Universität zu Köln

Flavigny, F., Doornenbal, P., Obertelli, A., Delaroche, J. -P., Girod, M., Libert, J., Rodriguez, T. R., Authelet, G., Baba, H., Calvet, D., Chateau, F., Chen, S., Corsi, A., Delbart, A., Gheller, J. -M., Giganon, A., Gillibert, A., Lapoux, V., Motobayashi, T., Niikura, M., Paul, N., Rousse, J. -Y., Sakurai, H., Santamaria, C., Steppenbeck, D., Taniuchi, R., Uesaka, T., Ando, T., Arici, T., Blazhev, A., Browne, F., Bruce, A., Carroll, R., Chung, L. X., Cortes, M. L., Dewald, M., Ding, B., Franchoo, S., Gorska, M., Gottardo, A., Jungclaus, A., Lee, J., Lettmann, M., Linh, B. D., Liu, J., Liu, Z., Lizarazo, C., Momiyama, S., Moschner, K., Nagamine, S., Nakatsuka, N., Nita, C., Nobs, C. R., Olivier, L., Orlandi, R., Patel, Z., Podolyak, Zs., Rudigier, M., Saito, T., Shand, C., Soderstrom, P. A., Stefan, I., Vaquero, V., Werner, V., Wimmer, K. and Xu, Z. (2017). Shape Evolution in Neutron-Rich Krypton Isotopes Beyond N=60: First Spectroscopy of Kr-98,Kr-100. Phys. Rev. Lett., 118 (24). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

We report on the first gamma-ray spectroscopy of low-lying states in neutron-rich Kr-98,Kr-100 isotopes obtained from (99,101)Rbd (p,2p) reactions at similar to 220 MeV/nucleon. A reduction of the 2(1)(+) state energies beyond N = 60 demonstrates a significant increase of deformation, shifted in neutron number compared to the sharper transition observed in strontium and zirconium isotopes. State-of-the-art beyond-mean-field calculations using the Gogny D1S interaction predict level energies in good agreement with experimental results. The identification of a low-lying (0(2)(+),2(2)(+)) state in Kr-98 provides the first experimental evidence of a competing configuration at low energy in neutron-rich krypton isotopes consistent with the oblate-prolate shape coexistence picture suggested by theory.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Flavigny, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Doornenbal, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Obertelli, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Delaroche, J. -P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Girod, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Libert, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rodriguez, T. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Authelet, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Baba, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Calvet, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chateau, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chen, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Corsi, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Delbart, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gheller, J. -M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Giganon, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gillibert, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lapoux, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Motobayashi, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Niikura, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Paul, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rousse, J. -Y. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sakurai, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Santamaria, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Steppenbeck, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Taniuchi, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Uesaka, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ando, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Arici, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blazhev, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Browne, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bruce, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Carroll, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chung, L. X. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cortes, M. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dewald, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ding, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Franchoo, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gorska, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gottardo, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jungclaus, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lee, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lettmann, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Linh, B. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Liu, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Liu, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lizarazo, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Momiyama, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moschner, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nagamine, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nakatsuka, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nita, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nobs, C. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Olivier, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Orlandi, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Patel, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED Podolyak, Zs. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rudigier, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Saito, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Shand, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Soderstrom, P. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stefan, I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vaquero, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Werner, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wimmer, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Xu, Z. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-227743
DOI:	10.1103/PhysRevLett.118.242501
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	118
Number:	24
Date:	2017
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1079-7114
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ATOMIC-NUCLEI; CHARGE RADII; COEXISTENCE; ZR-100; STATE; DEFORMATION; SEPARATOR; DISCOVERY; FISSION; SR-98 Multiple languages Physics, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/22774