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Observation and Properties of L=1 B_1 and B_2* Mesons

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arxiv 0705.3229 v1 pith:M7OQ3WAK submitted 2007-05-22 hep-ex

D0 Collaboration , V. Abazov , et al This is my paper · ORCID
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keywords massmesonsproductionratedecaysdeltamdetermineddifference
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Excited B mesons B_1 and B_2* are observed directly for the first time as two separate states in fully reconstructed decays to B+(*) pi-. The mass of B_1 is measured to be (5720.6 +- 2.4 +- 1.4) MeV/c^2 and the mass difference DeltaM between B_2* and B_1 is (26.2 +- 3.1 +- 0.9) MeV/c^2, giving the mass of the B_2* as (5746.8 +- 2.4 +- 1.7) MeV/c^2. The production rate for B_1 and B_2* mesons is determined to be a fraction (13.9 +- 1.9 +- 3.2)% of the production rate of the B+ meson.

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  1. Radially Excited Bottom Mesons in Heavy Quark Effective Theory

    hep-ph 2025-06 conditional novelty 3.0 of 10

    HQET flavor symmetry is used to predict n=3 bottom and bottom-strange meson masses, their strong decay widths in terms of couplings, coupling upper bounds, and n=4 Regge extrapolations.

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