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Spin polarization of $^{34}$Al fragments produced by nucleon pickup at intermediate energies

dc.contributor.authorTURZÓ, K.
dc.contributor.authorHIMPE, P.
dc.contributor.authorL. BALABANSKI, D.
dc.contributor.authorBÉLIER, G.
dc.contributor.authorBORREMANS, D.
dc.contributor.authorM. DAUGAS, J.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorGEORGIEV, G.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorDE OLIVEIRA SANTOS, Francois
dc.contributor.authorMALLION, S.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorMATEA, I.
dc.contributor.authorNEYENS, G.
dc.contributor.authorE. PENIONZHKEVICH, Yu.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorSTODEL, C.
dc.contributor.authorVERMEULEN, N.
dc.contributor.authorYORDANOV, D.
dc.date.issued2006
dc.identifier.issn2469-9985
dc.description.abstractEnThe polarization of ${34}$Al fragments, produced by single neutron pickup from a ${9}$Be target by a ${36}$S projectile at 77.5 MeV/nucleon, have been observed at GANIL via the detection of resonantly destroyed $\beta$-asymmetry. The reaction-induced polarization is deduced using a tentative spin/parity assignment for the $^{34}$Al ground state. A positive polarization was measured near the peak of the $^{34}$Al yield curve. A kinematical model based on the spectator-participant model for projectile fragmentation reactions has been extended in order to take into account the features of pickup reactions, i.e., the picked-up nucleon having an average momentum equal to the Fermi momentum and aligned along the incident beam direction. The trend-line in the observed spin-orientation is very well reproduced by this model.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.subject.ennuclei with mass number 20 to 38
dc.subject.ennuclear fragmentation
dc.subject.enpick-up reactions
dc.subject.ennuclear spin
dc.subject.enpolarisation in nuclear reactions and scattering
dc.subject.ennuclear parity
dc.subject.ennuclear energy levels
dc.subject.enheavy ion-nucleus reactions
dc.title.enSpin polarization of $^{34}$Al fragments produced by nucleon pickup at intermediate energies
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.73.044313
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhysical Review C
bordeaux.page044313
bordeaux.volume73
bordeaux.peerReviewedoui
hal.identifierin2p3-00025997
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00025997v1
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