TIMELIKE COMPTON SCATTERING AT LHC

被引：0
|
作者：
Pire, B. [1 ]
Szymanowski, L. [2 ]
Wagner, J. [2 ]
机构：
[1] Ecole Polytech, CNRS, CPHT, F-91128 Palaiseau, France
[2] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland
来源：
INTERNATIONAL MEETING: EXCITED QCD | 2009年 / 2卷 / 02期
关键词：
EXCLUSIVE PHOTOPRODUCTION; LEPTON PAIRS;
D O I：
暂无
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Exclusive photoproduction of dileptons, gamma N --> l(+)l(-)N, is and will be measured in ultraperipheral collisions at hadron colliders. We demonstrate that the timelike deeply virtual Compton scattering (TCS) mechanism gamma q --> l(+)l(-)q, where the lepton pair comes from the subprocess gamma q --> gamma*q, dominates in some accessible kinematical regions, thus opening a new way to study generalized parton distributions in the nucleon at small skewedness.
引用
收藏
页码：373 / +
页数：2
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