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DOI : 10.1103/PhysRevC.86.021603

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Physical Review C 86 (2012) 021603

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

S. Hudan, A.B. Mcintosh, R.T. De Souza, S. Bianchin, J. Black, A. Chbihi1, M. Famiano, M.O. Frégeau, J. Gauthier, D. Mercier, J. Moisan, C.J. Metelko, R. Roy, C. Schwarz, W. Trautmann, R. Yanez

(2012)

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∗.

1 :	GANIL - Grand Accélérateur National d'Ions Lourds

Thème(s)

:

Physique/Physique Nucléaire Expérimentale

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Soumis le : Mardi 28 Août 2012, 09:01:03

Dernière modification le : Mardi 28 Août 2012, 11:30:12