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Observation of the B(c) Meson in the Exclusive Decay B(c)→J/ψπ

Baringer, Philip S.
Bean, Alice
Hensel, Carsten
Moulik, Tania
Wilson, Graham Wallace
Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
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Abstract
A fully reconstructed B(c)→J/ψπ signal is observed with the D0 detector at the Fermilab Tevatron pp-bar collider using 1.3  fb(−1) of integrated luminosity. The signal consists of 54±12 candidates with a significance that exceeds 5 standard deviations, and confirms earlier observations of this decay. The measured mass of the B(c) meson is 6300±14(stat)±5(syst)  MeV/c(2).
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.101.012001.
Date
2008-07-02
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American Physical Society
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M. Abazov et al. (D0 Collaboration). (2008). "Observation of the B(c) Meson in the Exclusive Decay B(c)→J/ψπ." Physical Review Letters, 101(1):012001. http://dx.doi.org/10.1103/PhysRevLett.101.012001
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