期刊
PHYSICAL REVIEW C
卷 104, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.104.044331
关键词
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资金
- European Research Council [MINOS258567]
- Viet-nam Ministry of Science and Technology [DTCB.01/21/VKHKTHN]
- Spanish Ministerio de Ciencia, Innovacion y Universidades (FEDER funds) [FIS2017-88410-P]
- RIKEN Spe-cial Postdoctoral Researcher Program
- Marie Skodowska-Curie Individual Fel-lowship from the European Union [H2020-MSCAIF-2015-705023]
- HIC for FAIR
- Croatian Science Foundation
- Deutsche Forschungsgemeinschaft (DFG) [BL 1513/1-1]
- IBS grant - Korea govern-ment [IBS-R031-D1]
- BMBF [05P19RDFN1]
- HGS-HIRe
- European Regional Develop-ment Fund [GINOP-2.3.3-15-2016-00034]
- National Research, Development and Innovation Fund of Hungary [K128947]
- JSPS KAKENHI [JP16H02179, JP18H05404, JP20K03981]
- NSERC
- National Re-search Council Canada
- Office of Nuclear Physics, U.S. Department of Energy [de-sc0018223]
- Office of Science of the Department of Energy [DE-AC05-00OR22725]
- GENCI-TGCC [A007057392, A009057392]
- DiRAC Com-plexity system at the University of Leicester (BIS NationalE-infrastructure capital Grant) [ST/K000373/1]
- United Kingdom Science and Technology Facilities Council (STFC) [ST/L005816/1]
- NSERC [SAPIN-2016-00033, SAPIN-2018-00027, RGPAS-2018-522453]
- Na-tional Research Council of Canada
- Vingroup Joint Stock Company
- Domestic Ph.D. Scholarship Programme of Vingroup Innovation Foundation (VINIF), Vingroup Big Data Institute (VINBIGDATA) [VINIF.2020.TS.52]
- DiRAC Com-plexity system at the University of Leicester (STFC) [ST/K0003259/1]
- Oak Ridge National Laboratory (ORNL) [ERKBP72]
The first gamma-ray study of Cl-47 and Cl-49 spectroscopy was conducted at the Radioactive Isotope Beam Factory, using 50 Ar projectiles at 217 MeV/nucleon. The study involved measuring prompt deexcitation gamma rays with the NaI(T1) array DALI2(+) and determining the spin assignment for the low-lying states of Cl-49 through the one-proton knockout reaction Ar-50(p, 2p) with the SAMURAI spectrometer. The deduced spin-parity J(pi) = 3/2(+) for the ground state of Cl-49 was compared to theoretical predictions.
A first gamma-ray study of Cl-47,Cl-49 spectroscopy was performed at the Radioactive Isotope Beam Factory with 50 Ar projectiles at 217 MeV/nucleon, impinging on the liquid hydrogen target of the MINOS device. Prompt deexcitation gamma rays were measured with the NaI(T1) array DALI2(+). Through the one-proton knockout reaction Ar-50(p, 2p), a spin assignment could be determined for the low-lying states of Cl-49 from the momentum distribution obtained with the SAMURAI spectrometer. A spin-parity J(pi) = 3/2(+) is deduced for the ground state of Cl-49, similar to the recently studied N = 32 isotope K-51. The evolution of the energy difference E(1/2(1)(+)) - E (3/2(1)(+)) is compared to state-of-the-art theoretical predictions.
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