of transferred polarization in the exclusive ep to e'K/sup +/ Lambda reaction

Carman, D.S., Joo, K., Mestayer, M.D., Raue, B.A., Adams, G., Ambrozewicz, P., ...

The first measurements of the transferred polarization for the exclusive ep to e'K + Lambda reaction have been performed at Jefferson Laboratory using the CLAS spectrometer. A 2.567 GeV beam was used...

First measurement of the double spin asymmetry in (e)over- right-arrow(p)over-right-arrow → e 'pi(+) in the resonance region

De Vita, R., Anghinolfi, M., Burkert, V.D., Dodge, G.E., Minehart, R., Taiuti, M., ...

The double spin asymmetry in the (e) over right arrow(p) over right arrow → e' pi(+) n reaction has been measured for the first time in the resonance region for four-momentum transfer Q(2) =...

Measurement of the proton spin structure function g1(x,Q2) for Q2 from 0.15 to 1.6 GeV2 with CLAS

Fatemi, R., Skabelin, A.V., Burkert, V.D., Crabb, D., Vita, R.D., Kuhn, S.E., ...

Double-polarization asymmetries for inclusive ep scattering were measured at Jefferson Lab using 2.6 and 4.3 GeV longitudinally polarized electrons incident on a longitudinally polarized NH3 target...

Kinematically complete measurement of the proton structure function F-2 in the resonance region and evaluation of its moments

Osipenko, M., Ricco, G., Taiuti, M., Ripani, M., Simula, S., Adams, G., ...

We measured the inclusive electron-proton cross section in the nucleon resonance region (W lt 2.5 GeV) at momentum transfers Q(2) below 4.5 (GeV/c)(2) with the CLAS detector. The large acceptance of...

Measurement of ep → e ' p pi(+)pi(-) and baryon resonance analysis

Ripani, M., Burkert, V.D., Mokeev, V., Battaglieri, M., De Vita, R., Golovach, E., ...

The cross section for the reaction ep→e'ppi(+)pi(-) was measured in the resonance region for 1.4 lt W lt 2.1 GeV and 0.5 lt Q(2) lt 1.5 GeV2/c(2) using the CLAS detector at Jefferson Laboratory....

Observation of an exotic S=+1 baryon in exclusive photoproduction from the deuteron

Stepanyan, S., Hicks, K., Carman, D.S., Pasyuk, E., Schumacher, R.A., Smith, E.S., ...

In an exclusive measurement of the reaction gamma d to K/sup +/K/sup -/pn, a narrow peak that can be attributed to an exotic baryon with strangeness S=+1 is seen in the K/sup +/n invariant mass...

Measurement of the polarized structure function sigma(LT ') for p((e)over-right-arrow,e(')pi(+))n in the Delta(1232) resonance region

Joo, K., Smith, L.C., Aznauryan, I.G., Burkert, V.D., Minehart, R., Adams, G., ...

The polarized longitudinal-transverse structure function sigma(LT') has been measured using the p((e) over right arrow ,e'pi(+))n reaction in the Delta(1232) resonance region at Q(2)=0.40 and 0.65...

Proton source size measurements in the eA → e'ppX reaction

Stavinsky, A.V., Mikhailov, K.R., Lednicky, R., Vlassov, A.V., Adams, G., Ambrozewich, P., ...

Two-proton correlations at small relative momentum q were studied in the eA(3He,4He,C,Fe)→e'ppX reaction at E0=4.46 GeV using the CLAS detector at Jefferson Lab. The enhancement of the correlation...

Hard exclusive electroproduction of π+π-pairs

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Hard exclusive electroproduction of pi(+) pi(-) pairs off hydrogen and deuterium targets has been studied by the HERMES experiment at DESY Legendre moments (P-1) and (P-3) of the angular...

Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Evidence for a narrow baryon state is found in quasi-real photoproduction on a deuterium target through the decay channel pK(S)(0) → ppi(+)pi(-). A peak is observed in the pK(S)(0) invariant mass...

Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3 GeV

Mirazita, M., Ronchetti, F., Rossi, P., De Sanctis, E., Adams, G., Ambrozewicz, P., ...

Nearly complete angular distributions of the two-body deuteron photodisintegration differential cross section have been measured using the CEBAF Large Acceptance Spectrometer detector and the tagged...

Measurement of beam-spin asymmetries for π+ electroproduction above the baryon resonance region

Avakian, H., Burkert, V.D., Elouadrhiri, L., Bianchi, N., Adams, G., Afanasev, A., ...

