Single top quarks at the Fermilab Tevatron

被引：108

作者：

Heinson, AP ^{[1
]}

Belyaev, AS ^{[1
]}

Boos, EE ^{[1
]}

机构：

[1] MOSCOW MV LOMONOSOV STATE UNIV,INST NUCL PHYS,RU-119899 MOSCOW,RUSSIA

来源：

PHYSICAL REVIEW D | 1997年 / 56卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.56.3114

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a calculation of the single top quark cross section for proton-antiproton interactions with root s = 1.8 TeV at the Fermilab Tevatron collider. We examine the effects of the top quark mass, parton distribution functions, QCD scale, and collision energy, on each of the component production mechanisms, and study the kinematic distributions for standard model electroweak production. At the upgraded Tevatron with root s = 2.0 TeV and high luminosity, it will be possible to test the nature of the Wtb coupling using single top quark production. We estimate the sensitivity to measure the single top quark cross section, and thus to directly measure V-tb and the top quark partial width. We show what happens to the V-tb measurement when an anomalous (V+A) component is added to the Wtb coupling, and how the top quark polarization affects the kinematic distributions.

引用

页码：3114 / 3128

页数：15

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