CPViolatingBDecays in the Standard Model and Supersymmetry | Zendy

M. Ciuchini | Zendy; E. Franco | Zendy; G. Martinelli | Zendy; A. Masiero | Zendy; L. Silvestrini | Zendy

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CPViolatingBDecays in the Standard Model and Supersymmetry

Author(s) -

M. Ciuchini,

E. Franco,

G. Martinelli,

A. Masiero,

L. Silvestrini

Publication year - 1997

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.79.978

Subject(s) - supersymmetry , physics , particle physics , cp violation , hamiltonian (control theory) , formalism (music) , physics beyond the standard model , minimal supersymmetric standard model , mathematics , art , mathematical optimization , musical , visual arts

We study the uncertainties of the Standard Model (SM) predictions for CPviolating B decays and investigate where and how supersymmetric (SUSY)contributions may be disentangled. The first task is accomplished by lettingthe relevant matrix elements of the effective Hamiltonian vary within certainranges. The SUSY analysis makes use of a formalism which allows to obtainmodel-independent results. We show that in some cases it is possible a) tomeasure the CP B-\bar{B} mixing phase and b) to discriminate the SM and SUSYcontributions to the CP decay phases. The golden-plated decays to this purposeare the B \to \phi K_S and B \to K_S \pi^0 channels.Comment: 8 pages, LaTe

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