Constraints on top-color assisted technicolor models from vertex corrections

被引：54

作者：

Loinaz, W ^{[1
]}

Takeuchi, T ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Dept Phys, Inst Particle Phys & Astrophys, Blacksburg, VA 24061 USA

来源：

PHYSICAL REVIEW D | 1999年 / 60卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.60.015005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We use the LEP-SLD data to place constraints on top-color assisted technicolor models. We find that, due to a large negative shift in R-b induced by charged top-pion exchange, it is difficult to make the models compatible with experiment. [S0556-2821(99)01413-7].

引用

页数：8

共 33 条

[1] Precision electroweak constraints on top-color assisted technicolor
Chivukula, RS
Terning, J
PHYSICS LETTERS B, 1996, 385 (1-4) : 209 - 217
[2] Lepton number violation in top-color assisted technicolor
Rador, T
PHYSICAL REVIEW D, 1999, 59 (09)
[3] ISOSPIN BREAKING AND FINE-TUNING IN TOP-COLOR ASSISTED TECHNICOLOR
CHIVUKULA, RS
DOBRESCU, BA
TERNING, J
PHYSICS LETTERS B, 1995, 353 (2-3) : 289 - 294
[4] Rare top decay t→cg in top-color assisted technicolor models -: art. no. 095004
Yue, CX
Lu, GR
Liu, GL
Xu, QJ
PHYSICAL REVIEW D, 2001, 64 (09):
[5] Large-N and vacuum alignment in top-color models
Chivukula, RS
Georgi, H
PHYSICAL REVIEW D, 1998, 58 (07)
[6] Reexamination of the constraint on top-color-assisted technicolor models from Rb -: art. no. 055005
Yue, CX
Kuang, YP
Wang, XL
Li, WB
PHYSICAL REVIEW D, 2000, 62 (05):
[7] Corrections to the Z tau(+)tau(-) vertex in topcolor-assisted technicolor theory
Yue, CX
Kuang, YP
Lu, GR
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1997, 74 (04): : 705 - 707
[8] Corrections to the W(t)over-bar-b coupling in the top-color-assisted multiscale technicolor model
Yue, CX
Kuang, YP
Lu, GR
PHYSICAL REVIEW D, 1997, 56 (01): : 291 - 294
[9] Rare decays of the top quark in the top-color-assisted multiscale technicolor model
Lu, GR
Yue, CX
Huang, JS
PHYSICAL REVIEW D, 1998, 57 (03) : 1755 - 1761
[10] Lepton-flavor violating processes li → ljγ in top color-assisted technicolor models
Yue, CX
Xu, QJ
Liu, GL
COMMUNICATIONS IN THEORETICAL PHYSICS, 2002, 38 (04) : 461 - 464

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