Abstract
We aim to understand the role of NN cross-sections, equation of state as well as different model ingredients such as width of Gaussian, clusterisation range and different clusterisation algorithms in multifragmentation using quantum molecular dynamics model. We notice that all model ingredients have sizable effect on the fragment pattern.
Highlights
The study of heavy-ion collisions at intermediate energies (50 ≤ E ≤ 1000 MeV/ nucleon) provides a rich source of information for many rare phenomena such as multifragmentation, collective flow, particle production etc. [1,2]
The clusterization at first instance is made using the minimum spanning tree (MST) method, in which, nucleons are bound if Rclus = |r1 − r2| ≤ 4 fm [1,5]
We display the multiplicity of intermediate mass fragments (IMFs) as a function of the impact parameter for the reaction of 79Au197 + 79Au197 at incident energies 100, 400, 600 and 1000 MeV/nucleon
Summary
The study of heavy-ion collisions at intermediate energies (50 ≤ E ≤ 1000 MeV/ nucleon) provides a rich source of information for many rare phenomena such as multifragmentation, collective flow, particle production etc. [1,2]. One can shed light on the mechanism behind the fragmentation in highly excited nuclear systems. In this energy region, multifragmentation appears to be a dominant deexcitation channel apart from the other less populated channels of manifestation of liquid gas phase transition in finite nuclear systems [1,3,4]. The experimental analysis of the emission of intermediate mass fragments (IMFs), (5 ≤ A ≤ Atot/6), has yielded several interesting observations: De Souza et al [10] observed a linear increase in the multiplicity of IMFs with incident energies for central collisions.
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