Model Independent Methods for Determining B(Y(5S)->Bs^{(*)} anti-B}_s^{(*)})$

Details Model Independent Methods for Determining B(Y(5S)->Bs^{(*)} anti-B}_s^{(*)})$ Model Independent Methods for Determining B(Y(5S)->Bs^{(*)} anti-B}_s^{(*)})$

2006-04-24

arxiv.org/abs/hep-ph/0604201v4

Phys.Rev.D74:031501,2006, erratum Phys.Rev.D 80:039901(E) (2009)

Physics

High Energy Physics

High Energy Physics - Phenomenology

Updated version #4 includes corrections that are documented in an erratum to be published in PRD. (V3 is the published version

Scientific paper

10.1103/PhysRevD.74.031501, 10.1

We describe a method that provides a model independent measurement of the Bs
fraction in Y(5S) resonance decays, fs, using the relative rates of like-sign
versus opposite sign dileptons; the like-sign leptons result from B^0 and Bs
mixing. In addition, we show that determining the rates of single, double and
triple Ds mesons provides an alternative way of finding fs.

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