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Angular distributions in the decay B -> K*l(+)l(-)
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(2009) Angular distributions in the decay B -> K*l(+)l(-). Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.79 (No.3). article no. 031102. ISSN 1550-7998 Full text not available from this repository.
Official URL: http://dx.doi.org/10.1103/PhysRevD.79.031102
Abstract
We use a sample of 384 X 10(6) B (B) over bar events collected with the BABAR detector at the PEP-II e(+)e(-) collider to study angular distributions in the rare decays B -> K(*)l(+)l(-), where l(+)l(-) is either e(+)e(-) or mu(+)mu(-). For low dilepton invariant masses, m(ee) < 2.5 GeV/c(2), we measure a lepton forward-backward asymmetry A(FB) = 0.24(-0.23)(+0.18) +/- 0.05 and K* longitudinal polarization F-L = 0.35 +/- 0.16 +/- 0.04. For m(ee) > 3.2 GeV/c(2), we measure A(FB) = 0.76(-0.32)(+0.52) +/- 0.07 F-L = 0.71(-0.22)(+0.20) +/- 0.04.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) |
| Publisher: | American Physical Society |
| ISSN: | 1550-7998 |
| Official Date: | February 2009 |
| Volume: | Vol.79 |
| Number: | No.3 |
| Number of Pages: | 8 |
| Page Range: | article no. 031102 |
| Identification Number: | 10.1103/PhysRevD.79.031102 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), STFC (United Kingdom), Marie Curie EIF (European Union), A. P. Sloan Foundation |
| URI: | http://wrap.warwick.ac.uk/id/eprint/28365 |
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