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Published on: February 12, 2013
Longitudinal Wobbling Motion in ^{187}Au
N Sensharma1, U Garg1, Q B Chen2
1Physics Department, University of Notre Dame, Notre Dame, Indiana 46556, USA.
Abstract:
The rare phenomenon of nuclear wobbling motion has been investigated in the nucleus ^{187}Au. A longitudinal wobbling-bands pair has been identified and clearly distinguished from the associated signature-partner band on the basis of angular distribution measurements. Theoretical calculations in the framework of the particle rotor model are found to agree well with the experimental observations. This is the first experimental evidence for longitudinal wobbling bands where the expected signature partner band has also been identified, and establishes this exotic collective mode as a general phenomenon over the nuclear chart.
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