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Observation of B+ → J/ ψ3π+2π− and B+ → ψ (2S)π+π+π− decays
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LHCb Collaboration (Including: Back, J. J., Blake, Thomas, Costa Sobral, Cayo, Crocombe, Andrew, Gershon, T. J., Kreps, Michal, Latham, Thomas, Loh, David, Mathad, Abhijit , O'Hanlon, Daniel P., Poluektov, Anton and Wallace, Charlotte). (2017) Observation of B+ → J/ ψ3π+2π− and B+ → ψ (2S)π+π+π− decays. The European Physical Journal C, 77 (72). doi:10.1140/epjc/s10052-017-4610-6 ISSN 1434-6044.
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Official URL: http://dx.doi.org/10.1140/epjc/s10052-017-4610-6
Abstract
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 8 TeV. 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.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
Journal or Publication Title: | The European Physical Journal C | ||||||
Publisher: | Springer | ||||||
ISSN: | 1434-6044 | ||||||
Official Date: | 6 February 2017 | ||||||
Dates: |
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Volume: | 77 | ||||||
Number: | 72 | ||||||
DOI: | 10.1140/epjc/s10052-017-4610-6 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) |
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