Journal
PHYSICAL REVIEW LETTERS
Volume 112, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.112503
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Funding
- DOE, Office of Science
- NSF [PHY-1102511, PHY-1068217, PHY-1068192]
- DOE [DE-AC02-05CH11231, DE-AC02-06CH11357, DE-FG02-94-ER40834, DE-FG02-08ER41556]
- Science and Technology Facilities Council (U.K.) [ST/J000051]
- U.S. Department of Energy (DOE) [DE-FG02-08ER41556] Funding Source: U.S. Department of Energy (DOE)
- STFC [ST/J000051/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000051/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1068192] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1068217] Funding Source: National Science Foundation
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Excited states in the neutron-rich N = 38, 36 nuclei Ti-60 and Ti-58 were populated in nucleon-removal reactions from V-61 projectiles at 90 MeV/nucleon. The gamma-ray transitions from such states in these Ti isotopes were detected with the advanced gamma-ray tracking array GRETINA and were corrected event by event for large Doppler shifts (nu/c similar to 0.4) using the gamma-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, Ti-58,Ti- 60 provide some of the most neutron-rich benchmarks accessible today for calculations attempting to determine the structure of the potentially doubly magic nucleus Ca-60.
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