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Model-independent measurement of mixing parameters in $D^0 \to K_S π^+π^-$ decays

Abstract:
The first model-independent measurement of the charm mixing parameters in the decay $D^0 \to K_S \pi^+ \pi^-$ is reported, using a sample of $pp$ collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 1.0 fb$^{-1}$ at a centre-of-mass energy of 7 TeV. The measured values are \begin{eqnarray*} x and=and (-0.86 \pm 0.53 \pm 0.17) \times 10^{-2}, \\ y and=and (+0.03 \pm 0.46 \pm 0.13) \times 10^{-2}, \end{eqnarray*} where the first uncertainties are statistical and include small contributions due to the external input for the strong phase measured by the CLEO collaboration, and the second uncertainties are systematic.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1007/JHEP04(2016)033

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author


Publisher:
Springer Verlag
Journal:
Journal of High Energy Physics More from this journal
Volume:
04
Issue:
4
Pages:
033
Publication date:
2016-04-06
Acceptance date:
2016-03-02
DOI:
EISSN:
1029-8479
ISSN:
1029-8479


Keywords:
Pubs id:
pubs:569811
UUID:
uuid:e184a3ea-9d29-4924-8671-39f13d7b7f7d
Local pid:
pubs:569811
Source identifiers:
569811
Deposit date:
2016-06-07

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