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Title: First observation of the decay D0→ K−π+µ+µ− in the ρ0-ω region of the dimuon mass spectrum
Author: LHCb Collaboration
Garrido Beltrán, Lluís
Gascón Fora, David
Graciani Díaz, Ricardo
Graugés Pous, Eugeni
Marin Benito, Carla
Picatoste Olloqui, Eduardo
Rives Molina, Vicente José
Keywords: Física de partícules
Col·lisions (Física nuclear)
Particle physics
Collisions (Nuclear physics)
Issue Date: 28-Oct-2015
Publisher: Elsevier B.V.
Abstract: A study of the decay D0→K−π+μ+μ−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−12.0 fb−1. Decay candidates with muon pairs that have an invariant mass in the range 675-875 MeV/c2675-875 MeV/c2 are considered. This region is dominated by the ρ0ρ0 and ω resonances.
Note: Reproducció del document publicat a:
It is part of: Physics Letters B, 2015, vol. 757, p. 558-567
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ISSN: 0370-2693
Appears in Collections:Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))
Articles publicats en revistes (Física Quàntica i Astrofísica)

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