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Observation of B[superscript +][subscript c] → J=ψD(*) K(*) decays

Author(s)
Boettcher, Thomas Julian; Ilten, Philip J; Williams, Michael
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Abstract
A search for the decays B[superscript +][subscript c] →J/ψD(*)[superscritp 0]K+ and B[superscript +][subscript c]→J/ψD(*)[superscript +]K[superscript *0] is performed with data collected at the LHCb experiment corresponding to an integrated luminosity of 3 fb[superscript -1]. The decays B[superscript +][subscript c]→J/ψD[superscript 0]K[superscript +] and B[superscript +][subscript c]→J/ψD[superscript ∗0]K][superscript +] are observed for the first time, while first evidence is reported for the B[superscript +][subscript c] →J/ψD[superscript ∗+]K[superscript ∗0] and B[superscript +][subscrip c]→J/ψD[superscript +]K[superscript ∗0] decays. The branching fractions of these decays are determined relative to the B[superscript +][subscript c]→J/ψπ[superscript +] decay. The B[superscript +][subscript c] mass is measured, using the J/ψD[superscript 0]K[superscript +] final state, to be 6274.28 ± 1.40(stat) ± 0.32(syst) MeV/c[superscript 2]. This is the most precise single measurement of the B[superscript +][subscript c] mass to date.
Date issued
2017-02
URI
http://hdl.handle.net/1721.1/120304
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society (APS)
Citation
Aaij, R., B. Adeva, M. Adinolfi, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, et al. “Observation of B[superscript +][subscript c] → J=ψD(*) K(*) decays.” Physical Review D 95, no. 3 (February 21, 2017). © 2017 CERN.
Version: Final published version
ISSN
2470-0010
2470-0029

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