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Title: Transverse spin effects of sea quarks in unpolarized nucleons

Abstract

We calculate the nonzero Boer-Mulders functions of sea quarks inside the proton in a meson-baryon fluctuation model. The results show that the transverse spin effects of sea quarks in an unpolarized nucleon are sizable. Using the obtained antiquark Boer-Mulders functions, we estimate the cos2{phi} asymmetries in the unpolarized pp and pD Drell-Yan processes at FNAL E866/NuSea experiments. The prediction for the cos2{phi} asymmetries in the unpolarized pp Drell-Yan process at the BNL Relativistic Heavy Ion Collider (RHIC) is also given.

Authors:
;  [1];  [2]
  1. Departamento de Fisica, Universidad Tecnica Federico Santa Maria, Casilla 110-V, Valparaiso (Chile)
  2. School of Physics and MOE Key Laboratory of Heavy Ion Physics, Peking University, Beijing 100871 (China)
Publication Date:
OSTI Identifier:
20933240
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. D, Particles Fields; Journal Volume: 75; Journal Issue: 1; Other Information: DOI: 10.1103/PhysRevD.75.014026; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ASYMMETRY; BNL; BROOKHAVEN RHIC; DRELL MODEL; MESONS; PROTONS; QUARKS; SPIN

Citation Formats

Lu Zhun, Schmidt, Ivan, and Ma Boqiang. Transverse spin effects of sea quarks in unpolarized nucleons. United States: N. p., 2007. Web. doi:10.1103/PHYSREVD.75.014026.
Lu Zhun, Schmidt, Ivan, & Ma Boqiang. Transverse spin effects of sea quarks in unpolarized nucleons. United States. doi:10.1103/PHYSREVD.75.014026.
Lu Zhun, Schmidt, Ivan, and Ma Boqiang. Mon . "Transverse spin effects of sea quarks in unpolarized nucleons". United States. doi:10.1103/PHYSREVD.75.014026.
@article{osti_20933240,
title = {Transverse spin effects of sea quarks in unpolarized nucleons},
author = {Lu Zhun and Schmidt, Ivan and Ma Boqiang},
abstractNote = {We calculate the nonzero Boer-Mulders functions of sea quarks inside the proton in a meson-baryon fluctuation model. The results show that the transverse spin effects of sea quarks in an unpolarized nucleon are sizable. Using the obtained antiquark Boer-Mulders functions, we estimate the cos2{phi} asymmetries in the unpolarized pp and pD Drell-Yan processes at FNAL E866/NuSea experiments. The prediction for the cos2{phi} asymmetries in the unpolarized pp Drell-Yan process at the BNL Relativistic Heavy Ion Collider (RHIC) is also given.},
doi = {10.1103/PHYSREVD.75.014026},
journal = {Physical Review. D, Particles Fields},
number = 1,
volume = 75,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}