Physics of Particles and Nuclei Letters

, Volume 10, Issue 2, pp 139–143 | Cite as

Gemma experiment: The results of neutrino magnetic moment search

  • A. G. Beda
  • V. B. Brudanin
  • V. G. Egorov
  • D. V. Medvedev
  • V. S. Pogosov
  • E. A. Shevchik
  • M. V. Shirchenko
  • A. S. Starostin
  • I. V. Zhitnikov
Physics of Elementary Particles and Atomic Nuclei. Experiment


The result of the neutrino magnetic moment (NMM) measurement at the Kalinin Nuclear Power Plant (KNPP) with GEMMA spectrometer is presented. The antineutrino-electron scattering is investigated. A high-purity germanium (HPGe) detector with a mass of 1.5 kg placed at a distance of 13.9 m from the 3 GWth reactor core is exposed to the antineutrino flux of 2.7 × 1013 cm−2s−1. The recoil electron spectra taken in 18134 and 4487 h for the reactor ON and OFF periods are compared. The upper limit for the NMM μν < 2.9 × 10−11 μB at 90% C.L. is derived from the data processing.


Nucleus Letter Solar Neutrino Majorana Neutrino Neutrino Flux Neutrino Magnetic Moment 
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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • A. G. Beda
    • 1
  • V. B. Brudanin
    • 2
  • V. G. Egorov
    • 2
  • D. V. Medvedev
    • 2
  • V. S. Pogosov
    • 2
    • 3
  • E. A. Shevchik
    • 2
  • M. V. Shirchenko
    • 2
  • A. S. Starostin
    • 1
  • I. V. Zhitnikov
    • 2
  1. 1.State Science Center—Institute for Theoretical and Experimental PhysicsMoscowRussia
  2. 2.Joint Institute for Nuclear ResearchDubnaRussia
  3. 3.Yerevan Physics InstituteYerevanRussia

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