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Tracking saddle-to-scission dynamics using N/Z in projectile breakup reactions

Abstract : Fragments produced in binary splits of an excited projectile-like fragment (PLF∗) formed in the reactions 124Xe + 112,124Sn at an incident energy of 50 MeV/A are examined. The dependence of the isotopic composition of light fragments (4 < ZL < 8) on rotation angle allows one to explore changes in N/Z on the time scale of the rotational period of the PLF∗. Changes in the N/Z of the fragments persist for times as long as 2-3 zs (600-900 fm/c). The two-component nature of the time dependence of N /Z for ZL = 4 and the Z dependence are related to differences in the initial configurations and subsequent decay of the PLF∗.
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http://hal.in2p3.fr/in2p3-00725859
Contributor : Michel Lion <>
Submitted on : Tuesday, August 28, 2012 - 9:01:03 AM
Last modification on : Thursday, February 1, 2018 - 1:26:24 AM

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S. Hudan, A.B. Mcintosh, R.T. de Souza, S. Bianchin, J. Black, et al.. Tracking saddle-to-scission dynamics using N/Z in projectile breakup reactions. Physical Review C, American Physical Society, 2012, 86, pp.021603. ⟨10.1103/PhysRevC.86.021603⟩. ⟨in2p3-00725859⟩

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