Precise tests of a quark mass texture

被引：28

作者：

Barbieri, R ^{[1
]}

Hall, LJ

Romanino, A

机构：

[1] Scuola Normale Super Pisa, I-56126 Pisa, Italy

[2] Ist Nazl Fis Nucl, Sez Pisa, I-56126 Pisa, Italy

[3] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[4] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

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

来源：

NUCLEAR PHYSICS B | 1999年 / 551卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

flavour; symmetries; masses; mixings;

D O I：

10.1016/S0550-3213(99)00215-1

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：

The relations \V-ub/V-cb\ = (mu/mc)(1/2) and \V-td/Vts\ = (m(d)/m(s))(1/2) between the CKM matrix elements and the quark masses are shown to imply a remarkably precise determination of the CKM unitarity triangle or of the Wolfenstein parameters rho, eta consistent with the data so far, We view this as a clean test of a quark mass texture neatly arising from a hierarchical breaking of a U(2) flavour symmetry. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：93 / 101

页数：9

共 15 条

[1] Predictions from a U(2) flavour symmetry in supersymmetric theories [J].