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Search for the X(4140) state in B +→J/ψφK + decays

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Aaij, R., Abellan Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M. et al.
. (2012) Search for the X(4140) state in B +→J/ψφK + decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.85 (No.9). article no. 091103. ISSN 1550-7998

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Abstract

A search for the X(4140) state in B +→J/ψφK + decays is performed with 0.37fb -1 of pp collisions at √s=7TeV collected by the LHCb experiment. No evidence for this state is found, in 2.4σ disagreement with a measurement by CDF. An upper limit on its production rate is set, B(B +→X(4140)K +) ×B(X(4140)→J/ψφ)/B(B +→J/ψφK +)<0.07 at 90% confidence level. © 2012 CERN.

Item Type: Journal Article
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: 4 May 2012
Volume: Vol.85
Number: No.9
Page Range: article no. 091103
Identification Number: 10.1103/PhysRevD.85.091103
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
URI: http://wrap.warwick.ac.uk/id/eprint/50294

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