The neutron-rich Mn isotopes from A=59 to 63 have been studied through multi-nucleon transfer reactions by bombarding a 238U target with a beam of 70Zn at an energy of Elab=460 MeV. Prompt γ rays measured by the CLARA array have been identified unambiguously for each nucleus, using coincidence relationships with ions detected in the high-acceptance magnetic spectrometer PRISMA. The new data extends the knowledge of the low-lying level structure of Mn isotopes, which is discussed in terms of the systematics of the region. Results are compared with large-scale shell-model calculations using different effective interactions and valence spaces.
Spectroscopy of neutron-rich 59-63Mn isotopes
LENZI, SILVIA MONICA;LUNARDI, SANTO;GOTTARDO, ANDREA;MENGONI, DANIELE;MONTAGNOLI, GIOVANNA;RECCHIA, FRANCESCO;SCARLASSARA, FERNANDO;
2008
Abstract
The neutron-rich Mn isotopes from A=59 to 63 have been studied through multi-nucleon transfer reactions by bombarding a 238U target with a beam of 70Zn at an energy of Elab=460 MeV. Prompt γ rays measured by the CLARA array have been identified unambiguously for each nucleus, using coincidence relationships with ions detected in the high-acceptance magnetic spectrometer PRISMA. The new data extends the knowledge of the low-lying level structure of Mn isotopes, which is discussed in terms of the systematics of the region. Results are compared with large-scale shell-model calculations using different effective interactions and valence spaces.Pubblicazioni consigliate
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