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Measurement of the effective B s 0→K +K - lifetime

Abstract:

A precise determination of the effective B s 0→K +K - lifetime can be used to constrain contributions from physics beyond the Standard Model in the Bs0 meson system. Conventional approaches select B meson decay products that are significantly displaced from the B meson production vertex. As a consequence, B mesons with low decay times are suppressed, introducing a bias to the decay time spectrum which must be corrected. This analysis uses a technique that explicitly avoids a lifetime bias by ...

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Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume:
716
Issue:
3-5
Pages:
393-400
Publication date:
2012-10-02
DOI:
ISSN:
0370-2693
URN:
uuid:beebceb4-b305-4d0a-b897-49d79d15f90a
Source identifiers:
352677
Local pid:
pubs:352677

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