| Autor: |
Singh, D., Linda, Sneha B., Giri, Pankaj K., Mahato, Amritraj, Utkarsh, Shrotriya, Pramod K., Mishra, A. K., Ansari, M. Afzal |
| Předmět: |
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| Zdroj: |
Indian Journal of Pure & Applied Physics; Aug2019, Vol. 57 Issue 8, p580-583, 4p |
| Abstrakt: |
To understand the mechanism of pre-equilibrium particle emission using light and heavy ion beams with different targets at energy above the Coulomb barrier, a study has been done. The cross-sections for twelve systems 4He + 59Co, 4He +124Sn, 4He + 165Ho, 12C + 59Co, 12C +124Sn, 12C + 165Ho, 16O + 59Co, 16O + 124Sn, 16O + 165Ho, 19F + 59Co, 19F + 124Sn and 19F + 165Ho have been calculated using the statistical model code ALICE-91. Significant pre-equilibrium particle emission contribution has been obtained for lighter systems at higher projectile energy. It has also been found that the pre-equilibrium particle emission affects predominantly over the equilibrated compound nucleus emissions at high projectile energies. Pre-equilibrium fraction (FPEQ) has been deduced from the excitation function data for different systems at different projectile energies. The present results indicate that the probability of pre-equilibrium particle emission depends not only on a single entrance channel parameter, but it also depends on various entrance channel parameters, namely: projectile energy, mass of the projectile, mass of the target and entrance-channel mass asymmetry. The present analysis of the data also suggests that the pre-equilibrium particle emission contributes significantly at higher projectile energy for lighter mass projectile and target. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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