Physics of Particles and Nuclei Letters

, Volume 11, Issue 4, pp 458–461 | Cite as

On sensitivity of neutrino-helium ionizing collisions to neutrino magnetic moments

Physics of Elementary Particles and Atomic Nuclei. Theory


We consider theoretically ionization of a helium atom by impact of an electron antineutrino. The sensitivity of this process to neutrino magnetic moments is analyzed. In contrast to the recent theoretical prediction, no considerable enhancement of the electromagnetic contribution with respect to the free-electron case is found. The stepping approximation is shown to be well applicable practically down to the ionization threshold.


Differential Cross Section Nucleus Letter Helium Atom Ionization Threshold Step Approximation 
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© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  1. 1.Faculty of PhysicsLomonosov Moscow State UniversityMoscowRussia
  2. 2.Joint Institute for Nuclear ResearchDubna, Moscow oblastRussia

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