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Preprints, Working Papers, ...

Coulomb chronometry to probe the decay mechanism of hot nuclei

Abstract : In $^129$Xe+$^{nat}$Sn central collisions from 12 to 25 MeV/A, the three-fragment exit channel occurs with a significant cross section. We show that these fragments arise from two successive binary splittings of a heavy composite system. The sequence of fragment production is unambiguously determined. Strong Coulomb proximity effects are observed in the three fragment final state. A comparison with Coulomb trajectory calculations shows that the time scale between the consecutive break-ups decreases with increasing bombarding energy, becoming quasi-simultaneous above excitation energy $E^*=4.0\pm0.5$ MeV/A.
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Preprints, Working Papers, ...
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Contributor : Diego Gruyer <>
Submitted on : Thursday, October 3, 2013 - 10:55:06 AM
Last modification on : Friday, September 10, 2021 - 1:50:11 PM
Long-term archiving on: : Friday, April 7, 2017 - 5:30:24 AM


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  • HAL Id : in2p3-00867220, version 3
  • ARXIV : 1309.7779


Diego Gruyer, J.D. Frankland, Eric Bonnet, A. Chbihi, G. Ademard, et al.. Coulomb chronometry to probe the decay mechanism of hot nuclei. 2013. ⟨in2p3-00867220v3⟩



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