Beta decay of 115-In to the first excited level of 115-Sn: Potential outcome for neutrino mass

Details Beta decay of 115-In to the first excited level of 115-Sn: Potential outcome for neutrino mass Beta decay of 115-In to the first excited level of 115-Sn: Potential outcome for neutrino mass

2005-09-15

arxiv.org/abs/nucl-ex/0509020v2

Phys.Atom.Nucl. 70 (2007) 127-132

Physics

Nuclear Physics

Nuclear Experiment

9 pages, 3 figures; talk at the NANP'05 Conference

Scientific paper

10.1134/S1063778807010140

Recent observation of beta decay of 115-In to the first excited level of 115-Sn with an extremely low Q_beta value (Q_beta ~ 1 keV) could be used to set a limit on neutrino mass. To give restriction potentially competitive with those extracted from experiments with 3-H (~2 eV) and 187-Re (~15 eV), atomic mass difference between 115-In and 115-Sn and energy of the first 115-Sn level should be remeasured with higher accuracy (possibly of the order of ~1 eV).

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