Dynamical approach to spectator fragmentation in Au+Au reactions at 35 MeV/A

• Autorzy: Yogesh Vermani , Rajeev Puri
• Języki publikacji: EN

Abstrakty

EN

The characteristics of fragment emission in peripheral 197Au+197Au collisions 35 MeV/A are studied using the two clusterization approaches within framework of quantum molecular dynamics model. Our model calculations using minimum spanning tree (MST) algorithm and advanced clusterization method namely simulated annealing clusterization algorithm (SACA) showed that fragment structure can be realized at an earlier time when spectators contribute significantly toward the fragment production even at such a low incident energy. Comparison of model predictions with experimental data reveals that SACA method can nicely reproduce the fragment charge yields and mean charge of the heaviest fragment. This reflects suitability of SACA method over conventional clusterization techniques to investigate spectator matter fragmentation in low energy domain.

Słowa kluczowe

EN

heavy-ion collisions; multifragmentation; quantum molecular dynamics (QMD) model; Multics-Miniball array

• Czasopismo: Open Physics
• Rocznik: 2011
• Tom: 9
• Numer: 3
• Strony: 621-627

Daty

wydano

2011-06-01

online

2011-02-26

Twórcy

autor

Yogesh Vermani

• Department of Physics, Panjab University, Chandigarh, 160 014, India,

autor

Rajeev Puri

• Department of Physics, Panjab University, Chandigarh, 160 014, India

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Identyfikatory

DOI

10.2478/s11534-010-0087-8