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Measurement of the Bs0 Lifetime in Fully and Partially Reconstructed Bs0?Ds-(?p-)X Decays in p¯ p Collisions at vs=1.96??TeV

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posted on 2023-06-08, 15:31 authored by T Aaltonen, Alessandro CerriAlessandro Cerri, The CDF Collaboration
We present a measurement of the Bs0 lifetime in fully vand partially reconstructed Bs0 ? Ds-(fp-)X decays in 1.3 fb-1 collected in pp collisions at s = 1.96 TeV by the CDF II de- tector at the Fermilab Tevatron. We measure t(Bs0) = 1.518 ± 0.041 (stat.) ± 0.027 (syst.) ps. The ratio of this result and the world average B0 lifetime yields t(Bs0)/t(B0) = 0.99 ± 0.03, which is in agreement with recent theoretical predictions.

History

Publication status

  • Published

File Version

  • Submitted version

Journal

Physical Review Letters

ISSN

0031-9007

Publisher

American Physical Society

Issue

27

Volume

107

Page range

272001-272008

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2013-08-19

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