Inhomogeneous isospin distribution in the reactions of Si-28+Sn-112 and Sn-124 at 30 and 50 MeV/nucleon
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We have created quasiprojectiles of varying isospin via peripheral reactions of [Formula Presented] and [Formula Presented] at 30 and 50 MeV/nucleon. The quasiprojectiles have been reconstructed from completely isotopically identified fragments. The difference in [Formula Presented] of the reconstructed quasiprojectiles allows the investigation of the disassembly as a function of the isospin of the fragmenting system. The isobaric yield ratio [Formula Presented] depends strongly on [Formula Presented] ratio of quasiprojectiles. The dependences of mean fragment multiplicity and mean [Formula Presented] ratio of the fragments on [Formula Presented] ratio of the quasiprojectile are different for light charged particles and intermediate mass fragments. Observation of a different [Formula Presented] ratio of light charged particles and intermediate mass fragments is consistent with an inhomogeneous distribution of isospin in the fragmenting system. 2000 The American Physical Society.
author list (cited authors)
Veselsky, M., Ibbotson, R. W., Laforest, R., Ramakrishnan, E., Rowland, D. J., Ruangma, A., ... Yennello, S. J.
complete list of authors
Veselsky, M||Ibbotson, RW||Laforest, R||Ramakrishnan, E||Rowland, DJ||Ruangma, A||Winchester, EM||Martin, E||Yennello, SJ