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Quasideuteron configurations in odd-odd N=Z nuclei


Lisetskiy, A.F. (Cologne U.) ; Jolos, R.V. (Dubna, JINR) ; Pietralla, N. (Cologne U.) ; von Brentano, P. (Cologne U.)

Published in: Phys.Rev.
Year: 1999
Vol.: C60
Page No: 064310
Pages: 14

Abstract: The isovector M1 transitions between low-lying T=1 and T=0 states in odd-odd N=Z nuclei are analyzed. Simple analytical expressions for M1 transition strengths are derived within a single-j-shell approximation for both j=l+1/2 and j=l-1/2 cases. The large B(M1) values for the j=l+1/2 case are attributed to quasi-deuteron configurations. The B(M1) values for the j=l-1/2 case are found to be small due to partly cancellation of spin and orbital parts of the M1 matrix element.

Web-Page: http://www.adsabs.harvard.edu/abs/1999PhRvC..60f4310L; http://alice.cern.ch/format/showfull?sysnb=0320398; http://dx.doi.org/10.1103/PhysRevC.60.064310; http://link.aps.org/abstract/PRC/V60/E064310/

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