The effective lifetime of the anti-Bs0 meson in the decay mode anti-Bs0 -> J/Psi f0(980) is measured using 1.0 fb-1 of data collected in pp collisions at sqrt(s)=7 TeV with the LHCb detector. The result is 1.700+-0.040+-0.026 ps, where the first uncertainty is statistical and the second systematic. As the final state is CP-odd, and CP violation in this mode is measured to be small, the lifetime measurement can be translated into a measurement of the decay width of the heavy anti-Bs0 mass eigenstate GammaH=0.588+-0.014+-0.009 ps-1.

Measurement of the B̄s0 effective lifetime in the J/ψf 0(980) final state / R., A., C., A.B., A., A., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., S., A., G., A., P., A.C., A., A., S., A., Y., A., L., A., J., A., R., A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 109:15(2012), pp. 152002-1-152002-8. [10.1103/PhysRevLett.109.152002]

Measurement of the B̄s0 effective lifetime in the J/ψf 0(980) final state

BIZZETI, Andrea;
2012

Abstract

The effective lifetime of the anti-Bs0 meson in the decay mode anti-Bs0 -> J/Psi f0(980) is measured using 1.0 fb-1 of data collected in pp collisions at sqrt(s)=7 TeV with the LHCb detector. The result is 1.700+-0.040+-0.026 ps, where the first uncertainty is statistical and the second systematic. As the final state is CP-odd, and CP violation in this mode is measured to be small, the lifetime measurement can be translated into a measurement of the decay width of the heavy anti-Bs0 mass eigenstate GammaH=0.588+-0.014+-0.009 ps-1.
2012
109
15
152002-1
152002-8
Measurement of the B̄s0 effective lifetime in the J/ψf 0(980) final state / R., A., C., A.B., A., A., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., S., A., G., A., P., A.C., A., A., S., A., Y., A., L., A., J., A., R., A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 109:15(2012), pp. 152002-1-152002-8. [10.1103/PhysRevLett.109.152002]
R., Aaij; C., Abellan Beteta; A., Adametz; B., Adeva; M., Adinolfi; C., Adrover; A., Affolder; Z., Ajaltouni; J., Albrecht; F., Alessio; M., Alexander...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/812738
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