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Light Charged Particles as Gateway to Hyperdeformation

dc.contributor.authorHERSKIND, B.
dc.contributor.authorHAGEMANN, G.B.
dc.contributor.authorDOSSING, Th.
dc.contributor.authorRONN HANSEN, C.
dc.contributor.authorSCHUNCK, N.
dc.contributor.authorSLETTEN, G.
dc.contributor.authorODEG&#314RD, S.
dc.contributor.authorHUEBEL, H.
dc.contributor.authorBRINGEL, P.
dc.contributor.authorBUERGER, A.
dc.contributor.authorNEUSSER, A.
dc.contributor.authorSINGH, A.K.
dc.contributor.authorAL-KHATIB, A.
dc.contributor.authorPATEL, S.B.
dc.contributor.authorNYAKO, B.M.
dc.contributor.authorALGORA, A.
dc.contributor.authorDOMBRADI, Z.
dc.contributor.authorGAL, J.
dc.contributor.authorKALINKA, G.
dc.contributor.authorSOHLER, D.
dc.contributor.authorMOLNAR, J.
dc.contributor.authorTIMAR, J.
dc.contributor.authorZOLNAI, L.
dc.contributor.authorJUHASZ, K.
dc.contributor.authorBRACCO, A.
dc.contributor.authorLEONI, S.
dc.contributor.authorCAMERA, F.
dc.contributor.authorBENZONI, G.
dc.contributor.authorMASON, P.
dc.contributor.authorPALENI, A.
dc.contributor.authorMILLION, B.
dc.contributor.authorWIELAND, O.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorBEDNARCZYK, P.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorAZAIEZ, F.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorBYRSKI, Th.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorCURIEN, D.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorDAKOV, O.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorDUCHENE, G.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorKHALFALLAH, F.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorGALL, B.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorPIQERAS, L.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorROBIN, J.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorDUDEK, J.
hal.structure.identifierDépartement Recherches Subatomiques [DRS-IPHC]
dc.contributor.authorROWLEY, N.
hal.structure.identifierInstitut de Physique Nucléaire de Lyon [IPNL]
dc.contributor.authorREDON, N.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorHANNACHI, F.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorSCHEURER, J.N.
dc.contributor.authorWILSON, J.N.
hal.structure.identifierCentre de Spectrométrie Nucléaire et de Spectrométrie de Masse [CSNSM]
dc.contributor.authorLOPEZ-MARTENS, A.
hal.structure.identifierCentre de Spectrométrie Nucléaire et de Spectrométrie de Masse [CSNSM]
dc.contributor.authorKORICHI, A.
hal.structure.identifierCentre de Spectrométrie Nucléaire et de Spectrométrie de Masse [CSNSM]
dc.contributor.authorHAUSCHILD, K.
hal.structure.identifierCentre de Spectrométrie Nucléaire et de Spectrométrie de Masse [CSNSM]
dc.contributor.authorROCCAZ, J.
hal.structure.identifierCentre de Spectrométrie Nucléaire et de Spectrométrie de Masse [CSNSM]
dc.contributor.authorSIEM, S.
dc.contributor.authorFALLON, P.
dc.contributor.authorLEE, I.Y.
dc.contributor.authorGOERGEN, A.
dc.contributor.authorMAJ, A.
dc.contributor.authorKMIECIK, M.
dc.contributor.authorBREKIESZ, M.
dc.contributor.authorSTYCZEN, J.
dc.contributor.authorZUBER, K.
dc.contributor.authorLISLE, J.C.
dc.contributor.authorCEDERWALL, B.
dc.contributor.authorLAGERGREN, K.
dc.contributor.authorEVANS, A.O.
dc.contributor.authorRAINOVSKI, G.
dc.contributor.authorDE ANGELIS, G.
dc.contributor.authorLA RANA, G.
dc.contributor.authorMORO, R.
dc.contributor.authorLIEDER, R.M.
dc.contributor.authorLIEDER, E.O.
dc.contributor.authorGAST, W.
dc.contributor.authorJAEGER, H.
dc.contributor.authorPASTERNAK, A.A.
dc.contributor.authorPETRACHE, C.M.
dc.contributor.authorPETRACHE, D.
dc.date.issued2007
dc.date.conference2006-09-04
dc.identifier.issn0587-4254
dc.description.abstractEnThe Euroball-IV \gamma -detector array, equipped with the ancillary charged particle detector array DIAMANT was used to study the residues of the fusion reaction $^{64}$Ni + $^{64}$Ni \Rightarrow $^{128}$Ba 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) \ge 100 {\mathchar 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, $^ {118}$Te, $^{124}$Xe and $^{124,125}$Cs. In 7 additional nuclei, rotational ridges were also identified with J(2) = 71--77 {\mathchar h}^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.
dc.language.isoen
dc.publisherJagellonian University, Cracow
dc.source.titleActa Physica Polonica B
dc.title.enLight Charged Particles as Gateway to Hyperdeformation
dc.typeArticle de revue
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalActa Physica Polonica B
bordeaux.page1421-1430
bordeaux.volume38
bordeaux.countryPL
bordeaux.title.proceedingActa Physica Polonica B
bordeaux.conference.cityZakopane
bordeaux.peerReviewedoui
hal.identifierin2p3-00142012
hal.version1
hal.conference.end2006-09-10
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00142012v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=Acta%20Physica%20Polonica%20B&rft.jtitle=Acta%20Physica%20Polonica%20B&rft.date=2007&rft.volume=38&rft.spage=1421-1430&rft.epage=1421-1430&rft.eissn=0587-4254&rft.issn=0587-4254&rft.au=HERSKIND,%20B.&HAGEMANN,%20G.B.&DOSSING,%20Th.&RONN%20HANSEN,%20C.&SCHUNCK,%20N.&rft.genre=article


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