Spectroscopy of K 52

M. Enciu, A. Obertelli, P. Doornenbal, M. Heinz, T. Miyagi, F. Nowacki, K. Ogata, A. Poves, A. Schwenk, K. Yoshida, N. L. Achouri, H. Baba, F. Browne, D. Calvet, F. Château, S. Chen, N. Chiga, A. Corsi, M. L. Cortés, A. DelbartJ. M. Gheller, A. Giganon, A. Gillibert, C. Hilaire, T. Isobe, T. Kobayashi, Y. Kubota, V. Lapoux, H. N. Liu, T. Motobayashi, I. Murray, H. Otsu, V. Panin, N. Paul, W. Rodriguez, H. Sakurai, M. Sasano, D. Steppenbeck, L. Stuhl, Y. L. Sun, Y. Togano, T. Uesaka, K. Wimmer, K. Yoneda, O. Aktas, T. Aumann, L. X. Chung, F. Flavigny, S. Franchoo, I. Gašparić, R. B. Gerst, J. Gibelin, K. I. Hahn, D. Kim, Y. Kondo, P. Koseoglou, J. Lee, C. Lehr, P. J. Li, B. D. Linh, T. Lokotko, M. Maccormick, K. Moschner, T. Nakamura, S. Y. Park, D. Rossi, E. Sahin, P. A. Söderström, D. Sohler, S. Takeuchi, H. Toernqvist, V. Vaquero, V. Wagner, S. Wang, V. Werner, X. Xu, H. Yamada, D. Yan, Z. Yang, M. Yasuda, L. Zanetti

Research output: Contribution to journalArticlepeer-review

Abstract

The first spectroscopy of K52 was investigated via in-beam γ-ray spectroscopy at the RIKEN Radioactive Isotope Beam Factory after one-proton and one-neutron knockout from Ca53 and K53 beams impinging on a 15-cm liquid hydrogen target at ≈230 MeV/nucleon. The energy level scheme of K52 was built using single γ and γ-γ coincidence spectra. The spins and parities of the excited states were established based on momentum distributions of the fragment after the knockout reaction and based on exclusive cross sections. The results were compared to state-of-the-art shell model calculations with the SDPF-Umod interaction and ab initio in-medium similarity renormalization group calculations with chiral effective field theory nucleon-nucleon and three-nucleon forces.

Original languageEnglish
Article number064301
JournalPhysical Review C
Volume110
Issue number6
DOIs
StatePublished - Dec 2024
Externally publishedYes

Funding

We are grateful for the support of the RIKEN Nishina Center accelerator staff in the delivery of the primary beam and the BigRIPS team for preparing the secondary beams. The development of MINOS has been supported by the European Research Council through the ERC Grant No. MINOS-258567. M.E., A.O., A.S., T.A., I.G., C.L., D.R., H.T., V.W., and L.Z. acknowledge the support from the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) \u2013 Project-ID 279384907 \u2013 SFB 1245. K.O. acknowledges the support by Grants-in-Aid for Scientific Research from the JSPS (No. JP21H00125). M.H., T.M., and A.S. were supported in part by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (Grant Agreement No. 101020842). T.M. is supported by JST ERATO Grant No. JPMJER2304, Japan. A.P. acknowledges the Grant No. CEX2020-001007-S and Grant No. PID2021-127890NB-I00 funded by MCIN/AEI/10.13039/501100011033. Y.T. acknowledges the support from the JSPS Grant-in-Aid for Scientific Research Grants No. JP21H01114. B.D.L. and L.X.C. acknowledge support from the Vietnam Ministry of Science and Technology under Grant No. \u0110TCB.01/21/VKHKTHN. D.S. acknowledges the National Research, Development and Innovation Fund of Hungary via project No. K128947. F.B. was supported by the RIKEN Special Postdoctoral Researcher Program. V.W. acknowledges BMBF Grants No. 05P21RDFN1 and No. 05P21RDFN9.

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