Study of DsJ (*) + mesons decaying to D∗ +KS 0 and D*0K+ final states

The Lhcb Collaboration

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Abstract: A search is performed for DsJ (*) + mesons in the reactions pp → D∗ +KS 0X and pp → D*0K+X using data collected at centre-of-mass energies of 7 and 8 TeV with the LHCb detector. For the D∗ +KS 0 final state, the decays D*+ → D0π+ with D0 → Kπ+ and D0 → Kπ+π+π are used. For D*0K+, the decay D*0 → D0π0 with D0 → Kπ+ is used. A prominent Ds1(2536)+ signal is observed in both D∗ +KS 0 and D*0K+ final states. The resonances Ds1 *(2700)+ and Ds3 *(2860)+ are also observed, yielding information on their properties, including spin-parity assignments. The decay Ds2 *(2573)+ → D∗ +KS 0 is observed for the first time, at a significance of 6.9 σ, and its branching fraction relative to the Ds2 *(2573)+ → D+KS 0 decay mode is measured.[Figure not available: see fulltext.]

Original languageEnglish (US)
Article number133
Pages (from-to)1-26
Number of pages26
JournalJournal of High Energy Physics
Volume2016
Issue number2
DOIs
StatePublished - Feb 1 2016

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mesons
decay
center of mass
parity
detectors
energy

Keywords

  • Charm physics
  • Hadron-Hadron scattering

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Study of DsJ (*) + mesons decaying to D∗ +KS 0 and D*0K+ final states. / The Lhcb Collaboration.

In: Journal of High Energy Physics, Vol. 2016, No. 2, 133, 01.02.2016, p. 1-26.

Research output: Contribution to journalArticle

The Lhcb Collaboration. / Study of DsJ (*) + mesons decaying to D∗ +KS 0 and D*0K+ final states. In: Journal of High Energy Physics. 2016 ; Vol. 2016, No. 2. pp. 1-26.
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abstract = "Abstract: A search is performed for DsJ (*) + mesons in the reactions pp → D∗ +KS 0X and pp → D*0K+X using data collected at centre-of-mass energies of 7 and 8 TeV with the LHCb detector. For the D∗ +KS 0 final state, the decays D*+ → D0π+ with D0 → K−π+ and D0 → K−π+π+π− are used. For D*0K+, the decay D*0 → D0π0 with D0 → K−π+ is used. A prominent Ds1(2536)+ signal is observed in both D∗ +KS 0 and D*0K+ final states. The resonances Ds1 *(2700)+ and Ds3 *(2860)+ are also observed, yielding information on their properties, including spin-parity assignments. The decay Ds2 *(2573)+ → D∗ +KS 0 is observed for the first time, at a significance of 6.9 σ, and its branching fraction relative to the Ds2 *(2573)+ → D+KS 0 decay mode is measured.[Figure not available: see fulltext.]",
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author = "{The Lhcb Collaboration} and R. Aaij and {Abell{\'a}n Beteta}, C. and B. Adeva and M. Adinolfi and A. Affolder and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and M. Alexander and S. Ali and G. Alkhazov and {Alvarez Cartelle}, P. and Alves, {A. A.} and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and Appleby, {R. B.} and {Aquines Gutierrez}, O. and F. Archilli and P. d’Argent and A. Artamonov and M. Artuso and Marina Artuso and G. Auriemma and M. Baalouch and S. Bachmann and Back, {J. J.} and A. Badalov and C. Baesso and W. Baldini and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and V. Batozskaya and V. Battista and A. Bay and L. Beaucourt and J. Beddow and F. Bedeschi and I. Bediaga and Blusk, {Steven Roy} and Tomasz Skwarnicki and Sheldon Stone",
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AU - Bachmann, S.

AU - Back, J. J.

AU - Badalov, A.

AU - Baesso, C.

AU - Baldini, W.

AU - Barlow, R. J.

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AU - Barter, W.

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N2 - Abstract: A search is performed for DsJ (*) + mesons in the reactions pp → D∗ +KS 0X and pp → D*0K+X using data collected at centre-of-mass energies of 7 and 8 TeV with the LHCb detector. For the D∗ +KS 0 final state, the decays D*+ → D0π+ with D0 → K−π+ and D0 → K−π+π+π− are used. For D*0K+, the decay D*0 → D0π0 with D0 → K−π+ is used. A prominent Ds1(2536)+ signal is observed in both D∗ +KS 0 and D*0K+ final states. The resonances Ds1 *(2700)+ and Ds3 *(2860)+ are also observed, yielding information on their properties, including spin-parity assignments. The decay Ds2 *(2573)+ → D∗ +KS 0 is observed for the first time, at a significance of 6.9 σ, and its branching fraction relative to the Ds2 *(2573)+ → D+KS 0 decay mode is measured.[Figure not available: see fulltext.]

AB - Abstract: A search is performed for DsJ (*) + mesons in the reactions pp → D∗ +KS 0X and pp → D*0K+X using data collected at centre-of-mass energies of 7 and 8 TeV with the LHCb detector. For the D∗ +KS 0 final state, the decays D*+ → D0π+ with D0 → K−π+ and D0 → K−π+π+π− are used. For D*0K+, the decay D*0 → D0π0 with D0 → K−π+ is used. A prominent Ds1(2536)+ signal is observed in both D∗ +KS 0 and D*0K+ final states. The resonances Ds1 *(2700)+ and Ds3 *(2860)+ are also observed, yielding information on their properties, including spin-parity assignments. The decay Ds2 *(2573)+ → D∗ +KS 0 is observed for the first time, at a significance of 6.9 σ, and its branching fraction relative to the Ds2 *(2573)+ → D+KS 0 decay mode is measured.[Figure not available: see fulltext.]

KW - Charm physics

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