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Evidence of ?(1S) -> J/? + ?c1 and search for double-charmonium production in ?(1S) and ?(2S) decays

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10289737" target="_blank" >RIV/00216208:11320/14:10289737 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevD.90.112008" target="_blank" >http://dx.doi.org/10.1103/PhysRevD.90.112008</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevD.90.112008" target="_blank" >10.1103/PhysRevD.90.112008</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Evidence of ?(1S) -> J/? + ?c1 and search for double-charmonium production in ?(1S) and ?(2S) decays

  • Original language description

    Using data samples of 102 x 106 ??1S? and 158 x 106 ??2S? events collected with the Belle detector, a first experimental search has been made for double-charmonium production in the exclusive decays ??1S; 2S? RIGHTWARDS ARROW J=???0? ? X, where X 1/4 ?c,?cJ?J 1/4 0; 1; 2?, ?c?2S?, X?3940?, and X?4160?. No significant signal is observed in the spectra of the mass recoiling against the reconstructed J=? or ?0 except for the evidence of ?c1 production with a significance of 4.6? for ??1S? RIGHTWARDS ARROWJ=? ? ?c1. The measured branching fraction B???1S? RIGHTWARDS ARROW J=? ? ?c1 ? is 1/23.90 1.21?stat? 0.23?syst? x 10MINUS SIGN 6. The 90% C.L. upper limits on the branching fractions of the other modes having a significance of less than 3? are determined. These results are consistent with theoretical calculations using the nonrelativistic QCD factorization approach.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BF - Elementary particle theory and high energy physics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/LG14034" target="_blank" >LG14034: Study of beyond Standard Model Physics in the B-meson decays in the Belle II international experiment</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review D - Particles, Fields, Gravitation and Cosmology

  • ISSN

    1550-7998

  • e-ISSN

  • Volume of the periodical

    89

  • Issue of the periodical within the volume

    11

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    9

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database