A numerical model of ion implantation into presolar grains

Verchovsky, A.V.; Wright, I.P.; Fisenko, A.V. and Pillinger, C.T. (2001). A numerical model of ion implantation into presolar grains. Nuclear Physics A, 688(1-2) 106C-109C.

DOI: https://doi.org/10.1016/S0375-9474(01)00678-9

Abstract

Pre-solar grains such as diamond and silicon carbide (found in primitive chondritic meteorites), contain isotopically anomalous noble gases. There are two ways that these could have been incorporated into the grains: direct assimilation during grain formation and growth, or subsequent addition after the grains had formed. Herein we investigate the latter possibililty and explore the role of ion implementation within the interstellar medium (i.e. into pre-existing grains distributed in free space). Numerical models are derived to address the issue of how ion implantation would affect the grain population.

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