CP violating B decays in the standard model and supersymmetry

被引：92

作者：

Ciuchini, M

Franco, E

Martinelli, G

Masiero, A

Silvestrini, L

机构：

[1] UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS,I-00185 ROME,ITALY

[2] IST NAZL FIS NUCL,SEZ ROMA,I-00185 ROME,ITALY

[3] UNIV PERUGIA,DIPARTIMENTO FIS,I-06100 PERUGIA,ITALY

[4] IST NAZL FIS NUCL,SEZ PERUGIA,I-06100 PERUGIA,ITALY

[5] SISSA,ISAS,I-34014 TRIESTE,ITALY

[6] UNIV ROMA TOR VERGATA,DIPARTIMENTO FIS,I-00133 ROME,ITALY

[7] IST NAZL FIS NUCL,SEZ ROMA 2,I-00133 ROME,ITALY

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.79.978

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the uncertainties of the standard model (SM) predictions for CP violating B decays and investigate where and how supersymmetric (SUSY) contributions may be disentangled. The first task is accomplished by letting the relevant matrix elements of the effective Hamiltonian vary within certain ranges. The SUSY analysis makes use of a formalism which allows one to obtain model-independent results. We show that in some cases it is possible (a) to measure the CP (B) over bar-B (B) over bar mixing phase and (b) to discriminate the SM and SUSY contributions to the CP decay phases. The gold-plated decays in this respect are the B --> phi K-s and B --> K-s pi(0) channels.

引用

页码：978 / 981

页数：4

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