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SUMMARY:Prospects for searching for the neutrino magnetic moment in proces
 ses of solar neutrino scattering on superfluid helium-4
DTSTART;VALUE=DATE-TIME:20261027T162500Z
DTEND;VALUE=DATE-TIME:20261027T163000Z
DTSTAMP;VALUE=DATE-TIME:20261021T015402Z
UID:indico-contribution-6498@cern.ch
DESCRIPTION:Speakers: Ivan Stepantsov (Faculty of Physics\, Lomonosov MSU)
 \nThe processes of solar neutrino scattering by the H and He atoms are con
 sidered. Along with the weak neutrino-electron interaction\, the electroma
 gnetic interaction due to the neutrino magnetic moment $\\mu_\\nu$ is also
  taken into account. This study can be useful for the analysis of data fro
 m neutrino as well as dark matter experiments. Specifically\, it could be 
 useful to estimate the irreducible solar background in the SArov Tritium-U
 ltra-Reach Neutrino Experiment (SATURNE)\, which is under preparation with
 in the scientific program of National Center for Physics and Mathematics. 
 One of the main goals of SATURNE is the search for the neutrino magnetic m
 oment\, which is the most studied among neutrino electromagnetic (EM) prop
 erties and the discovery of which will open a window to physics beyond Sta
 ndard Model (SM). For this purpose\, a high-intensity tritium source of el
 ectron antineutrinos will be employed in combination with different detect
 ors\, including the detector based on He-II.\nWe calculate numerically the
  SM and EM neutrino-electron and neutrino-atom recoil spectra in the He de
 tector in SATURNE for the case of solar neutrinos arising from the solar n
 uclear reactions. The obtained event rates are used to estimate the detect
 or sensitivity to $\\mu_\\nu$ of solar neutrinos. \nIn addition\, we study
  the differential cross sections of tritium neutrino scattering by electro
 ns in the H atoms and outline characteristic deviations from the customary
  free-electron approximation.\n\nhttps://indico.particle.mephi.ru/event/62
 6/contributions/6498/
LOCATION:Sevastopol hotel Conference Hall 1
URL:https://indico.particle.mephi.ru/event/626/contributions/6498/
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