We report the first evidence for a nonzero beam-spin azimuthal asymmetry in the electroproduction of positive pions in the deep-inelastic kinematic region. Data for the reaction ep→e'pi(+)X have...

Two-nucleon momentum distributions measured in 3He(e,e ' pp)n

Niyazov, R.A., Weinstein, L.B., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

We have measured the 3He(e,e'pp)n reaction at 2.2 GeV over a wide kinematic range. The kinetic energy distribution for "fast" nucleons (p > 250 MeV/c) peaks where two nucleons each have 20% or...

Sequencing of an upstream region of the human HLA-DRA gene containing X' and Y' boxes.

Feriotto, G, Mischiati, C, Bianchi, N, Rutigliano, C, Giacomini, P, Gambari, R

In this paper we report the characterization of a newly sequenced 5' upstream region of the human HLA-DRA gene. We performed (i) search for transcription factor motifs, (ii) analysis of CpG display...

Polymerase-chain reaction: analysis of DNA/DNA hybridization by capillary electrophoresis.

Bianchi, N, Mischiati, C, Feriotto, G, Gambari, R

Differential effects of distamycin analogues on amplification of human gene sequences by polymerase-chain reaction.

Passadore, M, Bianchi, N, Feriotto, G, Mischiati, C, Giacomini, P, Piva, R, ...

In this report we analyse the effects of distamycin and five distamycin analogues on amplification by polymerase-chain reaction (PCR) of two gene sequences displaying a different A+T/G+C content. The...

Targeting of the HIV-1 long terminal repeat with chromomycin potentiates the inhibitory effects of a triplex-forming oligonucleotide on Sp1-DNA interactions and in vitro transcription.

Bianchi, N, Rutigliano, C, Passadore, M, Tomassetti, M, Pippo, L, Mischiati, C, ...

We have studied the effects of chromomycin and of a triple-helix-forming oligonucleotide (TFO) that recognizes Sp1 binding sites on protein-DNA interactions and HIV-1 transcription. Molecular...

Sequencing of an upstream region of the human HLA-DRA gene containing X' and Y' boxes.

Feriotto, G, Mischiati, C, Bianchi, N, Rutigliano, C, Giacomini, P, Gambari, R

In this paper we report the characterization of a newly sequenced 5' upstream region of the human HLA-DRA gene. We performed (i) search for transcription factor motifs, (ii) analysis of CpG display...

Polymerase-chain reaction: analysis of DNA/DNA hybridization by capillary electrophoresis.

Bianchi, N, Mischiati, C, Feriotto, G, Gambari, R

Differential effects of distamycin analogues on amplification of human gene sequences by polymerase-chain reaction.

Passadore, M, Bianchi, N, Feriotto, G, Mischiati, C, Giacomini, P, Piva, R, ...

In this report we analyse the effects of distamycin and five distamycin analogues on amplification by polymerase-chain reaction (PCR) of two gene sequences displaying a different A+T/G+C content. The...

Targeting of the HIV-1 long terminal repeat with chromomycin potentiates the inhibitory effects of a triplex-forming oligonucleotide on Sp1-DNA interactions and in vitro transcription.

Bianchi, N, Rutigliano, C, Passadore, M, Tomassetti, M, Pippo, L, Mischiati, C, ...

We have studied the effects of chromomycin and of a triple-helix-forming oligonucleotide (TFO) that recognizes Sp1 binding sites on protein-DNA interactions and HIV-1 transcription. Molecular...

Double-spin asymmetries in the cross section of rho /sup 0/ and phi production at intermediate energies

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries in the cross section of electroproduction of rho /sup 0/ and phi mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in...

Double-spin asymmetry in the cross section for exclusive rho0 production in lepton-proton scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Evidence for a positive longitudinal double-spin asymmetry (A/sub 1//sup rho /)=0.24+or-0.11/sub stat/+or-0.02/sub syst/ in the cross section for exclusive diffractive rho /sup 0/(770) vector-meson...

Evidence for quark-hadron duality in the proton spin asymmetry A1

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Aschenauer, E.C., ...

Spin-dependent lepton-nucleon scattering data have been used to investigate the validity of the concept of quark-hadron duality for the spin asymmetry A1. Longitudinally polarized positrons were...

Flavor decomposition of the sea-quark helicity distributions in the nucleon from semiinclusive deep inelastic scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized...

Hadron formation in deep-inelastic positron scattering in a nuclear environment

Airapetian, A., Akopov, N., Akopov, Z., Akushevich, I., Amarian, T., Arrington, J., ...

