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Recent results from the KEDR detector at the VEPP-4M

  • 1.

    Budker Institute of Nuclear Physics, Novosibirsk 630090, Russia

  • 2.

    Novosibirsk State University, Novosibirsk 630090, Russia

Cite this:
https://doi.org/10.3969/j.issn.0253-2778.2016.04.004
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  • Author Bio:

    TODYSHEV K.Yu., male, born in 1977, PhD. Research field: high energy physics. E-mail: todyshev@inp.nsk.su

  • Received Date: 30 November 2015
  • Rev Recd Date: 20 April 2016
  • Publish Date: 30 April 2016
    Abstract

  • Abstract

    The result is presented of precise measurement the values of Ruds and R at seven points of the center-of-mass energy between 312 and 372 GeV based on the data collected with the KEDR detector at the VEPP-4M e+e- collider in Novosibirsk. Also present is the preliminary result of determination of the product of the electron partial width by the branching fraction into hadrons of J/ψ resonance.

    Abstract

    The result is presented of precise measurement the values of Ruds and R at seven points of the center-of-mass energy between 312 and 372 GeV based on the data collected with the KEDR detector at the VEPP-4M e+e- collider in Novosibirsk. Also present is the preliminary result of determination of the product of the electron partial width by the branching fraction into hadrons of J/ψ resonance.
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