BOUNDS ON VECTOR LEPTOQUARKS

被引：86

作者：

LEURER, M

机构：

[1] Department of Particle Physics, Weizmann Institute

来源：

PHYSICAL REVIEW D | 1994年 / 50卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.50.536

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We derive bounds on vector leptoquarks coupling to the first generation, using data from low energy experiments as well as from high energy accelerators. Similarly to the case of scalar leptoquarks, we find that the strongest indirect bounds arise from atomic parity violation and universality in leptonic ir decays. These bounds are considerably stronger than the first direct bounds of the DESY ep collider HERA, restricting vector leptoquarks that couple with electromagnetic strength to right-handed quarks to lie above 430 GeV or 460 GeV, and leptoquarks that couple with electromagnetic strength to left-handed quarks to lie above 1.3 TeV, 1.2 TeV, and 1.5 TeV for the SU(2)W singlet, doublet, and triplet, respectively.

引用

页码：536 / 541

页数：6

共 40 条

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