Double spin asymmetry A LT in direct photon production

Double spin asymmetry A LT in direct photon production
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DOI:
10.1016/j.physletb.2012.04.072
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发表时间:
2012-03
期刊:
影响因子:
4.4
通讯作者:
Z. Liang;A. Metz;D. Pitonyak;A. Schafer;Yu-kun Song;Jian Zhou
Z. Liang;A. Metz;D. Pitonyak;A. Schafer;Yu-kun Song;Jian Zhou
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Z. Liang;A. Metz;D. Pitonyak;A. Schafer;Yu-kun Song;Jian Zhou

文献摘要

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本文用共线扭曲3方法研究了核子-核子散射中直接光子产生的横-横双自旋不对称性。这种不对称性,例如,可以在RHIC测量,包含一套完整的共线扭曲3相关函数在一个横向极化核子。
We study the longitudinal-transverse double spin asymmetry ALTfor direct photon production in nucleon–nucleon scattering by using the collinear twist-3 approach. This asymmetry, which, for instance, could be measured at RHIC, contains a complete set of collinear twist-3 correlation functions in a transversely polarized nucleon.