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Observation and Properties of the Orbitally Excited B*(s2) Meson

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
We report the direct observation of the excited L=1 state B*(s2) in fully reconstructed decays to B(+)K(−). The mass of the B*(s2) meson is measured to be 5839.6±1.1(stat)±0.7(syst)  MeV/c(2), and its production rate relative to the B(+) meson is measured to be [1.15±0.23(stat)±0.13(syst)]%.
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.100.082002.
Date
2008-02-28
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American Physical Society
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V. M. Abazov et al. (D0 Collaboration). (2008). "Observation and Properties of the Orbitally Excited B*(s2) Meson." Physical Review Letters, 100(8):082002. http://dx.doi.org/10.1103/PhysRevLett.100.082002.
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