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Search for B -> K-*nu(nu)overbar decays

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BABAR Collaboration (Including:

Aubert, B., Bona, M., Karyotakis, Y., Lees, J. P., Poireau, V., Prencipe, E., Prudent, X., Tisserand, V., Tico, J. Garra, Grauges, E. et al.
). (2008) Search for B -> K-*nu(nu)overbar decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.78 (No.7). article no.072007 . ISSN 1550-7998

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Abstract

We present a search for the decays B -> K-*nu(nu)overbar using 454x10(6)B(B)overbar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II B-Factory. We first select an event sample where one B is reconstructed in a semileptonic or hadronic mode with one charmed meson. The remaining particles in the event are then examined to search for a B -> K-*nu(nu)overbar decay. The charged K-* is reconstructed as K*+-> K-S(0)pi(+) or K*+-> K+pi(0); the neutral K-* is identified in K-*0 -> K+pi(-) mode. We establish upper limits at 90% confidence level of B(B+-> K*+nu(nu)overbar>)< 8x10(-5), B(B-0 -> K-*0 nu(nu)overbar)< 12x10(-5), and B(B -> K-*nu(nu)overbar)< 8x10(-5).

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
Date: October 2008
Volume: Vol.78
Number: No.7
Number of Pages: 11
Page Range: article no.072007
Identification Number: 10.1103/PhysRevD.78.072007
Status: Peer Reviewed
Publication Status: Published
Funder: US Department of Energy and National Science Foundation, Natural Sciences and Engineering Research Council ( Canada), Commissariat a` l'Energie Atomique and Institut National de Physique Nucleaire et de Physique des Particules ( France), Bundesministerium fur Bildung und Forschung and 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 Educacion y Ciencia ( Spain), Science and Technology Facilities Council ( United Kingdom)., Marie-Curie IEF program ( European Union), A.P. Sloan Foundation
URI: http://wrap.warwick.ac.uk/id/eprint/29056

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