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Effective lifetime measurements in the $B_{s}^{0} \rightarrow K^{+}K^{-}$, $B^{0} \rightarrow K^{+}π^{-}$ and $B_{s}^{0} \rightarrow π^{+}K^{-}$ decays

Abstract:

Measurements of the effective lifetimes in the $B_{s}^{0} \rightarrow K^{+}K^{-}$, $B^{0} \rightarrow K^{+}\pi^{-}$ and $B_{s}^{0} \rightarrow \pi^{+}K^{-}$ decays are presented using $1.0~\mathrm{fb^{-1}}$ of $pp$ collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. The measured effective lifetimes are $\tau_{B_{s}^{0} \rightarrow K^{+}K^{-}}$ = $1.407~\pm~0.016~\pm~0.007~\mat...

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Publication status:
Published

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Publisher:
Elsevier
Journal:
Phys.Lett.B More from this journal
Volume:
736
Pages:
446-454
Publication date:
2014-06-27
DOI:
ISSN:
0370-2693
Language:
English
Keywords:
Pubs id:
pubs:472186
UUID:
uuid:d2ed72c9-429a-4d19-877e-81659cd68814
Local pid:
pubs:472186
Source identifiers:
472186
Deposit date:
2014-10-18

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