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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002676naa a2200421 4500
001oai:DiVA.org:kth-16618
003SwePub
008100805s2007 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-166182 URI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Herskind, B.4 aut
2451 0a Light charged particles as gateway to hyperdeformation
264 1c 2007
338 a print2 rdacarrier
500 a QC 20100525. Author Count: 76.
520 a The Euroball-IV gamma-detector array, equipped with the ancillary charged particle detector array DIAMANT was used to study the residues of the fusion reaction Ni-64 + Ni-64 double right arrow Ba-128 at E-beam. = 255 and 261 MeV, in an attempt to reach the highest angular momentum and verify the existence of predicted hyperdeformed rotational bands. No discrete hyperdeformed bands were identified, but nevertheless a breakthrough was obtained through a systematic search for rotational ridge structures with very large moments of inertia J(2) >= 100 h(2) MeV((-1)), in agreement with theoretical predictions for hyperdeformed shapes. Evidence for hyperdeformation was obtained by charged particle + gamma-ray gating, selecting triple correlated ridge structures in the continuum of each of the nuclei, Te-118, Xe-124 and Cs-124,Cs-125. In 7 additional nuclei, rotational ridges were also identified with J(2) = 71-77h(2) MeV((-1)), which most probably correspond to superdeformed shape. The angular distributions of the emitted charged particles show an excess in forward direction over expectations from pure compound evaporation, which may indicate that in-complete fusion plays an important role in the population of very elongated shapes.
650 7a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng
653 a energy correlations
653 a jacobi transitions
653 a search
653 a shape
653 a spins
700a Hagemann, G. B.4 aut
700a Dossing, Th4 aut
700a Hansen, C. Ronn4 aut
700a Schunck, N.4 aut
700a Sletten, C.4 aut
700a Cederwall, Bou KTH,Kärnfysik4 aut0 (Swepub:kth)u15ywilj
700a Lagergren, Karinu KTH,Kärnfysik4 aut0 (Swepub:kth)u1frhgcx
700a Petrache, D.4 aut
710a KTHb Kärnfysik4 org
773t Acta Physica Polonica Bg 38:4, s. 1421-1430q 38:4<1421-1430x 0587-4254x 1509-5770
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-16618

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