Angular and Isospin Asymmetries in the Decays B->K(*)l+l-

Details Angular and Isospin Asymmetries in the Decays B->K(*)l+l- Angular and Isospin Asymmetries in the Decays B->K(*)l+l-

Publishing date

2008-10-05

URL

arxiv.org/abs/0810.0837v2

Science

Physics

Field

High Energy Physics

SubField

High Energy Physics - Experiment

Additional info

6 pages, 3 eps figures, Parallel talk at ICHEP08, Philadelphia, USA, July 2008; revised fig 1(a), added fig 2, updated citatio

Type

Scientific paper

Abstract

We use a sample of 384 million BBbar decays collected with the Babar detector at the PEP-II asymmetric e+e- storage ring to study the flavor-changing neutral current decays B->K(*)l+l-, where l+l- is either e+e- or mu+mu-. We present measurements in two dilepton mass bins, one below the J/psi resonance and the other above, of the lepton forward-backward asymmetry AFB and the longitudinal K* polarization FL in B->K*l+l-, along with isospin rate asymmetries in B->K*l+l- and B->Kl+l- final states.

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