Interplay of direct and spin-flip contributions in Gamow-Teller decay to odd-odd N = Z nuclei期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Interplay of direct and spin-flip contributions in Gamow-Teller decay to odd-odd N = Z nuclei

Authors:	A.?F.?Lisetskiy author-information" > author-information__contact u-icon-before" > mailto:lisetski@nscl.msu.edu" title=" lisetski@nscl.msu.edu" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,A.?Gelberg,P.?von Brentano

Affiliation:	1.National Superconducting Cyclotron Laboratory,Michigan State University,East Lansing,USA;2.Institut für Kernphysik der Universit?t zu K?ln,K?ln,Germany

Abstract:	Strengths of Gamow-Teller decays of T_z = ±1 nuclei to T_z = 0 odd-odd nuclei have been calculated by using spherical shell model and deformed Nilsson wave functions. The role and competition of the microscopic direct and spin-flip mechanisms generating Gamow-Teller transitions are analyzed. Analytical expressions derived for the B(GT) values give useful insight into the regularities of B(GT) values along the N = Z line. The crucial role of configuration mixing is discussed.

Keywords:	23.40.-s β decay double β decay electron and muon capture 21.60.Cs Shell model 21.60.Ev Collective models
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