Z→(b)over-bar-b decay asymmetry:: Lose-lose for the standard model -: art. no. 231802

被引:71
作者
Chanowitz, MS [1 ]
机构
[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Theoret Phys Grp, Berkeley, CA 94720 USA
关键词
D O I
10.1103/PhysRevLett.87.231802
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Combining precision measurements and the Higgs boson search limit, the electroweak data have evolved to a point where new physics is favored whether the 3.2 sigma A(FB)(b) anomaly is genuine or not. Such new physics could greatly alter the inferred value of the Higgs boson mass.
引用
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页码:231802 / 1
页数:4
相关论文
共 11 条
[1]   ZFITTER v.6.21:: A semi-analytical program for fermion pair production in e+e- annihilation [J].
Bardin, D ;
Bilenky, M ;
Christova, P ;
Jack, M ;
Kalinovskaya, L ;
Olchevski, A ;
Riemann, S ;
Riemann, T .
COMPUTER PHYSICS COMMUNICATIONS, 2001, 133 (2-3) :229-395
[2]  
BURKHARDT H, IN PRESS PHYS LETT B
[3]   Higgs boson mass constraints from precision data and direct searches [J].
Chanowitz, MS .
PHYSICAL REVIEW D, 1999, 59 (07)
[4]   New results on the hadronic contributions to α(MZ2) and to (g-2)μ [J].
Davier, M ;
Hocker, A .
PHYSICS LETTERS B, 1998, 435 (3-4) :427-440
[5]  
JEGERLEHNER F, HEPPH0104304
[6]   A perturbation theory driven analysis of the effective QED coupling at MZ [J].
Kuhn, JH ;
Steinhauser, M .
PHYSICS LETTERS B, 1998, 437 (3-4) :425-431
[7]  
Martin AD, 2001, EUR PHYS J C, V19, P681, DOI 10.1007/s100520100598
[8]  
MARTIN AD, IPPP0015
[9]  
MARTIN AD, DTP0084
[10]  
MELE S, 2001, IN PRESS P EPS HEP 2