The influence of the nuclear medium on the production of charged hadrons in semi-inclusive deep-inelastic scattering has been studied by the HERMES experiment at DESY using a 27.5 GeV positron beam....

Measurement of longitudinal spin transfer to Lambda hyperons in deep-inelastic lepton scattering

Airapetian, A., Akopov, N., Amarian, M., Aschenauer, E.C., Avakian, H., Avakian, R., ...

Spin transfer in deep-inelastic Lambda electroproduction has been studied with the HERMES detector using the 27.6 GeV polarized positron beam in the DESY HERA storage ring. For an average fractional...

Measurement of single-spin azimuthal asymmetries in semi-inclusive electroproduction of pions and kaons on a longitudinally polarised deuterium target

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Single-spin asymmetries have been measured for semi-inclusive electroproduction of pi /sup +/, pi /sup -/, pi /sup 0/ and K/sup +/ mesons in deep-inelastic scattering off a longitudinally polarised...

Measurement of the beam-spin azimuthal asymmetry associated with deeply-virtual compton scattering

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

The beam spin asymmetry in hard electroproduction of photons was measured in the missing-mass (Mx) range upto 7 GeV. A nonzero asymmetry was observed in the exclusive domain for Mx [less-than or...

Multiplicity of charged and neutral pions in deep-inelastic scattering of 27.5 GeV positrons on hydrogen

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Measurements of the individual multiplicities of pi /sup +/, pi /sup -/ and pi /sup 0/ produced in the deep-inelastic scattering of 27.5 GeV positrons on hydrogen are presented. The average charged...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Q2 dependence of nuclear transparency for exclusive rho0 production

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to...

Quark fragmentation to pi(+/-), pi(0), K-+/-, p and (p)over-bar in the nuclear environment

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

The influence of the nuclear medium on lepto-production of hadrons was studied in the HERMES experiment at DESY in semi- inclusive deep-inelastic scattering of 27.6 GeV positrons off deuterium,...

Single-spin azimuthal asymmetry in exclusive electroproduction of pi /sup +/ mesons

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

A single-spin asymmetry in the distribution of exclusively produced pi /sup +/ mesons azimuthally around the virtual photon direction relative to the lepton scattering plane has been measured for the...

Single-spin azimuthal asymmetries in electroproduction of neutral pions in semi-inclusive deep-inelastic scattering

Airapetian, A, Akopov, N., Akopov, Z., Amarian, M, Aschenauer, E. C., Avakian, H., ...

A single-spin asymmetry in the azimuthal distribution of neutral pions relative to the lepton scattering plane has been measured for the first time in deep-inelastic scattering of positrons off...

The Q(2)-dependence of the generalised Gerasimov-Drell-Hearn integral for the deuteron, proton and neutron

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Aschenauer, E.C., ...

The Gerasimov-Drell-Hearn (GDH) sum rule connects the anomalous contribution to the magnetic moment of the target nucleus with an energy-weighted integral of the difference of the helicity- dependent...

The HERMES dual-radiator ring imaging Cherenkov detector

Akopov, N., Aschenauer, E.C., Bailey, K., Bernreuther, S., Bianchi, N., Capitani, G.P., ...

The construction and use of a dual radiator Ring Imaging Cherenkov (RICH) detector is described. This instrument was developed for the HERMES experiment at DESY which emphasises measurements of...

First measurement of transferred polarization in the exclusive ep to e'K/sup +/ Lambda reaction

Carman, D.S., Joo, K., Mestayer, M.D., Raue, B.A., Adams, G., Ambrozewicz, P., ...

The first measurements of the transferred polarization for the exclusive ep to e'K + Lambda reaction have been performed at Jefferson Laboratory using the CLAS spectrometer. A 2.567 GeV beam was used...

First measurement of the double spin asymmetry in (e)over- right-arrow(p)over-right-arrow → e 'pi(+) in the resonance region

De Vita, R., Anghinolfi, M., Burkert, V.D., Dodge, G.E., Minehart, R., Taiuti, M., ...

The double spin asymmetry in the (e) over right arrow(p) over right arrow → e' pi(+) n reaction has been measured for the first time in the resonance region for four-momentum transfer Q(2) =...

Measurement of the proton spin structure function g1(x,Q2) for Q2 from 0.15 to 1.6 GeV2 with CLAS

Fatemi, R., Skabelin, A.V., Burkert, V.D., Crabb, D., Vita, R.D., Kuhn, S.E., ...

Double-polarization asymmetries for inclusive ep scattering were measured at Jefferson Lab using 2.6 and 4.3 GeV longitudinally polarized electrons incident on a longitudinally polarized NH3 target...

