2010
DOI: 10.1103/physrevc.82.041303
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EnhancedE1transitions andα+208Pb(3<

Abstract: We formulate a model for 212 Po, based on the coupled-channels of α + 208 Pb(0 + ) and α + 208 Pb(3 − ) in which the α-Pb interaction contains scalar, quadrupole, and octupole terms. The model reproduces the recently observed enhanced E1 transitions from the several new negative-parity levels to the yrast states. Because these data are hard to understand in the shell model, this success gives a strong support for a unique role of α + 208 Pb(3 − ) clustering in 212 Po.

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Cited by 31 publications
(21 citation statements)
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“…The similar procedure has been employed in proton emission [17] and cluster structure [18]. The coupled equations (1) are solved with outgoing wave boundary conditions.…”
mentioning
confidence: 99%
“…The similar procedure has been employed in proton emission [17] and cluster structure [18]. The coupled equations (1) are solved with outgoing wave boundary conditions.…”
mentioning
confidence: 99%
“…The α clustering in the actinides [49][50][51] were also investigated in the same literature. Recently, the α clustering in 212 Po [52][53][54] and the rare-earth nuclei [55] were also discussed based on their enhanced low-lying E1 strengths.…”
Section: Introductionmentioning
confidence: 99%
“…In particular, the dynamics of the daughter core are introduced into the matrix elements. For rotational nuclei, they are described by the following expression [17,18],…”
Section: Multichannel Cluster Model Within the Coupled-channel Frameworkmentioning
confidence: 99%