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Title: Study of DsJ(*) + mesons decaying to D∗ +KS0 and D*0K+ final states
Author: Gascón Fora, David
Graciani Díaz, Ricardo
Graugés Pous, Eugeni
Marín Benito, Carla
Picatoste Olloqui, Eduardo
Rives Molina, Vicente José
LHCb Collaboration
Keywords: Interaccions d'hadrons
Física còsmica
Hadron interactions
Cosmic physics
Issue Date: 19-Feb-2016
Publisher: Springer Verlag
Abstract: A search is performed for D sJ (*) + mesons in the reactions pp → D ∗ + K S 0 X and pp → D *0 K + X using data collected at centre-of-mass energies of 7 and 8 TeV with the LHCb detector. For the D ∗ + K S 0 final state, the decays D *+ → D 0 π + with D 0 → K − π + and D 0 → K − π + π + π − are used. For D *0 K +, the decay D *0 → D 0 π 0 with D 0 → K − π + is used. A prominent D s1(2536)+ signal is observed in both D ∗ + K S 0 and D *0 K + final states. The resonances D s1 * (2700)+ and D s3 * (2860)+ are also observed, yielding information on their properties, including spin-parity assignments. The decay D s2 * (2573)+ → D ∗ + K S 0 is observed for the first time, at a significance of 6.9 σ, and its branching fraction relative to the D s2 * (2573)+ → D + K S 0 decay mode is measured.
Note: Reproducció del document publicat a:
It is part of: Journal of High Energy Physics, 2016, vol. 2016, num. 133
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ISSN: 1126-6708
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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