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Study of the Order-...
Study of the Order-to-Chaos transition in 174 W with the AGATA-Demonstrator
- Article/chapterEnglish2012
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LIBRIS-ID:oai:DiVA.org:uu-293585
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-293585URI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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The transition between order and chaos is studied in the warm rotating nucleus 174 W by γ-spectroscopy, focusing on the conservation of selection rules of the K quantum number with the excitation energy, where K is the projection of the total angular momentum on the symmetry axis. The 174 W nucleus was populated by the fusion-evaporation reaction of 80 Ti (at 217 MeV) on a 128 Te backed target. The measurement was performed in July 2010 at Legnaro National Laboratories of INFN using the AGATA Demonstrator HPGe-array coupled to an array of 27 BaF 2 scintillators, named Helena. The data analysis concentrates on γ-γ coincidence matrices selecting the γ-decay flow populating low- K and high- K structures. By a statistical fluctuation analysis the total number of low- K and high- K bands can be evaluated as a function of excitation energy. Comparisons with cranked shell model calculations at finite temperature are used to extract information on the onset of the chaotic regime as a function of excitation energy.
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Leoni, S
(author)
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Assanelli, D
(author)
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Bottoni, S
(author)
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Bracco, A
(author)
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Camera, F
(author)
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Crespi, F C L
(author)
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Giaz, A
(author)
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Nicolini, R
(author)
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Pellegri, L
(author)
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Benzoni, G
(author)
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Blasi, N
(author)
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Boiano, C
(author)
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Brambilla, S
(author)
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Million, B
(author)
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Wieland, O
(author)
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Corsi, A
(author)
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Bortolato, D
(author)
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Calore, E
(author)
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Gottardo, A
(author)
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Napoli, D R
(author)
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Sahin, E
(author)
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Dobon, J J Valiente
(author)
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Bazzacco, D
(author)
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Bellato, M
(author)
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Farnea, E
(author)
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Lunardi, S
(author)
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Mengoni, D
(author)
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Michelagnoli, C
(author)
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Montanari, D
(author)
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Recchia, F
(author)
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Ur, C A
(author)
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Gadea, A
(author)
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HÃŒyÃŒk, T
(author)
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Cieplicka, N
(author)
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Maj, A
(author)
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Kmiecik, M
(author)
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Atac, A
(author)
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Akkoyun, S
(author)
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Kaskas, A
(author)
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Nyberg, Johan,1955-Uppsala universitet,Institutionen för fysik och astronomi,Kärnfysik,Nuclear Structure(Swepub:uu)johannb
(author)
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Söderström, P A
(author)
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Collaboration, the AGATA
(author)
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Uppsala universitetInstitutionen för fysik och astronomi
(creator_code:org_t)
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In:Journal of Physics: Conference Series366:1
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Vandone, V
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Leoni, S
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Assanelli, D
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Bottoni, S
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Bracco, A
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Camera, F
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show more...
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Crespi, F C L
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Giaz, A
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Nicolini, R
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Pellegri, L
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Benzoni, G
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Blasi, N
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Boiano, C
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Brambilla, S
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Million, B
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Wieland, O
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Corsi, A
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Bortolato, D
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Calore, E
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Gottardo, A
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Napoli, D R
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Sahin, E
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Dobon, J J Valie ...
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Bazzacco, D
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Bellato, M
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Farnea, E
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Lunardi, S
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Mengoni, D
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Michelagnoli, C
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Montanari, D
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Recchia, F
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Ur, C A
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Gadea, A
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HÃŒyÃŒk, T
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Cieplicka, N
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Maj, A
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Kmiecik, M
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Atac, A
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Akkoyun, S
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Kaskas, A
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Nyberg, Johan, 1 ...
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Söderström, P ...
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Collaboration, t ...
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Uppsala University