Kinematically complete measurement of the proton structure function F-2 in the resonance region and evaluation of its moments

Osipenko, M., Ricco, G., Taiuti, M., Ripani, M., Simula, S., Adams, G., ...

We measured the inclusive electron-proton cross section in the nucleon resonance region (W lt 2.5 GeV) at momentum transfers Q(2) below 4.5 (GeV/c)(2) with the CLAS detector. The large acceptance of...

Measurement of ep → e ' p pi(+)pi(-) and baryon resonance analysis

Ripani, M., Burkert, V.D., Mokeev, V., Battaglieri, M., De Vita, R., Golovach, E., ...

The cross section for the reaction ep→e'ppi(+)pi(-) was measured in the resonance region for 1.4 lt W lt 2.1 GeV and 0.5 lt Q(2) lt 1.5 GeV2/c(2) using the CLAS detector at Jefferson Laboratory....

Observation of an exotic S=+1 baryon in exclusive photoproduction from the deuteron

Stepanyan, S., Hicks, K., Carman, D.S., Pasyuk, E., Schumacher, R.A., Smith, E.S., ...

In an exclusive measurement of the reaction gamma d to K/sup +/K/sup -/pn, a narrow peak that can be attributed to an exotic baryon with strangeness S=+1 is seen in the K/sup +/n invariant mass...

Measurement of the polarized structure function sigma(LT ') for p((e)over-right-arrow,e(')pi(+))n in the Delta(1232) resonance region

Joo, K., Smith, L.C., Aznauryan, I.G., Burkert, V.D., Minehart, R., Adams, G., ...

The polarized longitudinal-transverse structure function sigma(LT') has been measured using the p((e) over right arrow ,e'pi(+))n reaction in the Delta(1232) resonance region at Q(2)=0.40 and 0.65...

Proton source size measurements in the eA → e'ppX reaction

Stavinsky, A.V., Mikhailov, K.R., Lednicky, R., Vlassov, A.V., Adams, G., Ambrozewich, P., ...

Two-proton correlations at small relative momentum q were studied in the eA(3He,4He,C,Fe)→e'ppX reaction at E0=4.46 GeV using the CLAS detector at Jefferson Lab. The enhancement of the correlation...

Hard exclusive electroproduction of π+π-pairs

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Hard exclusive electroproduction of pi(+) pi(-) pairs off hydrogen and deuterium targets has been studied by the HERMES experiment at DESY Legendre moments (P-1) and (P-3) of the angular...

Evidence for a narrow |S|=1 baryon state at a mass of 1528 MeV in quasi-real photoproduction

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V.V., Andrus, A., ...

Evidence for a narrow baryon state is found in quasi-real photoproduction on a deuterium target through the decay channel pK(S)(0) → ppi(+)pi(-). A peak is observed in the pK(S)(0) invariant mass...

Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3 GeV

Mirazita, M., Ronchetti, F., Rossi, P., De Sanctis, E., Adams, G., Ambrozewicz, P., ...

Nearly complete angular distributions of the two-body deuteron photodisintegration differential cross section have been measured using the CEBAF Large Acceptance Spectrometer detector and the tagged...

Measurement of beam-spin asymmetries for π+ electroproduction above the baryon resonance region

Avakian, H., Burkert, V.D., Elouadrhiri, L., Bianchi, N., Adams, G., Afanasev, A., ...

We report the first evidence for a nonzero beam-spin azimuthal asymmetry in the electroproduction of positive pions in the deep-inelastic kinematic region. Data for the reaction ep→e'pi(+)X have...

Two-nucleon momentum distributions measured in 3He(e,e ' pp)n

Niyazov, R.A., Weinstein, L.B., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., ...

We have measured the 3He(e,e'pp)n reaction at 2.2 GeV over a wide kinematic range. The kinetic energy distribution for "fast" nucleons (p > 250 MeV/c) peaks where two nucleons each have 20% or...

Determination of the Gluon Polarization at HERMES 2007-07-30 - 2007-08-02

N. Bianchi, DESY Forschung Hochenergiephysik

Conference presentation

Nuclear Effects in Hadron Production 2007-06-16 - 2007-06-20

N. Bianchi, DESY Forschung Hochenergiephysik

Conference presentation

Physics Motivations. NuPECC Report (September 2000), in print.

ANSELMINO, M, BATTAGLIERI, M, BIANCHI, N, BRAUN, V, DE SANCTIS, E, D'HOSE, N, ...

N. Bianchi

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