Observation of charmless baryonic decays B0(s)→pp [bar]h+h'−
Decays of B0 and B0s mesons to the charmless baryonic final states p¯ph+h'−, where h and h′ each denote a kaon or a pion, are searched for using the LHCb detector. The analysis is based on a sample of proton-proton collision data collected at center-of-mass energies of 7 and 8 TeV, correspondin...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
27 September 2017
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| In: |
Physical review
Year: 2017, Jahrgang: 96, Heft: 5 |
| ISSN: | 2470-0029 |
| DOI: | 10.1103/PhysRevD.96.051103 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.96.051103 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.96.051103 |
| Verfasserangaben: | R. Aaij et al.* (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Observation of charmless baryonic decays B0(s)→pp [bar]h+h'− |c R. Aaij et al.* (LHCb Collaboration) |
| 246 | 3 | 3 | |a Observation of charmless baryonic decays B 0 (s) into pp bar h plus h prime minus |
| 264 | 1 | |c 27 September 2017 | |
| 300 | |a 10 | ||
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| 500 | |a The LHCb Collaboration: R. Aaij, P. d’Argent, S. Bachmann, S. Braun, M. Comerma-Montells, M. De Cian, M. Dziewiecki, S. Esen, D. Gerick, E. Gersabeck, X. Han, S. Hansmann-Menzemer, M. Kecke, B. Khanji, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, M. Neuner, T. Nikodem, A. Piucci, M. Stahl, S. Stemmle, U. Uwer, M. Vesterinen, A. Zhelezov [und weitere] | ||
| 500 | |a Im Titel sind "0" und "(s)" übereinander geschrieben, wobei "0" oben und "(s)" unten steht | ||
| 500 | |a Im Titel steht der zweite Buchstabe p mit einem Oberstrich und nach "h" ein Strich | ||
| 500 | |a Gesehen am 28.08.2018 | ||
| 520 | |a Decays of B0 and B0s mesons to the charmless baryonic final states p¯ph+h'−, where h and h′ each denote a kaon or a pion, are searched for using the LHCb detector. The analysis is based on a sample of proton-proton collision data collected at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb−1. Four-body charmless baryonic B0s decays are observed for the first time. The decays B0s→p¯pK+K−, B0s→p¯pK±π∓, B0→p¯pK±π∓ and B0→p¯pπ+π− are observed with a significance greater than 5 standard deviations; evidence at 4.1 standard deviations is found for the B0→p¯pK+K− decay and an upper limit is set on the branching fraction for B0s→p¯pπ+π−. Branching fractions in the kinematic region m(p¯p)<2850 MeV/c2 are measured relative to the B0→J/ψ(→p¯p)K∗(892)0 channel. | ||
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