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Journal article

First observation of the decay D0 → K−π+μ+μ− in the ρ0–ω region of the dimuon mass spectrum

Abstract:

.A study of the decay D0 → K-π+μ+μ-is performed using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 2.0 fb^-1. Decay candidates with muon pairs that have an invariant mass in the range 675-875 MeV/c2 are considered. This region is dominated by the ρ0 and ω resonances. The branching fraction in this range is measured to B(D0 → K-π+μ+μ-) = (4.17 ± 0.12(stat) ± 0.40(syst))×10^-6. This is the first...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.physletb.2016.04.029

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
Expand authors...
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Brazilian National Council for Scientific and Technological Development More from this funder
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro More from this funder
Brazilian Funding Authority for Studies and Projects More from this funder
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Publisher:
Elsevier Publisher's website
Journal:
Physics Letters B Journal website
Volume:
757
Pages:
558-567
Publication date:
2016-04-01
Acceptance date:
2016-04-14
DOI:
ISSN:
0370-2693
Source identifiers:
572430
Keywords:
Pubs id:
pubs:572430
UUID:
uuid:36e6fbfd-c58e-481f-a1f6-53f17bdfc83b
Local pid:
pubs:572430
Deposit date:
2016-11-02

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