Projectile Fragmentation of $^{86}$Kr at 64 MeV/nucleon

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dc.creatorMocko, M.
dc.creatorTsang, M. B.
dc.creatorSun, Z. Y.
dc.creatorAoi, N.
dc.creatorCook, J.
dc.creatorDelaunay, F.
dc.creatorFamiano, M. A.
dc.creatorHui, H.
dc.creatorImai, N.
dc.creatorIwasaki, H.
dc.creatorLynch, W. G.
dc.creatorMotobayashi, T.
dc.creatorNiikura, M.
dc.creatorOnishi, T.
dc.creatorRogers, A. M.
dc.creatorSakurai, H.
dc.creatorStolz, A.
dc.creatorSuzuki, H.
dc.creatorTakeshita, E.
dc.creatorTakeuchi, S.
dc.creatorWallace, M. S.
dc.date2007-05-29
dc.date2007-05-30
dc.date.accessioned2026-07-07T10:35:58Z
dc.date.available2026-07-07T10:35:58Z
dc.descriptionWe measured fragmentation cross sections produced using the primary beam of $^{86}$Kr at 64 MeV/nucleon on $^9$Be and $^{181}$Ta targets. The cross sections were obtained by integrating the momentum distributions of isotopes with 25<Z<36 measured using the RIPS fragment separator at RIKEN. The cross-section ratios obtained with the $^{181}$Ta and $^{9}$Be targets depend on the fragment masses, contrary to the simple geometrical models. We compared the extracted cross sections to EPAX; an empirical parameterization of fragmentation cross sections. Predictions from current EPAX parameterization severely overestimate the production cross sections of very neutron-rich isotopes. Attempts to obtain another set of EPAX parameters specific to the reaction studied here, to extrapolate the neutron-rich nuclei more accurately have not been very successful, suggesting that accurate predictions of production cross sections of nuclei far from the valley of stability require information of nuclear properties which are not present in EPAX.
dc.description27 pages, 12 figures, submitted to PRC
dc.identifierhttps://arxiv.org/abs/0705.4313
dc.identifierhttp://arxiv.org/abs/0705.4313
dc.identifierPhys.Rev.C76:014609,2007
dc.identifierdoi:10.1103/PhysRevC.76.014609
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179902
dc.subjectNuclear Experiment
dc.titleProjectile Fragmentation of $^{86}$Kr at 64 MeV/nucleon
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