Search for anomalous couplings via single top quark production in association with a photon at LHC

被引：12
|
作者：
Guo, Yu-Chen [1 ]
Yue, Chong-Xing [1 ]
Yang, Shuo [2 ]
机构：
[1] Liaoning Normal Univ, Dept Phys, Dalian 116029, Peoples R China
[2] Dalian Univ, Phys Dept, Dalian 116622, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2016年 / 76卷 / 11期
基金：
中国国家自然科学基金;
关键词：
TQ-GAMMA COUPLINGS; DECAYS; PHYSICS;
D O I：
10.1140/epjc/s10052-016-4452-7
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：
Considering the experimental constraints given by the CMS collaboration at root s = 8 TeV on the strength of top quark flavour-changing neutral-current couplings tq. and tqg, we investigate the production of top quark in association with a photon and carry out a full simulation for the signals l nu b gamma. and jjb gamma. at 14 TeV LHC. In our numerical analysis, the contributions of single top production with a photon radiation off the top decay products are also included. The discovery potential for anomalous couplings tq. and tqg with an integrated luminosity of 100 fb(-1) is examined in detail.
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页数：10
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