Differential cross sections for the reactions gamma p-> p eta and gamma p -> p eta-prime (2009)
Williams, M., Krahn, Z., Applegate, D., Bellis, M., Meyer, C. A., Collaboration, For The CLAS
High-statistics differential cross sections for the reactions gamma p -> p eta and gamma p -> p eta-prime have been measured using the CLAS at Jefferson Lab for center-of-mass energies from near...
Williams, M., Applegate, D., Bellis, M., Meyer, C. A., Collaboration, For The CLAS
High-statistics differential cross sections and spin density matrix elements for the reaction gamma p -> p omega have been measured using the CLAS at Jefferson Lab for center-of-mass (CM) energies...
Williams, M., Applegate, D., Bellis, M., Meyer, C. A., Collaboration, For The CLAS
An event-based partial wave analysis (PWA) of the reaction gamma p -> p omega has been performed on a high-statistics dataset obtained using the CLAS at Jefferson Lab for center-of-mass energies from...
The Experimental Status of Glueballs (2008)
Glueballs and other resonances with large gluonic components are predicted as bound states by Quantum Chromodynamics (QCD). The lightest (scalar) glueball is estimated to have a mass in the range...
Multivariate side-band subtraction using probabilistic event weights (2008)
Williams, M., Bellis, M., Meyer, C. A.
A common situation in experimental physics is to have a signal which can not be separated from a non-interfering background through the use of any cut. In this paper, we describe a procedure for...
An Ad-Hoc Method for Obtaining chi**2 Values from Unbinned Maximum Likelihood Fits (2008)
A common goal in an experimental physics analysis is to extract information from a reaction with multi-dimensional kinematics. The preferred method for such a task is typically the unbinned maximum...
A New Analysis of the Radiative Decay (2007)
K. M. Crowe, F. H. Heinsius, P. Kammel, M. Lakata, T. Degener, ...
We report on a measurement of the branching ratio of the rare decay #### relative to the well known decay ### 0 #. The #'s are produced in pp### and pp## 0 #. Eigenstate mixing and interference...
J. Adomeit, B. Kammle, J. Meier, P. Schmidt, R. Seibert, U. Strohbusch (2007)
A. Abele, S. Bischoff, P. Blum, N. Djaoshvili, D. Engelhardt, ...
We present a measurement and partial wave analysis of the final state KLK \Sigma ß \Upsilon of ¯ pp annihilation at rest in liquid hydrogen. This reaction is important for the study of the ¯ KK...
Will Be Inserted, C. Amsler, M. Benayoun, S. Bischo, P. Blum, ...
The three reactions pp ! # ## in proton-antiproton annihilation in #ight at 900 MeV=c are used to search for isoscalar 0 and 2 mesons in the mass range 1000 , 2000 MeV, in particular the f0#1710#....
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
Study of K anti-K resonances in anti-p p ---> K+ K- pi0 at 900-MeV/c and 1640-MeV/c (2006)
Crystal Barrel Collaboration, Amsler, C., Baker, C. A., Barnett, B. M., Batty, C. J., Benayoun, M., ...
ProminentK ¯ K resonances observed in the in-flight annihilation of ¯ pp intoK+K−π0 include f2(1270), f0(1500), f 2 (1525), φ(1680)/ρ(1700) and a state at 1750 MeV/c2...
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...
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...
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...
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...
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...
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...
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....
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) =...
Jets and energy flow in photon-proton collisions at HERA (1995)
Aid, S., Andreev, V., Andrieu, B., Appuhn, R D., Arpagaus, M., Babaev, A., ...
Jets and energy flow in photon-proton collisions at HERA (1995)
Aid, S., Andreev, V., Andrieu, B., Appuhn, R D., Arpagaus, M., Babaev, A., ...
Jets and energy flow in photon-proton collisions at HERA (1995)
Aid, S., Andreev, V., Andrieu, B., Appuhn, R D., Arpagaus, M., Babaev, A., ...
Search for a new light gauge boson in decays of $\pi^{0}$ and $\eta$ (1994)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Protonium annihilation into K$_{L}^{0}$K$_{S}^{0}\pi^{0}$ and K$_{L}^{0}$K$_{S}^{0}\eta$ (1993)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Antiproton-proton annihilation at rest into $\omega\pi^{0}\pi$.sup (0) (1993)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Antiproton-proton annihilation at rest into two-body final states (1993)
Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Measurement of the Proton Structure Function F_2(x,Q^2) in the Low x Region at HERA (1993)
I. Abt, T. Ahmed, B. Andrieu, H Collaboration, ...
: A measurement of the proton structure function F 2 (x; Q 2 ) is presented with about 1000 neutral current deep inelastic scattering events for Bjorken x in the range x ' 10 \Gamma2 \Gamma 10...
P- versus s-wave $\overline{p}$p-annihilation at rest in LH$_{2}$ (1992)
Amsler, Claude, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, Beuchert, K, ...
The Crystal Barrel spectrometer at LEAR (1992)
Aker, E, Amsler, Claude, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...
Recent results from the Crystal Barrel experiment (1991)
Amsler, Claude, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, Beckmann, R, ...
pp annihilation spectroscopy: past and future with the crystal barrel. (1987)
Aker, E., Amsler, C., Batty, C., Bistirlich, J., Braune, K., Bugg, D.V., ...
2nd Internat.Conf.on Hadron Spectroscopy (Hadron 87), Tsukuba, J, April 16-18, 1987