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First observation of the decay $\bar{B}^0_s \to D^0 K^{*0}$ and a measurement of the ratio of branching fractions $\frac{{\cal B}(\bar{B}^0_s \to D^0 K^{*0})}{{\cal B}(\bar{B}^0 \to D^0 ρ^0)}$

Abstract:

The first observation of the decay $\bar{B}^0_s \to D^0 K^{*0}$ using $pp$ data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 pb$^{-1}$, is reported. A signal of $34.4 \pm 6.8$ events is obtained and the absence of signal is rejected with a statistical significance of more than nine standard deviations. The $\bar{B}^0_s \to D^0 K^{*0}$ branching fraction is measured relative to that of $\bar{B}^0 \to D^0 \rho^0$: $\frac{{\c...

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Publication status:
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Authors


Collaboration, L More by this author
Beteta, CA More by this author
Adinolfi, M More by this author
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Journal:
Physics Letters B
Volume:
706
Issue:
1
Pages:
1
Publication date:
2011-10-17
DOI:
ISSN:
0370-2693
URN:
uuid:976352ac-704f-4e49-bdf5-290f8d5b30e5
Source identifiers:
239898
Local pid:
pubs:239898
Keywords:

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