2015
DOI: 10.48550/arxiv.1511.06764
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Jin Huang,
Zhong-Bo Kang,
Ivan Vitev
et al.

Abstract: We study the cross section for vector boson (W ± /Z 0 /γ * ) production in polarized nucleon-nucleon collisions for low transverse momentum of the observed vector boson. For the case where one measures the transverse momentum and azimuthal angle of the vector bosons, we present the cross sections and the associated spin asymmetries in terms of transverse momentum dependent parton distribution functions (TMDs) at tree level within the TMD factorization formalism. To assess the feasibility of experimental measur… Show more

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Cited by 4 publications
(5 citation statements)
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“…For Drell-Yan scattering, p(P A , S ⊥ ) + p(P B ) → [γ * (q) →] + − + X, the differential cross section with the relevant terms is given in [55][56][57][58] by the expression…”
Section: B Sivers Formalism In Drell-yanmentioning
confidence: 99%
“…For Drell-Yan scattering, p(P A , S ⊥ ) + p(P B ) → [γ * (q) →] + − + X, the differential cross section with the relevant terms is given in [55][56][57][58] by the expression…”
Section: B Sivers Formalism In Drell-yanmentioning
confidence: 99%
“…The TSSA have been observed in transversely polarized p ↑ p collision process at RHIC [11], and there have been some discussions on these experimental results [28,53]. There are still some discrepancies between the theoretical calculations and the experimental data.…”
Section: Introductionmentioning
confidence: 99%
“…QCD predicts that the T-odd PDFs present generalized universality, i.e., the sign of the Sivers function measured in Drell-Yan process should be opposite to its sign measured in SIDIS [16,34,35] process. The verification of this sign change [36][37][38][39][40][41] is one of the most fundamental tests of our understanding of the QCD dynamics and the factorization scheme, and it is also the main pursue of the existing and future Drell-Yan facilities [10,11,[42][43][44][45]. The COMPASS Collaboration has reported the first measurement of the Sivers asymmetry in the pion-induced Drell-Yan process, in which a π − beam was scattered off the transversely polarized NH 3 target [11].…”
Section: Numerical Estimate For the Physical Observables In π-N Drell...mentioning
confidence: 93%
“…Remarkably, QCD predicts that the sign of the Sivers function changes in SIDIS with respect to the Drell-Yan process [16,34,35]. The verification of this sign change [36][37][38][39][40][41] is one of the most fundamental tests of our understanding of the QCD dynamics and the factorization schemes, and it is also the main pursue of the existing and future Drell-Yan facilities [10,11,[42][43][44][45]. The advantage of the π N Drell-Yan measurement at COMPASS is that almost the same setup [11,46] is used in SIDIS and Drell-Yan processes, which may reduce the uncertainty in the extraction of the Sivers function.…”
Section: Introductionmentioning
confidence: 99%