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- Vandone, V. (author)
Global properties of K hindrance probed by the gamma decay of the warm rotating W-174 nucleus
- Article/chapterEnglish2013
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- 2013
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-131229
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-131229URI
- https://doi.org/10.1103/PhysRevC.88.034312DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-209161URI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- QC 20131011
- 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.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- Quantum Number
- Atomic-Nuclei
- States
- Isomers
- Fluctuation
- Alignment
- Spectra
- Region
- Rays
Added entries (persons, corporate bodies, meetings, titles ...)
- Leoni, S. (author)
- Benzoni, G. (author)
- Blasi, N. (author)
- Bracco, A. (author)
- Brambilla, S. (author)
- Boiano, C. (author)
- Bottoni, S. (author)
- Camera, F. (author)
- Corsi, A. (author)
- Crespi, F. C. L. (author)
- Giaz, A. (author)
- Million, B. (author)
- Nicolini, R. (author)
- Pellegri, L. (author)
- Pullia, A. (author)
- Wieland, O. (author)
- Bortolato, D. (author)
- de Angelis, G. (author)
- Calore, E. (author)
- Gottardo, A. (author)
- Maron, G. (author)
- Napoli, D. R. (author)
- Rosso, D. (author)
- Sahin, E. (author)
- Valiente-Dobon, J. J. (author)
- Bazzacco, D. (author)
- Bellato, M. (author)
- Farnea, E. (author)
- Lunardi, S. (author)
- Menegazzo, R. (author)
- Mengoni, D. (author)
- Molini, P. (author)
- Michelagnoli, C. (author)
- Montanari, D. (author)
- Recchia, F. (author)
- Ur, C. A. (author)
- Gadea, A. (author)
- Hueyuek, T. (author)
- Cieplicka, N. (author)
- Maj, A. (author)
- Kmiecik, M. (author)
- Atac, A. (author)
- Akkoyun, S. (author)
- Kaskas, A. (author)
- Soederstroem, P. -AUppsala universitet,Institutionen för fysik och astronomi (author)
- Birkenbach, B. (author)
- Cederwall, BoKTH,Kärnfysik(Swepub:kth)u15ywilj (author)
- Coleman-Smith, P. J. (author)
- Cullen, D. M. (author)
- Desesquelles, P. (author)
- Eberth, J. (author)
- Goergen, A. (author)
- Grebosz, J. (author)
- Hess, H. (author)
- Judson, D. (author)
- Jungclaus, A. (author)
- Karkour, N. (author)
- Nolan, P. (author)
- Obertelli, A. (author)
- Reiter, P. (author)
- Salsac, M. D. (author)
- Stezowski, O. (author)
- Theisen, Ch. (author)
- Matsuo, M. (author)
- Vigezzi, E. (author)
- Uppsala universitetInstitutionen för fysik och astronomi (creator_code:org_t)
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- In:Physical Review C. Nuclear Physics88:3, s. 034312-0556-28131089-490X
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