NDLI: Dynamical effects on the way to fusion of very heavy nuclei

Content Provider	Springer Nature Link
Author	Mikhailov, I. N. Mikhailova, T. I. Briançon, Ch. Hanappe, F.
Copyright Year	2006
Abstract	The central collision of 40Ar and 208Pb is studied considering the ellipsoidal deformations and isovector dipole mode of motion in the approaching phase. The collective energy dissipation is suggested to originate from the Fermi surface deformation which is treated as a kinematically independent mode of motion within the canonical Lagrange-Rayleigh dynamics. The possible extensions of the approach are discussed. The potential energy surface, calculated using the generalized (folded) surface potential, is studied. The saddle point in the potential energy surface lying at the border of strongly deformed compact configurations is located. The potential energy at this point is about 10MeV smaller than that of the ions touching each other in the spherical shape. The examination of trajectories followed by the system in its evolution shows that the inertia forces strongly hinder the motion of ions along the potential energy valley. The collective energy dissipated during the approach is found to be smaller than the difference in the potential energies at saddle point and at the touching configuration of unpolarized ions.
Starting Page	173
Ending Page	185
Page Count	13
File Format	PDF
ISSN	14346001
Journal	The European Physical Journal A - Hadrons and Nuclei
Volume Number	28
Issue Number	2
e-ISSN	1434601X
Language	English
Publisher	Società Italiana di Fisica
Publisher Date	2006-06-26
Publisher Place	Bologna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Elementary Particles and Nuclei Nuclear Physics, Heavy Ions, Hadrons Nuclear Fusion
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics

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