Proton decay spectroscopy of S28 and Cl30

Gillespie, Stephen A.; Brown, K. W.; Charity, R. J.; Sobotka, L. G.; Anthony, A. K.; Barney, J.; Bonaccorso, A.; Brown, B. A.; Crosby, J.; Dell'Aquila, D.; Elson, J.; Estee, J.; Gade, A.; Ghazali, M.; Jhang, G.; Jin, Y.; Longfellow, B.; Lynch, W. G.; Pereira, J.; Spieker, M.; Sweany, S.; Teh, F. C. E.; Thomas, A.; Tsang, M. B.; Tsang, C. Y.; Weisshaar, D.; Wu, H. Y.; Zhu, K.

doi:10.1103/physrevc.105.044321

Proton decay spectroscopy of S 28 and Cl 30

Journal Article · Fri Apr 22 00:00:00 EDT 2022 · Physical Review. C

DOI:https://doi.org/10.1103/physrevc.105.044321· OSTI ID:1864488

^[1]; Brown, K. W. ^[2]; Charity, R. J. ^[3]; ^[3]; Anthony, A. K. ^[2]; ^[2]; Bonaccorso, A. ^[4]; Brown, B. A. ^[2]; Crosby, J. ^[2]; ^[2]; Elson, J. ^[3]; Estee, J. ^[2]; Gade, A. ^[2]; Ghazali, M. ^[2]; Jhang, G. ^[2]; Jin, Y. ^[5]; Longfellow, B. ^[6]; Lynch, W. G. ^[2]; Pereira, J. ^[2]; ^[7] more »

Michigan State Univ., East Lansing, MI (United States); Michigan State University
Michigan State Univ., East Lansing, MI (United States)
Washington Univ., St. Louis, MO (United States)
Istituto Nazionale di Fisica Nucleare, Pisa (Italy)
Peking Univ., Beijing (China)
Michigan State Univ., East Lansing, MI (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Florida State Univ., Tallahassee, FL (United States)

States in ²⁸S and ³⁰Cl have been studied using one- and two-proton decay spectroscopy. In the first spectrometer setting, states in ²⁸S were populated following one-neutron knockout from a fast ²⁹S beam. Three new states are observed in ²⁸S from one- and two-proton decay. For the two-proton case the nature of the decay was investigated and found to proceed via sequential two-proton emission. For the second setting, states in ³⁰Cl were populated via one-proton knockout from a fast ³¹Ar beam. The decay energy of the ground and first excited state were measured, with the ground-state decay energy found to be in disagreement with a previous measurement. Here, the spin and parity of these two ³⁰Cl states were inferred from shell-model calculations.

View Accepted Manuscript (DOE)

Research Organization:: Michigan State Univ., East Lansing, MI (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: SC0020451

OSTI ID:: 1864488

Journal Information:: Physical Review. C, Journal Name: Physical Review. C Journal Issue: 4 Vol. 105; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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