Akimune, H., Ejiri, H., Hattori, F., Agodi, C., Alanssari, M., Cappuzzello, F., Carbone, D., Cavallaro, M., Colo, G., Diel, F., Douma, C. A., Frekers, D., Fujita, H., Fujita, Y., Fujiwara, M., Gey, G., Harakeh, M. N., Hatanaka, K., Heguri, K., Holl, M., Inoue, A., Kalantar-Nayestanaki, N., Niu, Y. F., Puppe, P., Ries, P. C., Tamii, A., Werner, V and Zuber, K. (2020). Spin-dipole nuclear matrix element for the double beta decay of Ge-76 by the (He-3, t) charge-exchange reaction. J. Phys. G-Nucl. Part. Phys., 47 (5). BRISTOL: IOP PUBLISHING LTD. ISSN 1361-6471

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Abstract

Nuclear matrix elements (NMEs) for double beta decays (DBDs) are crucial for studying the neutrino mass and other neutrino properties beyond the standard electro-weak model by measuring neutrino-less DBDs. The spin-dipole (SD) J(pi) = 2(-) NME is one of the major components associated with the DBD NME. The SD NME for Ge-76 was derived for the first time by using the (74,76) Ge (He-3, t) at RCNP Osaka. The obtained SD NME for the Ge-76 -> As-76 ground-state transition is divide M EXP-(SD) ivide = 1.5 x 10-3 k 0.2 with respect to the quasi-particle model NME divide MQP-(SD) divide <i. The impact of the reduced (quenched) SD NME on DBD neutrino studies is discussed.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Akimune, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ejiri, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hattori, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Agodi, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Alanssari, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cappuzzello, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Carbone, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cavallaro, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Colo, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Diel, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Douma, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Frekers, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fujita, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fujita, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fujiwara, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gey, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Harakeh, M. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hatanaka, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Heguri, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Holl, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Inoue, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kalantar-Nayestanaki, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Niu, Y. F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Puppe, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ries, P. C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Tamii, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Werner, VUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zuber, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-336113
DOI: 10.1088/1361-6471/ab7a87
Journal or Publication Title: J. Phys. G-Nucl. Part. Phys.
Volume: 47
Number: 5
Date: 2020
Publisher: IOP PUBLISHING LTD
Place of Publication: BRISTOL
ISSN: 1361-6471
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
ORDINARY MUON-CAPTURE; TRANSITIONS; HINDRANCE; PROBEMultiple languages
Physics, Nuclear; Physics, Particles & FieldsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/33611

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