Liu, H. N., Obertelli, A., Doornenbal, P., Bertulani, C. A., Hagen, G., Holt, J. D., Jansen, G. R., Morris, T. D., Schwenk, A., Stroberg, R., Achouri, N., Baba, H., Browne, F., Calvet, D., Chateau, F., Chen, S., Chiga, N., Corsi, A., Cortes, M. L., Delbart, A., Gheller, J. -M., Giganon, A., Gillibert, A., Hilaire, C., Isobe, T., Kobayashi, T., Kubota, Y., Lapoux, V., Motobayashi, T., Murray, I., Otsu, H., Panin, V., Paul, N., Rodriguez, W., Sakurai, H., Sasano, M., Steppenbeck, D., Stuhl, L., Sun, Y. L., Togano, Y., Uesaka, T., Wimmer, K., Yoneda, K., Aktas, O., Aumann, T., Chung, L. X., Flavigny, F., Franchoo, S., Gasparic, I., Gerst, R. -B., Gibelin, J., Hahn, K. I., Kim, D., Koiwai, T., Kondo, Y., Koseoglou, P., Lee, J., Lehr, C., Linh, B. D., Lokotko, T., MacCormick, M., Moschner, K., Nakamura, T., Park, S. Y., Rossi, D., Sahin, E., Sohler, D., Soderstrom, P. -A., Takeuchi, S., Toernqvist, H., Vaquero, V., Wagner, V., Wang, S., Werner, V., Xu, X., Yamada, H., Yan, D., Yang, Z., Yasuda, M. and Zanetti, L. (2019). How Robust is the N=34 Subshell Closure? First Spectroscopy of Ar-52. Phys. Rev. Lett., 122 (7). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

The first gamma-ray spectroscopy of Ar-52, with the neutron number N = 34, was measured using the K-53(p, 2p) one-proton removal reaction at similar to 210 MeV/u at the RIBF facility. The 2(1)(+) excitation energy is found at 1656(18) keV, the highest among the Ar isotopes with N > 20. This result is the first experimental signature of the persistence of the N = 34 subshell closure beyond Ca-54, i.e., below the magic proton number Z = 20. Shell-model calculations with phenomenological and chiral-effective-field-theory interactions both reproduce the measured 2(1)(+) systematics of neutron-rich Ar isotopes, and support a N = 34 subshell closure in Ar-52.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Liu, H. N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Obertelli, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Doornenbal, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bertulani, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hagen, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Holt, J. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jansen, G. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Morris, T. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schwenk, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stroberg, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Achouri, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Baba, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Browne, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Calvet, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chateau, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chen, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chiga, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Corsi, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cortes, M. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Delbart, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gheller, J. -M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Giganon, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gillibert, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hilaire, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Isobe, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kobayashi, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kubota, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lapoux, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Motobayashi, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Murray, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Otsu, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Panin, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Paul, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rodriguez, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sakurai, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sasano, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Steppenbeck, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stuhl, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sun, Y. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Togano, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Uesaka, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wimmer, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yoneda, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Aktas, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Aumann, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chung, L. X.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Flavigny, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Franchoo, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gasparic, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerst, R. -B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gibelin, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hahn, K. I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kim, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koiwai, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kondo, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koseoglou, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lee, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lehr, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Linh, B. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lokotko, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
MacCormick, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moschner, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nakamura, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Park, S. Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rossi, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sahin, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sohler, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soderstrom, P. -A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Takeuchi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Toernqvist, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vaquero, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wagner, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wang, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Werner, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xu, X.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yamada, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yan, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yang, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yasuda, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zanetti, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-156411
DOI: 10.1103/PhysRevLett.122.072502
Journal or Publication Title: Phys. Rev. Lett.
Volume: 122
Number: 7
Date: 2019
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1079-7114
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
MAGIC NUMBER; SHELL-MODEL; NUCLEAR; EXCITATION; MASSESMultiple languages
Physics, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15641

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