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:
CreatorsEmailORCIDORCID Put Code
Vandone, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Leoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Benzoni, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blasi, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bracco, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Brambilla, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Boiano, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bottoni, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Camera, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Corsi, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Giaz, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Million, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nicolini, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pellegri, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pullia, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wieland, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bortolato, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de Angelis, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Calore, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gottardo, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Maron, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rosso, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sahin, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Valiente-Dobon, J. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bazzacco, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bellato, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Farnea, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lunardi, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Menegazzo, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mengoni, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Molini, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michelagnoli, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Montanari, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Recchia, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ur, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gadea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hueyuek, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cieplicka, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Maj, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kmiecik, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Atac, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Akkoyun, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kaskas, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Soederstroem, P. -A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Birkenbach, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cederwall, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Coleman-Smith, P. J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cullen, D. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Desesquelles, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eberth, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goergen, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Grebosz, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Judson, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Karkour, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Nolan, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Obertelli, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Salsac, M. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stezowski, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Theisen, Ch.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Matsuo, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vigezzi, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
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:
KeywordsLanguage
QUANTUM NUMBER; FLUCTUATION; ALIGNMENT; ISOMERS; STATES; RAYSMultiple languages
Physics, NuclearMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/47594

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