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SUMMARY:Large scale shell model calculations for double beta decay of 48Ca
DTSTART:20160726T043000Z
DTEND:20160726T060000Z
DTSTAMP:20240302T101400Z
UID:indico-event-2333@indico2.riken.jp
DESCRIPTION:=Date and Place=\nJul.26th\, Tues. 13:30~ at RIBF Hall 201\n
\n=Lecturer=\nDr.Yoritaka Iwata\n(Institute of Innovative Research\, Tokyo
Institute of Technology / Department of Mathematics\, Shibaura Institute
of Technology)\n\n=Title=\nLarge scale shell model calculations for double
beta decay of 48Ca\n\n=Abstract=\n\n Neutrinoless double beta decay pr
ovides a way to determine the effective mass of neutrinos. If the half lif
e of neutrinoless double beta decay is measured\, the effective mass of ne
utrino is determined using the value of nuclear matrix element (NME). In t
his talk a new NME value for neutrinoless double beta decay of 48Ca based
on large-scale shell model calculations is presented\, and compared to the
existing theoretical data. For the purpose of examining the reliability o
f our shell-model calculations\, calculated nuclear matrix element for two
-neutrino double beta decay is also presented\, and compared to experiment
al data. Consequently a constraint for effective neutrino mass is suggeste
d based on the latest NME value. The impact of sterile neutrino on the lif
e-time of double beta decay will be also presented for the double beta dec
ay of 48Ca.\n\n References:\n [1] Y. Iwata\, N. Shimizu\, T. Otsuka\
, J. Menendez\, Y. Utsuno\, M. Honma\, and T. Abe\, Phys. Rev. Lett. 116 (
2016) 112502.\n [2] Y. Iwata\, N. Shimizu\, T. Otsuka\, J. Menendez\, Y
. Utsuno\, M. Honma\, and T. Abe\, JPS Conf.Proc. 6 (2015) 030057.\n\nhttp
s://indico2.riken.jp/event/2333/
LOCATION:201 (RIBF Hall)
URL:https://indico2.riken.jp/event/2333/
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