256 citations · 1.9k across the 24 of their papers we have counts for
24 papers
A high-statistics measurement of transverse spin effects in dihadron production from muon-proton semi-inclusive deep-inelastic scattering
C. Adolph, R. Akhunzyanov, M. G. Alekseev +217
A measurement of the azimuthal asymmetry in dihadron production in deep-inelastic scattering of muons on transversely polarised proton (NH) targets are presented. They provid…
Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons
C. Adolph, R. Akhunzyanov, M. G. Alekseev +217
Spin-averaged asymmetries in the azimuthal distributions of positive and negative hadrons produced in deep inelastic scattering were measured using the CERN SPS muon beam at …
Transverse target spin asymmetries in exclusive muoproduction
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +209
Exclusive production of mesons was studied at the COMPASS experiment by scattering 160 GeV/ muons off transversely polarised protons. Five single-spin and three double-spi…
Hadron Transverse Momentum Distributions in Muon Deep Inelastic Scattering at 160 GeV/
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +207
Multiplicities of charged hadrons produced in deep inelastic muon scattering off a LiD target have been measured as a function of the DIS variables , , and t…
Study of Σ(1385) and Ξ(1321) hyperon and antihyperon production in deep inelastic muon scattering
C. Adolph, M. Alekseev, V. Yu. Alexakhin +203
Large samples of Λ, Σ(1385) and Ξ(1321) hyperons produced in deep-inelastic muon scattering off a ^6LiD target were collected with the COMPASS experimental setup at CERN. The relat…
Leading and Next-to-Leading Order Gluon Polarisation in the Nucleon and Longitudinal Double Spin Asymmetries from Open Charm Muoproduction
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The gluon polarisation in the nucleon was measured using open charm production by scattering 160 GeV/c polarised muons off longitudinally polarised protons or deuterons. The data w…
D* and D Meson Production in Muon Nucleon Interactions at 160 GeV/c
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The production of D* and D mesons in inelastic scattering of 160 GeV/c muons off a ^6LiD target has been investigated with the COMPASS spectrometer at CERN for 0.003 (GeV/c)^2 < Q^…
Exclusive rho^0 muoproduction on transversely polarised protons and deuterons
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217
The transverse target spin azimuthal asymmetry A_UT in hard exclusive production of rho^0 mesons was measured at COMPASS by scattering 160 GeV/c muons off transversely polarised pr…
Measurement of the Cross Section for High-p_T Hadron Production in Scattering of 160 GeV/c Muons off Nucleons
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +209
The differential cross section for production of charged hadrons with high transverse momenta in scattering of 160\,GeV/ muons off nucleons at low photon virtualities has been m…
Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +215
The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV posit…
Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Collins asymmetries
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +215
The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV posit…
Leading order determination of the gluon polarisation from DIS events with high-p_T hadron pairs
C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +212
We present a determination of the gluon polarisation Delta g/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with a pair of large transverse-momentu…
First Measurement of Chiral Dynamics in π^- γ-> π^- π^- π^+
M. G. Alekseev, V. Yu. Alexakhin, Yu. Alexandrov +202
The COMPASS collaboration at CERN has investigated the π^- γ-> π^- π^- π^+ reaction at center-of-momentum energy below five pion masses, sqrt(s) < 5 m(π), embedded in the Primakoff…
Quark helicity distributions from longitudinal spin asymmetries in muon-proton and muon-deuteron scattering
COMPASS Collaboration
Double-spin asymmetries for production of charged pions and kaons in semi-inclusive deep-inelastic muon scattering have been measured by the COMPASS experiment at CERN. The data, o…
Azimuthal asymmetries of charged hadrons produced by high-energy muons scattered off longitudinally polarised deuterons
COMPASS Collaboration
Azimuthal asymmetries in semi-inclusive production of positive (h^+) and negative hadrons (h^-) have been measured by scattering 160 GeV muons off longitudinally polarised deuteron…
Measurement of the Collins and Sivers asymmetries on transversely polarised protons
The COMPASS Collaboration, M. G. Alekseev
The Collins and Sivers asymmetries for charged hadrons produced in deeply inelastic scattering on transversely polarised protons have been extracted from the data collected in 2007…
The Spin-dependent Structure Function of the Proton g_1^p and a Test of the Bjorken Sum Rule
The COMPASS Collaboration, M. G. Alekseev
The inclusive double-spin asymmetry, A_1^p, has been measured at COMPASS in deepinelastic polarised muon scattering off a large polarised NH3 target. The data, collected in the yea…
Flavour Separation of Helicity Distributions from Deep Inelastic Muon-Deuteron Scattering
COMPASS Collaboration, M. Alekseev
We present a LO evaluation of helicity densities of valence, Δu_v+Δd_v, non-strange sea, Δ\bar{u}+Δ\bar{d}, and strange quarks, Δs (assumed to be equal to Δ\bar{s}). They have been…
Pattern recognition and PID for COMPASS RICH-1
P. Abbon, M. Alexeev, H. Angerer +65
A package for pattern recognition and PID by COMPASS RICH-1 has been developed and used for the analysis of COMPASS data collected in the years 2002 to 2004, and 2006-2007 with the…
Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS
The COMPASS Collaboration, M. Alekseev, V. Yu. Alexakhin +238
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 COM…
The Fast Read-out System for the MAPMTs of COMPASS RICH-1
C. Schill
A fast readout system for the upgrade of the COMPASS RICH detector has been developed and successfully used for data taking in 2006 and 2007. The new readout system for the multi-a…
Double spin asymmetry in exclusive rho^0 muoproduction at COMPASS
COMPASS Collaboration, M. Alekseev
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…
A new measurement of the Collins and Sivers asymmetries on a transversely polarised deuteron target
Compass, :, E. S. Ageev
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…
Fast Photon Detection for Particle Identification with COMPASS RICH-1
F. Nerling
Particle identification at high rates is an important challenge for many current and future high-energy physics experiments. The upgrade of the COMPASS RICH-1 detector requires a n…