Quadrupole-octupole coupled states in 144Nd

S. J. Robinson, M. M. Hindi, H. G. Börner, Y. D. Chan, D. E. DiGregorio, C. Doll, M. R. Dragowsky, M. K. Harder, M. C.P. Isaac, K. S. Krane, R. M. Larimer, A. O. Macchiavelli, R. W. Macleod, P. Miocinovic, E. B. Norman, A. Shadkam, K. Zaerpoor

Research output: Contribution to journalArticlepeer-review

Abstract

Lifetime measurements of the 51-, 41-, and 32- levels in 144Nd, coupled with measurements of the M1/E2 mixing of the 41- → 31- and 32- → 31- transitions, show that the transition strengths from these levas are in good agreement with those expected for quadrupole-octupole coupled states. Admixtures of the ν2 (f7/2i13/2) quasiparticle configuration are the most likely explanation for the relatively large B(M 1:4- > 3-) value measured in the current work and the previously measured B(E5:5- → 0+) value.

Original languageEnglish
Pages (from-to)61-66
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume465
Issue number1-4
DOIs
Publication statusPublished - 1999

Bibliographical note

Funding Information:
This work was supported by the U.S. Department of Energy, via Contract Nos. DE-FG05-93ER40809, DE-FG02-97ER41024, DE-FG05-87ER40314 and DE-AC03-76SF00098. One of the authors (M.K.H.) acknowledges support from the EPSRC.

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