Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Austregesilo, A, ...
The longitudinal polarisation transfer from muons to lambda and anti-lambda hyperons, D_LL, has been studied in deep inelastic scattering off an unpolarised isoscalar target at the COMPASS experiment...
Flavour Separation of Helicity Distributions from Deep Inelastic Muon-Deuteron Scattering (2009)
Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Austregisilio, A, ...
We present a LO evaluation of helicity densities of valence, \Delta u_v+\Delta d_v, non-strange sea, \Delta\bar{u}+\Delta\bar{d}, and strange quarks, \Delta s (assumed to be equal to \Delta\bar{s})....
Direct Measurement of the Gluon Polarisation in the Nucleon via Charmed Meson Production (2008)
Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...
We present the first measurement of the gluon polarisation in the nucleon based on the photon-gluon fusion process tagged by charmed meson production and decay to charged K and pi. The data were...
Direct Measurement of the Gluon Polarisation in the Nucleon via Charmed Meson Production (2008)
Alekseev, M, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, Badelek, B, ...
We present the first measurement of the gluon polarisation in the nucleon based on the photon-gluon fusion process tagged by charmed meson production and decay to charged K and pi. The data were...
Collins and Sivers Transverse Spin Asymmetries for Pions and Kaons on Deuterons (2008)
Aleeksev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...
The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COMPASS are presented....
Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS (2008)
Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Arbuzov, A., ...
The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COMPASS are presented....
Collins and Sivers Transverse Spin Asymmetries for Pions and Kaons on Deuterons (2008)
Aleeksev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...
The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons on a transversely polarised 6LiD target at COMPASS are presented....
The Polarised Valence Quark Distribution from semi-inclusive DIS (2007)
Alekseev, M, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Amoroso, A, Arbuzov, A, ...
The semi-inclusive difference asymmetry A^{h+ - h-} for hadrons of opposite charge has been measured by the COMPASS experiment at CERN. The data were collected in the years 2002-2004 using a 160 GeV...
Double spin asymmetry in exclusive $\rho^0$ muoproduction at COMPASS (2007)
Alexakhin, V Yu, Alekseev, M, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Arbuzov, A, ...
The longitudinal double spin asymmetry A_1^rho for exclusive leptoproduction of rho^0 mesons, mu + N -> mu + N + rho, is studied using the COMPASS 2002 and 2003 data. The measured reaction is...
The COMPASS Experiment at CERN (2007)
Abbon, P, Albrecht, E, Alexakhin, V Yu, Alexandrov, Yu, Alexeev, G D, Alekseev, M G, ...
The COMPASS experiment makes use of the CERN SPS high-intensitymuon and hadron beams for the investigation of the nucleon spin structure and the spectroscopy of hadrons. One or more outgoing...
Ageev, E S, Alexakhin, V Yu, Alexandrov, Y, Alexeev, G D, Amoroso, A, Badelek, B, ...
We present a precise measurement of the deuteron longitudinal spin asymmetry $A_1^d$ and of the deuteron spin-dependent structure function $g_1^d$ at $Q^2 < $ 1~(GeV/$c$)$^2$ and $4\cdot$10$^{-5} < x...
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Alexeev, M, Amoroso, A, ...
New high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarised 6LiD target are presented. The data...
The Deuteron Spin-dependent Structure Function $g^{d}_1$ and its First Moment (2006)
Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Alexeev, M, Amoroso, A, Badeek, B, ...
We present a measurement of the deuteron spin-dependent structure function g^d_1 based on the data collected by the COMPASS experiment at CERN during the years 2002-2004. The data provide an accurate...
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...
Gluon polarization in the nucleon from quasi-real photoproduction of high-pT hadron pairs (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badelek, B, ...
We present a determination of the gluon polarization Delta G/G in the nucleon, based on the helicity asymmetry of quasi-real photoproduction events, Q^2
Search for the $\phi (1860)$ Pentaquark at COMPASS (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...
Narrow Xi-pi+- and Xi-bar+pi+- resonances produced by quasi-real photons have been searched for by the COMPASS experiment at CERN. The study was stimulated by the recent observation of an exotic...
Search for the $\phi (1860)$ Pentaquark at COMPASS (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...
Narrow Xi-pi+- and Xi-bar+pi+- resonances produced by quasi-real photons have been searched for by the COMPASS experiment at CERN. The study was stimulated by the recent observation of an exotic...
Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, Balestra, F, ...
First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6-LiD target are presented. The data were taken...
Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, Balestra, F, ...
First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6-LiD target are presented. The data were taken...
Measurement of the Spin Structure of the Deuteron in the DIS Region (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...
We present a new measurement of the longitudinal spin asymmetry A_1^d and the spin-dependent structure function g_1^d of the deuteron in the range 1 GeV^2 < Q^2 < 100 GeV^2 and 0.004< x
Measurement of the Spin Structure of the Deuteron in the DIS Region (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...
We present a new measurement of the longitudinal spin asymmetry A_1^d and the spin-dependent structure function g_1^d of the deuteron in the range 1 GeV^2 < Q^2 < 100 GeV^2 and 0.004< x
Exotic Mesons with non-qq Quantum Numbers (2000)
INTRODUCTION Mesons with the exotic quantum numbers J = 0 ; 0 ; 1 ; 2 ; : : : have necessarily non-qq structure due to the generalized Pauli principle. Glueballs and quark-gluon hybrids, but also...
Direct observation of the inversion of flow (1998)
Lemmon, R C, Tsang, M B, Trautmann, W, Beauvais, C, Charity, R J, Dempsey, J F, ...
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, ...
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, ...
SPIN POLARIZATION OF LIGHT FRAGMENTS FROM 16O + 58Ni REACTIONS (1980)
Trautmann, W., Dahme, W., Dünnweber, W., Hering, W., Lauterbach, C., Puchta, H., ...
No abstract available
SPIN POLARIZATION OF LIGHT FRAGMENTS FROM 16O + 58Ni REACTIONS (1980)
Trautmann, W., Dahme, W., Dünnweber, W., Hering, W., Lauterbach, C., Puchta, H., ...
No abstract available
SPIN POLARIZATION OF LIGHT FRAGMENTS FROM 16O + 58Ni REACTIONS (1980)
Trautmann, W., Dahme, W., Dünnweber, W., Hering, W., Lauterbach, C., Puchta, H., ...
No abstract available