Collective Dipole Bremsstrahlung in Fusion Reactions

Abstract

We estimate the dipole radiation emitted in fusion processes. We show that a classical bremsstrahlung approach can account for both the preequilibrium and the thermal photon emission. We give an absolute evaluation of the pre-equilibrium component due to the charge asymmetry in the entrance channel and we study the energy and mass dependence in order to optimize the observation. This dynamical dipole radiation could be a relevant cooling mechanism in the fusion path. We stress the interest in experiments with the new available radioactive beams.

4 pages (LATEX), 4 Postscript figures, minor text modifications

References in corpus (3)

• Quantum Calculation of Dipole Excitation in Fusion Reaction
• Bremsstrahlung in Alpha-Decay
• The Dynamical Dipole Mode in Dissipative Heavy Ion Collisions

Cited by in corpus (25)

• Nuclear Quantum Many-Body Dynamics: From Collective Vibrations to Heavy-Ion Collisions
• Probing the Nuclear Symmetry Energy with Heavy Ion Collisions
• Fusion process studied with preequilibrium giant dipole resonance in time dependent Hartree-Fock theory
• Isospin Dynamics in Peripheral Heavy Ion Collisions at Fermi Energies
• Constraining simultaneously nuclear symmetry energy and neutron-proton effective mass splitting with nucleus giant resonances from a dynamical approach
• Suppression of Charge Equilibration leading to the Synthesis of Exotic Nuclei
• Dependence of fusion on isospin dynamics
• Connecting the nuclear EoS to the interplay between fusion and quasifission processes in low-energy nuclear reactions
• The Dynamical Dipole Mode in Fusion Reactions with Exotic Nuclear Beams
• Symmetry Energy Effects on Fusion Cross Sections
• Pygmy dipole resonance: collective features and symmetry energy effects
• Prompt dipole radiation in fusion reactions
• Dynamic microscopic study of pre-equilibrium giant resonance excitation and fusion in the reactions ${}^{132}$Sn+${}^{48}$Ca and ${}^{124}$Sn+${}^{40}$Ca
• Isospin Dynamics in Heavy Ion Collisions: from Coulomb Barrier to Quark Gluon Plasma
• Multi-nucleon transfer in ${}^{58}\text{Ni}+{}^{60}\text{Ni}$ and ${}^{60}\text{Ni}+{}^{60}\text{Ni}$ in stochastic mean-field approach
• Deep insight into charge equilibration and the effects on producing neutron-rich isotopes around N = 126 in the multinucleon transfer reactions
• Theoretical predictions of experimental observables sensitive to the symmetry energy: Results of the SMF transport model
• Iso-vector dipole resonance and shear viscosity in low energy heavy-ion collision
• Nuclear Quantum Many-Body Dynamics: From Collective Vibrations to Heavy-Ion Collisions (2nd edition)
• Pre-equilibrium effects in charge-asymmetric low-energy reactions
• Symmetry-energy dependence of the dynamical dipole mode in the Boltzmann-Uehling-Uhlenbeck model
• Nuclear collective dynamics within Vlasov approach
• Nuclear Matter and Nuclear Dynamics
• Constraining the Symmetry Energy: A Journey in the Isospin Physics from Coulomb Barrier to Deconfinement
• The Dynamical Dipole Radiation in Dissipative Collisions with Exotic Beams