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Observation of B+→J/ψ3π+2π− and B+→ψ(2S)π+π+π− decays.

Abstract:
The decays B+→J/ψ3π+2π− and B+→ψ(2S)π+π+π− are observed for the first time using a data sample corresponding to an integrated luminosity of 3.0 fb^-1, collected by the LHCb experiment in proton-proton collisions at the centre-of-mass energies of 7 and 8TeV. The branching fractions relative to that of B+→ψ(2S)K+ are measured to be B(B+ → J/ ψ3π+2π−)/B(B+ → ψ (2S)K+) = (1.88±0.17±0.09)×10^−2, B(B+ → ψ (2S)π+π+π−)/B(B+ → ψ (2S)K+) = (3.04±0.50±0.26)×10^−2,where the first uncertainties are statistical and the second are systematic.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1140/epjc/s10052-017-4610-6

Authors


Adinolfi, M More by this author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Brazilian National Council for Scientific and Technological Development More from this funder
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro More from this funder
Brazilian Funding Authority for Studies and Projects More from this funder
Ministry of Science and Technology of the People’s Republic of China More from this funder
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Publisher:
Springer Publisher's website
Journal:
European Physical Journal C, Particles and Fields Journal website
Volume:
77
Issue:
2
Pages:
72
Publication date:
2017-02-05
Acceptance date:
2017-01-07
DOI:
EISSN:
1434-6052
ISSN:
1434-6044
Pubs id:
pubs:648388
URN:
uri:99c94b74-88c7-4a94-bc72-0a9b60076da1
UUID:
uuid:99c94b74-88c7-4a94-bc72-0a9b60076da1
Local pid:
pubs:648388
Language:
English
Keywords:

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