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Λc decays at BESIII

Pan, Y.

Nuclear and particle physics proceedings. Volume 282: (2017, January); pp 92-96 -- Elsevier

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  • Title:
    Λc decays at BESIII
  • Author: Pan, Y.
  • Found In: Nuclear and particle physics proceedings. Volume 282: (2017, January); pp 92-96
  • Journal Title: Nuclear and particle physics proceedings
  • Subjects: Nuclear physics--Congresses; Particles (Nuclear physics)--Periodicals; Conference papers and proceedings; Nuclear physics; near threshold--absolute branching fraction--hadronic decay--semi-leptonic decay; Electronic journals; Dewey: 539.705
  • Rights: Licensed
  • Publication Details: Elsevier
  • Abstract: Abstract Using567pb1e+ecollision data collected with the BESIII detector at a center-of-mass energy ofs=4.599 GeV, near theΛc+Λcthreshold, we report the first measurements of absolute hadronic branching fractions of Cabibbo-favored decays ofΛc+baryon with a double tag technique. A global least-square fitter is utilized to improve the measured precision. The branching fractions for twelve hadronic decay modes are significantly improved. We also present the semi-leptonic decayB(Λc+Λe+νe)=(3.63±0.38(stat.)±0.20(syst.))%. Preliminary results forΛμ+νμandnKS0π+decay modes are also reported, along with future prospects.
  • Identifier: System Number: ETOCvdc_100081805626.0x000001; Journal ISSN: 2405-6014; 10.1016/j.nuclphysbps.2016.12.017
  • Publication Date: 2017
  • Physical Description: Electronic
  • Shelfmark(s): 6180.618600
  • UIN: ETOCvdc_100081805626.0x000001

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