Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-11-06
Phys.Rev.D73:077503,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, 4 figures
Scientific paper
10.1103/PhysRevD.73.077503
We study the polarization of the anti-Lambda particle in polarized high energy pp collisions at large transverse momenta. The anti-Lambda polarization is found to be sensitive to the polarization of the anti-strange sea of the nucleon. We make predictions using different parameterizations of the polarized quark distribution functions. The results show that the measurement of longitudinal anti-Lambda polarization can distinguish different parameterizations, and that similar measurements in the transversely polarized case can give some insights into the transversity distribution of the anti-strange sea of nucleon.
Liang Zuo-tang
Sichtermann Ernst
Xu Qing-hua
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