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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Nuclear structure relevant to neutrinoless double β decay: The valence protons in Ge76 and Se76
Physical Review C - Nuclear Physics, Volume 79, No. 2, Article 021301, Year 2009
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Description
The possibility of observing neutrinoless double β decay offers the opportunity of determining the effective neutrino mass if the nuclear matrix element were known. Theoretical calculations are uncertain, and the occupation of valence orbits by nucleons active in the decay is likely to be important. The occupation of valence proton orbits in the ground states of Ge76, a candidate for such decay, and Se76, the corresponding daughter nucleus, is determined by precisely measuring cross sections for proton-removing transfer reactions. As in previous work on neutron occupation, we find that the Fermi surface for protons is much more diffuse than previously thought, and the occupancies of at least three orbits change significantly between the two 0+ ground states. © 2009 The American Physical Society.
Authors & Co-Authors
Kay, Benjamin P.
United States, Lemont
Argonne National Laboratory
Schiffer, John P.
United States, Lemont
Argonne National Laboratory
Freeman, S. J.
United Kingdom, Manchester
The University of Manchester
Adachi, Tatsuya
Japan, Suita
Osaka University
Clark, Jason A.
United States, New Haven
Yale University
Fujita, Hirohiko
Japan, Suita
Osaka University
Fujita, Yoshitaka
Japan, Suita
Osaka University
Hatanaka, Kichiji
Japan, Suita
Osaka University
Ishikawa, D.
Japan, Suita
Osaka University
Matsubara, Hiroaki
Japan, Suita
Osaka University
Okamura, Hiroyuki
Japan, Suita
Osaka University
Rehm, Karl Ernst
United States, Lemont
Argonne National Laboratory
Sakemi, Yasuhiro
Japan, Sendai
Tohoku University
Shimizu, Yohei
Japan, Tokyo
The University of Tokyo
Suda, Kenji
Japan, Suita
Osaka University
Tameshige, Yuuji
Japan, Suita
Osaka University
Tamii, Atsushi
Japan, Suita
Osaka University
Wrede, Christopher
United States, New Haven
Yale University
Statistics
Citations: 115
Authors: 18
Affiliations: 9
Identifiers
Doi:
10.1103/PhysRevC.79.021301
ISSN:
05562813
Research Areas
Cancer