Calculating the S -matrix of low-energy heavy-ion collisions using quantum coupled-channels wave-packet dynamics

2021 ◽  
Vol 104 (6) ◽  
Author(s):  
Terence Vockerodt ◽  
Alexis Diaz-Torres
Keyword(s):  
Wave Packet ◽  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Low Energy ◽  
Ion Collisions ◽  
Wave Packet Dynamics ◽  
Coupled Channels ◽  
S Matrix

scholarly journals Hierarchy of kinetic freeze-out parameters in low-energy heavy-ion collisions

2020 ◽  
Vol 102 (5) ◽  
Author(s):  
Sudhir Pandurang Rode ◽  
Partha Pratim Bhaduri ◽  
Amaresh Jaiswal ◽  
Ankhi Roy
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Low Energy ◽  
Ion Collisions ◽  
Freeze Out

scholarly journals A Description of Pseudorapidity Distributions of Charged Particles Produced in Au+Au Collisions at RHIC Energies

2018 ◽  
Vol 2018 ◽  
pp. 1-8
Author(s):  
Z. J. Jiang ◽  
Dongfang Xu ◽  
Yan Huang
Keyword(s):  
Phase Transition ◽  
Heavy Ion Collisions ◽  
Charged Particles ◽  
Dense Matter ◽  
Heavy Ion ◽  
High Energy ◽  
Low Energy ◽  
Ion Collisions ◽  
Rapidity Distributions ◽  
Pseudorapidity Distributions

In heavy ion collisions, charged particles come from two parts: the hot and dense matter and the leading particles. In this paper, the hot and dense matter is assumed to expand according to the hydrodynamic model including phase transition and decouples into particles via the prescription of Cooper-Frye. The leading particles are as usual supposed to have Gaussian rapidity distributions with the number equaling that of participants. The investigations of this paper show that, unlike low energy situations, the leading particles are essential in describing the pseudorapidity distributions of charged particles produced in high energy heavy ion collisions. This might be due to the different transparencies of nuclei at different energies.

scholarly journals Unified Theory of Electrons and Photons in Heavy Ion Collisions

1980 ◽  
Vol 35 (6) ◽  
pp. 579-589 ◽  
Author(s):  
Johannes Kirsch
Keyword(s):  
Electromagnetic Field ◽  
Heavy Ion Collisions ◽  
Matrix Theory ◽  
Heavy Ion ◽  
Unified Theory ◽  
Electron Systems ◽  
New Approach ◽  
Ion Collisions ◽  
S Matrix ◽  
Molecular Radiation

We present a unified formulation of the interaction of electrons with the electromagnetic field in heavy ion collisions, based on quantized interacting fields. This reduces the effort in treating many-electron systems substantially, as compared with the usual S-matrix theory. Both formalisms are shown to be equivalent. The simplification achieved by our new approach is demonstrated in detail for the example of quasi-molecular radiation

scholarly journals Vorticity in low-energy heavy-ion collisions

2020 ◽  
Vol 101 (6) ◽  
Author(s):  
Xian-Gai Deng ◽  
Xu-Guang Huang ◽  
Yu-Gang Ma ◽  
Song Zhang
Keyword(s):  
Heavy Ion Collisions ◽  
Heavy Ion ◽  
Low Energy ◽  
Ion Collisions
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