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SUMMARY:Electromagnetic properties of neutrinos
DTSTART;VALUE=DATE-TIME:20241025T144500Z
DTEND;VALUE=DATE-TIME:20241025T151000Z
DTSTAMP;VALUE=DATE-TIME:20260423T025044Z
UID:indico-contribution-4272@cern.ch
DESCRIPTION:Speakers: Alexander Studenikin (Moscow State University)\nWe s
 tart with an introduction to the theory of neutrino electromagnetic proper
 ties [1]. Then we consider the most recent experimental constraints on neu
 trino magnetic µ and electric d moments\, millicharge q\, charge radii r
 ν2 and anapole aν moments from the terrestrial experiments (the bounds f
 rom MUNU\, TEXONO\, GEMMA\, Super-Kamiokande\, Borexino\, COHERENT\, XENON
 1T\, CONUS and the most recent bounds from  XENONnT [2] and LUX-ZEPELIN [3
 ]) and also discuss results of the recent studies on possible manifestatio
 ns of neutrino electromagnetic properties in astrophysics [4-7]. \nThen we
  focus on the main manifestation of neutrino electromagnetic interactions\
 , such as: 1) the radiative decay in vacuum\, in matter and in a magnetic 
 field\, 2) the neutrino Cherenkov radiation\, 3) the plasmon decay to neut
 rino-antineutrino pair\, 4) the neutrino spin light in matter\, and 5) the
  neutrino spin and spin-flavour precession are discussed.   Phenomenologic
 al consequences of neutrino electromagnetic interactions (including the sp
 in light of neutrino) in astrophysical environments  are also reviewed. Th
 e best bounds from laboratory experiments and astrophysical observations o
 n neutrino electromagnetic properties are confronted with the predictions 
 of theories beyond the Standard Model. \n\n[1] C.Guinti\, A.Studenikin\, N
 eutrino electromagnetic interactions: A window to new physics\,  Rev. Mod.
  Phys. 87 (2015) 531. \n[2]  A.Khan\, Light new physics and neutrino elect
 romagnetic interactions in XENONnT\, Phys. Lett. B 837 (2023) 137650. \n[3
 ] M.Atzori Corona et al.\, New constraint on neutrino magnetic moment from
  LZ dark matter search results\, Phys. Rev. D 107 (2023) 053001.\n[4]  C.G
 iunti\, K.Kouzakov\, Y.F.Li\, A.Lokhov\, A.Studenikin\, S.Zhou\, Annalen P
 hys. 528 (2016) 198.\n[5] K.Stankevich\, A.Studenikin\, Neutrino quantum d
 ecoherence engendered by neutrino radiative decay\, Phys. Rev. D 101 (2020
 ) 5\, 056004. \n[6] A.Popov\, A.Studenikin\, Manifestations of nonzero Maj
 orana CP-violating phases in oscillations of supernova neutrinos\, Phys. R
 ev. D 103 (2021) 115027. \n[7] S.Jana and Y.Porto\, Resonances of supernov
 a neutrinos in twisting magnetic fields\, Phys. Rev. Lett. 132 (2024) 1010
 05.\n\nhttps://indico.particle.mephi.ru/event/436/contributions/4272/
LOCATION: Petrovskiy 1
URL:https://indico.particle.mephi.ru/event/436/contributions/4272/
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