Measurement of the B-cmeson lifetime in the decay B-c→J/ψπ⁻
Journal Article
·
· Physical Review. D, Particles, Fields, Gravitation and Cosmology
The lifetime of the B-c meson is measured using 272 exclusive B-c→J/ψ(→μ⁺μ⁻)π⁻ decays reconstructed in data from proton-antiproton collisions corresponding to an integrated luminosity of 6.7 fb⁻¹ recorded by the CDF II detector at the Fermilab Tevatron. The lifetime of the B-cmeson is measured to be τ(B-c)=0.452±0.048(stat)±0.027(syst) ps. This is the first measurement of the B-c meson lifetime in a fully reconstructed hadronic channel, and it agrees with previous results and has comparable precision.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1102635
- Journal Information:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology, Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Vol. 87 Journal Issue: 1; ISSN 1550-7998
- Publisher:
- American Physical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 9 works
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