Journal
PHYSICAL REVIEW C
Volume 100, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.100.054317
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Funding
- German BMBF [05P18PKFN9]
- Generalitat Valenciana, Conselleria d'Educacio, Investigacio, Cultura i Esport [PROMETEU/2019/005]
- Ministerio de Ciencia, Innovacion y Universidades Spain [SEV-2014-0398, FPA2017-84756-C4]
- European Commission FEDER funds
- STFC [2017 STFC Nuclear Physics CG, ST/P004423/1, 2014 STFC Nuclear Physics CG, ST/L005743/1, ST/P004598/1, ST/P005314/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/L005743/1, ST/P005314/1] Funding Source: researchfish
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Lifetimes of the excited states in the neutron-rich Ti-52,Ti-54 nuclei, produced in a multinucleon-transfer reaction, were measured by employing the Cologne plunger device and the recoil-distance Doppler-shift method. The experiment was performed at the Grand Accelerateur National d'Ions Lourds facility by using the Advanced Gamma Tracking Array for the gamma-ray detection, coupled to the large-acceptance variable mode spectrometer for an event-by-event particle identification. A comparison between the transition probabilities obtained from the measured lifetimes of the 2(1)(+) to 8(1)(+) yrast states in Ti-52,Ti-54 and that from the shell-model calculations based on the well-established GXPF1A, GXPF1B, and KB3G fp shell interactions support the N = 32 subshell closure. The B(E2) values for Ti-52 determined in this work are in disagreement with the known data, but are consistent with the predictions of the shell-model calculations and reduce the previously observed pronounced staggering across the even-even titanium isotopes.
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