Universität zu Köln

Vandone, V., Leoni, S., Benzoni, G., Blasi, N., Bracco, A., Brambilla, S., Boiano, C., Bottoni, S., Camera, F., Corsi, A., Crespi, F. C. L., Giaz, A., Million, B., Nicolini, R., Pellegri, L., Pullia, A., Wieland, O., Bortolato, D., de Angelis, G., Calore, E., Gottardo, A., Maron, G., Napoli, D. R., Rosso, D., Sahin, E., Valiente-Dobon, J. J., Bazzacco, D., Bellato, M., Farnea, E., Lunardi, S., Menegazzo, R., Mengoni, D., Molini, P., Michelagnoli, C., Montanari, D., Recchia, F., Ur, C. A., Gadea, A., Hueyuek, T., Cieplicka, N., Maj, A., Kmiecik, M., Atac, A., Akkoyun, S., Kaskas, A., Soederstroem, P. -A., Birkenbach, B., Cederwall, B., Coleman-Smith, P. J., Cullen, D. M., Desesquelles, P., Eberth, J., Goergen, A., Grebosz, J., Hess, H., Judson, D., Jungclaus, A., Karkour, N., Nolan, P., Obertelli, A., Reiter, P., Salsac, M. D., Stezowski, O., Theisen, Ch., Matsuo, M. and Vigezzi, E. (2013). Global properties of K hindrance probed by the gamma decay of the warm rotating W-174 nucleus. Phys. Rev. C, 88 (3). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1089-490X

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Abstract

The K hindrance to the gamma decay is studied in the warm rotating W-174 nucleus, focusing on the weakening of the selection rules of the K quantum number with increasing excitation energy. W-174 was populated by the fusion reaction of Ti-50 (at 217 MeV) on a Te-128 target, and its gamma decay was detected by the AGATA Demonstrator array coupled to a BaF2 multiplicity filter at Laboratori Nazionali di Legnaro of INFN. A fluctuation analysis of gamma coincidence matrices gives a similar number of low-K and high-K discrete excited bands. The results are compared to simulations of the gamma-decay flow based on a microscopic cranked shell model at finite temperature in which the K mixing is governed by the interplay of Coriolis force with the residual interaction. Agreement between simulations and experiment is obtained only by hindering the E1 decay between low-K and high-K bands by an amount compatible with that determined by spectroscopic studies of K isomers in the same mass region, with a similar trend with excitation energy. The work indicates that K mixing due to temperature effects may play a leading role for the entire body of discrete excited bands, which probes the onset region of K weakening.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Vandone, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Leoni, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Benzoni, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blasi, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bracco, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Brambilla, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Boiano, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bottoni, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Camera, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Corsi, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Crespi, F. C. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Giaz, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Million, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nicolini, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pellegri, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pullia, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wieland, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bortolato, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED de Angelis, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Calore, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gottardo, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Maron, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Napoli, D. R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rosso, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sahin, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Valiente-Dobon, J. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bazzacco, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bellato, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Farnea, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lunardi, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Menegazzo, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mengoni, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Molini, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Michelagnoli, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Montanari, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Recchia, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ur, C. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gadea, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hueyuek, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cieplicka, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Maj, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kmiecik, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Atac, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Akkoyun, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kaskas, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Soederstroem, P. -A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Birkenbach, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cederwall, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Coleman-Smith, P. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cullen, D. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Desesquelles, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Eberth, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Goergen, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grebosz, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hess, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Judson, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jungclaus, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Karkour, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nolan, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Obertelli, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Reiter, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Salsac, M. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stezowski, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Theisen, Ch. UNSPECIFIED UNSPECIFIED UNSPECIFIED Matsuo, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vigezzi, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-475947
DOI:	10.1103/PhysRevC.88.034312
Journal or Publication Title:	Phys. Rev. C
Volume:	88
Number:	3
Date:	2013
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1089-490X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language QUANTUM NUMBER; FLUCTUATION; ALIGNMENT; ISOMERS; STATES; RAYS Multiple languages Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/47594