Search for B^+ meson decay to a_(1)^(+)(1260)K^(*0)(892)

Creators: del Amo Sanchez, P.; Cheng, C. H.; Doll, D. A.; Echenard, B.; Hitlin, D. G.; Ongmongkolkul, P.; Porter, F. C.; Rakitin, A. Y.; BaBar Collaboration

Abstract

We present a search for the decay B^+ → a_(1)^(+)(1260)K^(*0)(892). The data, collected with the BABAR detector at the SLAC National Accelerator Laboratory, represent 465 × 10^(6)BB(overbar) pairs produced in e^(+)e^(-) annihilation at the energy of the Υ(4S). We find no significant signal and set an upper limit at 90% confidence level on the product of branching fractions B(B^(+) → a_(1)^(+)(1260)K^(*0)(892)) × B(a_(1)^(+)(1260) → π^(+)π^(-)π^(+)) of 1.8 × 10^(-6).

Additional Information

© 2010 American Physical Society. Received 19 July 2010; published 3 November 2010. We are grateful for the extraordinary contributions of our PEP-II colleagues in achieving the excellent luminosity and machine conditions that have made this work possible. The success of this project also relies critically on the expertise and dedication of the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and the kind hospitality extended to them. This work is supported by the U.S. Department of Energy and National Science Foundation, the Natural Sciences and Engineering Research Council (Canada), the Commissariat à l'Energie Atomique and Institut National de Physique Nucléaire et de Physique des Particules (France), the Bundesministerium für Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany), the Istituto Nazionale di Fisica Nucleare (Italy), the Foundation for Fundamental Research on Matter (The Netherlands), the Research Council of Norway, the Ministry of Education and Science of the Russian Federation, Ministerio de Ciencia e Innovaciόn (Spain), and the Science and Technology Facilities Council (United Kingdom). Individuals have received support from the Marie-Curie IEF program (European Union), the A. P. Sloan Foundation (USA) and the Binational Science Foundation (USA-Israel).

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