Journal
PHYSICAL REVIEW D
Volume 93, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.93.052015
Keywords
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Funding
- U.S. Department of Energy (Canada)
- National Science Foundation (Canada)
- Natural Sciences and Engineering Research Council (Canada)
- Commissariat a l'Energie Atomique (France)
- Institut National de Physique Nucleaire et de Physique des Particules (France)
- Bundesministerium fur Bildung und Forschung (Germany)
- Deutsche Forschungsgemeinschaft (Germany)
- Istituto Nazionale di Fisica Nucleare (Italy)
- Foundation for Fundamental Research on Matter (The Netherlands)
- Research Council of Norway (Spain)
- Ministry of Education and Science of the Russian Federation
- Ministerio de Economia y Competitividad (Spain)
- Science and Technology Facilities Council (United Kingdom)
- Binational Science Foundation (U.S.-Israel)
- Marie-Curie IEF program (European Union)
- A. P. Sloan Foundation (USA)
- Division Of Physics
- Direct For Mathematical & Physical Scien [1404070, 1505719] Funding Source: National Science Foundation
- STFC [ST/N000420/1] Funding Source: UKRI
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We study the lepton forward-backward asymmetry AFB and the longitudinal K* polarization F-L, as well as an observable P-2 derived from them, in the rare decays B -> K*l(+)l(-), where l(+)l(-) is either e(+)e(-) or mu(+)mu(-), using the full sample of 471 million B (B) over bar events collected at the Upsilon(4S) resonance with the BABAR, detector at the PEP-II e(+)e(-) collider. We separately fit and report results for the K*(0)(892)l(+)l(-) and K*(+)(892) l(+)l(-) final states, as well as their combination K*l(+)l(-), in five disjoint dilepton mass-squared bins. An angular analysis of B+ -> K*(+)l(+)l(-) decays is presented here for the first time.
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