Radiative B-decay as a test of CKM unitarity

Bhattacharyya, Gautam ; Branco, Gustavo C. ; Choudhury, Debajyoti (1994) Radiative B-decay as a test of CKM unitarity Physics Letters B, 336 (3-4). pp. 487-493. ISSN 0370-2693

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0370-2693(94)90562-2

Abstract

We point out that R ≡ Br(b→dγ)/Br(b →sγ) is a sensitive probe of possible violation of CKM unitarity. We compute R in a minimal extension of the Standard Model containing an additional isosinglet charge (-⅓) quark, which leads to a deviation from CKM unitarity.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:74728
Deposited On:19 Dec 2011 06:26
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