Top quark couplings and polarization

被引：0

作者：

Codispoti, Giuseppe ^{[1
]}

机构：

[1] Dipartimento Fis & Astron, I-40127 Bologna, BO, Italy

来源：

XI INTERNATIONAL CONFERENCE ON HYPERONS, CHARM AND BEAUTY HADRONS (BEACH 2014) | 2014年 / 556卷

关键词：

D O I：

10.1088/1742-6596/556/1/012031

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Precise measurements of top quark couplings are presented. The measurements cover the single top tW cross section, the top-quark branching-fraction ratio R=B(t -> Wb)/B(t -> Wq) and the CKM matrix element V-tb from the single top cross sections. Top quark polarisation in the t-channel single-top quark production and dilepton t (t) over bar, and W-helicity fraction measurements along with searches of top quark anomalous couplings in lepton plus jet channel are also presented. Finally measurements of top quark pair production in association with a W or Z boson or a photon are presented.

引用

页数：5

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