Preequilibrium neutron emission in heavy ion reaction Mean field effect and multiple emission

Gambhir, Y.K and Paul, Sabyasachi and Nandy, Maitreyee and Mohanty, A. K. (2016) Preequilibrium neutron emission in heavy ion reaction Mean field effect and multiple emission. Preequilibrium neutron emission in heavy ion reaction: Mean field effect and multiple emission, 94 (034607). pp. 1-10.

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Abstract

Effects of nuclear mean field and of multiple preequilibrium (PEQ) emission on double differential neutron multiplicity distribution from heavy ion reactions (12C+165Ho and 20Ne+165Ho) at 10–30 MeV/u have beeninvestigated in the framework of the semiclassical formalism for heavy ion reaction (henceforth termed “HION”)developed earlier. HION follows the equilibration of a target+projectile composite system through the kinematics of two-body scattering. In the present work nuclear density distribution in the composite system is estimated in the relativistic mean field (RMF) approach. The nucleon-nucleon collision rates and subsequently the nucleon emission probability are calculated from this density distribution. A second approach based on a semiphenomenological formalism is also used for nuclear density distribution. Energy-angle distribution of neutron multiplicities calculated with this modified HION model coupled with multiple PEQ emission could reproduce the measured data of earlier workers in the projectile energy range of 10–30 MeV/u.

Item Type: Article
Subjects: Departments at MU > Manipal Centre for Natural Sciences
Depositing User: MCNS Editor
Date Deposited: 02 May 2017 09:57
Last Modified: 02 May 2017 09:57
URI: http://eprints.manipal.edu/id/eprint/148802

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