Journal
PHYSICAL REVIEW D
Volume 87, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.032004
Keywords
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Funding
- SLAC
- US Department of Energy
- 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
- Ministry of Education and Science of the Russian Federation
- Ministerio de Ciencia e Innovacion (Spain)
- Science and Technology Facilities Council (United Kingdom)
- Marie-Curie IEF program (European Union)
- A. P. Sloan Foundation (USA)
- Binational Science Foundation (USA-Israel)
- STFC [PP/E000460/1, ST/K000748/1, ST/H001085/1, ST/H001085/2, ST/J005568/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K001418/1] Funding Source: researchfish
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We present a measurement of the B+ -> omega l(+)nu branching fraction based on a sample of 467 million B (B) over bar pairs recorded by the BABAR detector at the SLAC PEP-II e(+)e(-) collider. We observe 1125 +/- 131 signal decays, corresponding to a branching fraction of B(B+ -> omega l(+)nu) = (1.21 +/- 0.14 +/- 0.08) x 10(-4), where the first error is statistical and the second is systematic. The dependence of the decay rate on q(2), the invariant mass squared of the leptons, is compared to QCD predictions of the form factors based on a quark model and light-cone sum rules. DOI: 10.1103/PhysRevD.87.032004
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