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First measurement of transverse-spin-dependent azimuthal asymmetries in the Drell-Yan process

By Aghasyan and others
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/\(c\), \(\pi^{-}\) beam and a transversely polarized ammonia target. Three azimuthal asymmetries giving access to different transverse-momentum-dependent (TMD) parton distribution functions (PDFs) are extracted using dimuon events with invariant... Show more
April 3, 2017
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First measurement of transverse-spin-dependent azimuthal asymmetries in the Drell-Yan process
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