The lifetimes of the first excited states of the Z = 18 44Ar and 46Ar isotopes have been determined using a novel technique that combines the Recoil Distance Doppler Shift method with the CLARA-PRISMA spectrometers for Multinucleon Transfer Reactions. The B(E2) values extracted for the 2+→0+ transitions in both nuclei, as well as for higher excites states in 44Ar, are discussed and compared with the available experimental results and with the new large-scale shell-model calculations.
Evolution of the Ar isotopic chain: the N=28 shell gap south of Ca-48
MENGONI, DANIELE;LENZI, SILVIA MONICA;LUNARDI, SANTO;GOTTARDO, ANDREA;MONTANARI, DANIELE;MONTAGNOLI, GIOVANNA;RECCHIA, FRANCESCO;SCARLASSARA, FERNANDO;
2010
Abstract
The lifetimes of the first excited states of the Z = 18 44Ar and 46Ar isotopes have been determined using a novel technique that combines the Recoil Distance Doppler Shift method with the CLARA-PRISMA spectrometers for Multinucleon Transfer Reactions. The B(E2) values extracted for the 2+→0+ transitions in both nuclei, as well as for higher excites states in 44Ar, are discussed and compared with the available experimental results and with the new large-scale shell-model calculations.
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