- Main
Nuclear Structure Towards N=40 Ca60: In-Beam γ-Ray Spectroscopy of Ti58,60
- Gade, A;
- Janssens, RVF;
- Weisshaar, D;
- Brown, BA;
- Lunderberg, E;
- Albers, M;
- Bader, VM;
- Baugher, T;
- Bazin, D;
- Berryman, JS;
- Campbell, CM;
- Carpenter, MP;
- Chiara, CJ;
- Crawford, HL;
- Cromaz, M;
- Garg, U;
- Hoffman, CR;
- Kondev, FG;
- Langer, C;
- Lauritsen, T;
- Lee, IY;
- Lenzi, SM;
- Matta, JT;
- Nowacki, F;
- Recchia, F;
- Sieja, K;
- Stroberg, SR;
- Tostevin, JA;
- Williams, SJ;
- Wimmer, K;
- Zhu, S
- et al.
Published Web Location
https://doi.org/10.1103/physrevlett.112.112503Abstract
Excited states in the neutron-rich N = 38, 36 nuclei (60)Ti and (58)Ti were populated in nucleon-removal reactions from (61)V projectiles at 90 MeV/nucleon. The γ-ray transitions from such states in these Ti isotopes were detected with the advanced γ-ray tracking array GRETINA and were corrected event by event for large Doppler shifts (v/c ∼ 0.4) using the γ-ray interaction points deduced from online signal decomposition. The new data indicate that a steep decrease in quadrupole collectivity occurs when moving from neutron-rich N = 36, 38 Fe and Cr toward the Ti and Ca isotones. In fact, (58,60)Ti provide some of the most neutron-rich benchmarks accessible today for calculations attempting to determine the structure of the potentially doubly magic nucleus (60)Ca.
Main Content
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