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First observation of a baryonic Bc+ decay.

Abstract:

A baryonic decay of the B(c)(+) meson, B(c)(+) → J/ψppπ(+), is observed for the first time, with a significance of 7.3 standard deviations, in pp collision data collected with the LHCb detector and corresponding to an integrated luminosity of 3.0 fb(-1) taken at center-of-mass energies of 7 and 8 TeV. With the B(c)(+) → J/ψπ(+) decay as the normalization channel, the ratio of branching fractions is measured to be B(B(c)(+) → J/ψppπ(+))/B(B(c)(+) → J/ψπ(+)) = 0.143(-0.034)(+0.039)(stat) ± 0.01...

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Publication status:
Published

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Publisher:
American Physical Society
Journal:
Physical Review Letters More from this journal
Volume:
113
Issue:
15
Pages:
152003
Publication date:
2014-10-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:480000
UUID:
uuid:6b373240-3eb4-428b-a56b-3413b4987a36
Local pid:
pubs:480000
Source identifiers:
480000
Deposit date:
2014-12-11

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