TMDs and SSAs in hadronic interactions

被引：28
作者：
Aschenauer, E. C. [1 ]
D'Alesio, U. [2 ,3 ]
Murgia, F. [3 ]
机构：
[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
[2] Univ Cagliari, Dipartimento Fis, I-09042 Monserrato, CA, Italy
[3] Ist Nazl Fis Nucl, Sez Cagliari, CP 170, I-09042 Monserrato, CA, Italy
来源：
EUROPEAN PHYSICAL JOURNAL A | 2016年 / 52卷 / 06期
关键词：
SINGLE-SPIN ASYMMETRIES; DRELL-YAN; HARD-SCATTERING; STATE INTERACTIONS; CROSS-SECTIONS; DIRECT-PHOTON; FRAGMENTATION; UNIVERSALITY; AZIMUTHAL; BOSON;
D O I：
10.1140/epja/i2016-16156-4
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We present an overview on the current experimental and phenomenological status of transverse single-spin asymmetries (tSSAs) in proton-proton collisions. In particular, we focus on large-pT inclusive pion, photon, jet, pion-jet production and Drell-Yan processes. For all of them theoretical estimates are given in terms of a generalised parton model (GPM) based on a transverse-momentum-dependent (TMD) factorisation scheme. Comparisons with the corresponding results in a collinear twist-3 formalism and in a modified GPM approach are also made. On the experimental side, a selection of the most interesting and recent results from RHIC is presented.
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页数：19
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