Precision test of a Fermion mass texture

被引：118

作者：

Roberts, RG ^{[1
]}

Romanino, A

Ross, GG

Velasco-Sevilla, L

机构：

[1] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[2] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[3] Univ Oxford, Dept Phys, Oxford OX1 3NP, England

来源：

NUCLEAR PHYSICS B | 2001年 / 615卷 / 1-3期

关键词：

D O I：

10.1016/S0550-3213(01)00408-4

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Texture zeros in the quark Yukawa matrices generally lead to precise and simple expressions for CKM matrix elements in terms of ratios of quark masses. Using the new data on b-decays we test a particularly promising texture zero solution and show that it is at best approximate. We analyse the approximate texture zero structure and show it is consistent with experiment. We investigate the implications for the CKM unitarity triangle, measurements at BaBar and BELLE as well as for the theories which invoke family symmetries. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：358 / 384

页数：27

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