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Observation of D0 meson decays to π+π−μ+μ− and K+K−μ+μ− final states

Abstract:

The first observation of the D0→π+π−μ+μ− and D0→K+K−μ+μ− decays is reported using a sample of proton-proton collisions collected by LHCb at a center-of-mass energy of 8 TeV, and corresponding to 2  fb^−1 of integrated luminosity. The corresponding branching fractions are measured using as normalization the decay D0→K−π+[μ+μ−]ρ0/ω, where the two muons are consistent with coming from the decay of a ρ0 or ω meson. The results are B(D0→π+π−μ+μ−)=(9.64±0.48±0.51±0.97)×10^−7 and B(D0→K+K−μ+μ−)=(1.5...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1103/physrevlett.119.181805

Authors


Adinolfi, M More by this author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
119
Issue:
18
Pages:
181805
Publication date:
2017-10-31
Acceptance date:
2017-09-20
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:709886
URN:
uri:feec6b49-7a1b-4279-bd3b-161d9971ffb7
UUID:
uuid:feec6b49-7a1b-4279-bd3b-161d9971ffb7
Local pid:
pubs:709886
Language:
English
Keywords:

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