Decay studies for neutrino physics. García, A., Sjue, S. K. L., Swanson, H. E., Wrede, C., Melconian, D., Algora, A., & Ahmad, I. Hyperfine Interactions, 223:201-206, Springer Netherlands, January, 2014. Three decades of research using IGISOL technique at the University of Jyväskylädoi abstract bibtex Both 100Mo and 116Cd are zero-neutrino double-β-decay candidates with J π = 0 + and the ground states of the respective intermediate nuclei, 100Tc and 116In, have J π = 1 + . This makes it possible to measure these matrix elements, which turn out to provide a valuable benchmark for testing models. The electron-capture (EC) decay of 100Tc can also be used to directly determine the efficiency of a potential neutrino detector. However, the experimental determinations of the EC decay branches of interest are challenging because they are only small fractions of the main decays and co-produced radioactivities contribute significant background counts in the regions of interest. This article summarizes our work at Jyväskylä, where we have taken advantage of the high-purity beams produced at IGISOL in combination with JYFLTRAP to achieve significant improvements in the determinations of the EC branches of 100Tc and 116In.
@ARTICLE{garcia:HypInt223-2014,
author = {Garc{\'{\i}}a, A. and Sjue, S. K. L. and Swanson, H. E. and Wrede, C. and Melconian, D. and Algora, A. and Ahmad, I.},
keywords = {double-beta decay, electron-capture decay, neutrinos, nuclear structure},
month = jan,
title = {Decay studies for neutrino physics},
journal = {Hyperfine Interactions},
volume = {223},
year = {2014},
pages = {201-206},
publisher = {Springer Netherlands},
note = {Three decades of research using IGISOL technique at the University of Jyv{\"{a}}skyl{\"{a}}},
issn = {0304-3843},
doi = {10.1007/s10751-012-0619-2},
abstract = {Both 100Mo and 116Cd are zero-neutrino double-β-decay candidates with J π = 0 + and the ground states of the respective intermediate nuclei, 100Tc and 116In, have J π = 1 + . This makes it possible to measure these matrix elements, which turn out to provide a valuable benchmark for testing models. The electron-capture (EC) decay of 100Tc can also be used to directly determine the efficiency of a potential neutrino detector. However, the experimental determinations of the EC decay branches of interest are challenging because they are only small fractions of the main decays and co-produced radioactivities contribute significant background counts in the regions of interest. This article summarizes our work at Jyv{\"{a}}skyl{\"{a}}, where we have taken advantage of the high-purity beams produced at IGISOL in combination with JYFLTRAP to achieve significant improvements in the determinations of the EC branches of 100Tc and 116In.}
}
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