Effects of lepton number violating interactions on t(t)over-bar production at the Next Linear Collider -: art. no. 054019

被引：5
|
作者：
Datta, A [1 ]
机构：
[1] Harish Chandra Res Inst, Allahabad 211019, Uttar Pradesh, India
来源：
PHYSICAL REVIEW D | 2002年 / 65卷 / 05期
关键词：
D O I：
10.1103/PhysRevD.65.054019
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We discuss the effects of lepton number violating interactions, namely, R-parity violation and leptoquarks, on top-quark pair production at the upcoming e(+) e(-) linear colliders. The effects of SU(2) singlet, doublet, and triplet leptoquark interactions are investigated. The R-parity violating minimal supersymmetric standard model also allows certain kinds of lepton number violating interactions which are the same as singlet leptoquarks with left-handed interactions. We have calculated the cross ssection of e(+) e(-) --> t (t) over bar in the presence of the above interactions. With conservative values of lepton number violating coupling strengths we get an enhancement of the top-quark pair production cross section in all of the above cases.
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页数：7
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