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The COMPASS Collaboration
The COMPASS experiment at the CERN SPS has studied the diffractive dissociation of negative pions into the π−π−π+ final state using a 190 GeV/c pion beam hitting a lead target. A partial waveExpand
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First Measurement of Transverse-Spin-Dependent Azimuthal Asymmetries in the Drell-Yan Process.
The first measurement of transverse-spin-dependent azimuthal asymmetries in the pion-induced Drell-Yan (DY) process is reported. We use the CERN SPS 190  GeV/c π^{-} beam and a transversely polarizedExpand
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Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons
Abstract Spin-averaged asymmetries in the azimuthal distributions of positive and negative hadrons produced in deep inelastic scattering were measured using the CERN SPS longitudinally polarised muonExpand
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The Spin Structure Function g p 1 of the Proton and a Test of the Bjorken Sum Rule The COMPASS Collaboration
New results for the double spin asymmetry A1 and the proton longitudinal spin structure function g p 1 are presented. They were obtained by the COMPASS collaboration using polarised 200 GeV muonsExpand
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Collins and Sivers asymmetries in muonproduction of pions and kaons off transversely polarised protons
Measurements of the Collins and Sivers asymmetries for charged pions and charged and neutral kaons produced in semi-inclusive deep-inelastic scattering of high energy muons off transversely polarisedExpand
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Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Collins asymmetries
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 mu(+) beam and aExpand
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Hadron transverse momentum distributions in muon deep inelastic scattering at 160 GeV/c
Multiplicities of charged hadrons produced in deep inelastic muon scattering off a 6LiD target have been measured as a function of the DIS variables xBj, Q2, W2 and the final state hadron variablesExpand
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Collins and Sivers asymmetries for pions and kaons in muon–deuteron DIS
The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons oil a transversely polarised (LiD)-Li-6 target at COMPASS areExpand
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The COMPASS Setup for Physics with Hadron Beams
The main characteristics of the COMPASS experimental setup for physics with hadron beams are described. This setup was designed to perform exclusive measurements of processes with several chargedExpand
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The spin structure function gp1 of the proton and a test of the Bjorken sum rule
New results for the double spin asymmetry A(1)(p) and the proton longitudinal spin structure function g(1)(p) are presented. They were obtained by the COMPASS Collaboration using polarised 200 GeVExpand
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  • Open Access