17 keV neutrino and large magnetic moment solution of the solar neutrino puzzle
Eugeni Akhmedov, Zurab Berezhiani, Goran Senjanovic, Zhijian Tao
Abstract
Zee-type models with Majorons naturally incorporate the 17 keV neutrino but in their minimal version fail to simultaneously solve the solar neutrino puzzle. If there is a sterile neutrino state, we find a particularly simple solution to the solar neutrino problem, which besides ν17 predicts a light Zeldovich-Konopinski-Mahmoud neutrino νlight=νe+νμc with a magnetic moment being easily as large as 10-11μB through the Barr-Freire-Zee mechanism.
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