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Hindered proton collectivity in the proton-rich nucleus [sup 28]S: Possible magic number Z = 16
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Description
The reduced transition probability B(E2;0gs+→21+) for the proton-rich nucleus 28S was determined experimentally using intermediate-energy Coulomb excitation. The resultant B(E2) value 181(31) e2fm4 is smaller than those of neighboring N = 12 isotones and Z = 16 isotopes. The double ratio |Mn/Mp|/(N/Z) of the 0gs+→21+ transition in 28S was obtained to be 1.9(2) by evaluating the Mn value from the known B(E2) value of the mirror nucleus 28Mg, showing the hindrance of proton collectivity relative to that of neutrons. These results indicate the emergence of the magic number Z = 16 in 28S.
Journal
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- AIP Conference Proceedings
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AIP Conference Proceedings 71-74, 2012-01-01
AIP
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Details 詳細情報について
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- CRID
- 1870302167619448704
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- ISSN
- 0094243X
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- Data Source
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- OpenAIRE