Gemma experiment: The results of neutrino magnetic moment search

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 G...

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Veröffentlicht in:Physics of particles and nuclei letters 2013-03, Vol.10 (2), p.139-143
Hauptverfasser: Beda, A. G., Brudanin, V. B., Egorov, V. G., Medvedev, D. V., Pogosov, V. S., Shevchik, E. A., Shirchenko, M. V., Starostin, A. S., Zhitnikov, I. V.
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container_end_page 143
container_issue 2
container_start_page 139
container_title Physics of particles and nuclei letters
container_volume 10
creator Beda, A. G.
Brudanin, V. B.
Egorov, V. G.
Medvedev, D. V.
Pogosov, V. S.
Shevchik, E. A.
Shirchenko, M. V.
Starostin, A. S.
Zhitnikov, I. V.
description 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 GW th reactor core is exposed to the antineutrino flux of 2.7 × 10 13 cm −2 s −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 μ ν < 2.9 × 10 −11 μ B at 90% C.L. is derived from the data processing.
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Physics
Physics and Astronomy
Physics of Elementary Particles and Atomic Nuclei. Experiment
title Gemma experiment: The results of neutrino magnetic moment search
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