Model for Glauber-type calculations of beam fragmentation at low energies
Ismailova A.N. Parfenova Y.L. Sharov P.G. Janseitov D.M.
1 May 2025Institute of Physics
Chinese Physics C
2025#49Issue 5
In this study, a Glauber-type model for describing nuclear fragmentation in light targets at energies below 100 MeV is presented. It is developed based on the Glauber model within the nucleon transparent limit, in which the Lorentz-invariant phase space factor is introduced to account for energy and momentum conservation. Accordingly, the scope of the applicability of the model is discussed. The longitudinal momentum distributions of the most neutron-rich nuclei (10Be, 9Li, and 8He), which were produced in a few nucleon removal reactions during the 11B fragmentation of a Be target at beam energies of 10, 30, and 100 MeV, are calculated. The results of the calculations are then compared to the predictions of statistical fragmentation models, such as the Goldhaber model. Using the new model, the asymmetric longitudinal momentum distributions at low energies are explained by the kinematical locus and geometry of the reaction.
breakup reactions , fragmentation , Glauber model , momentum distributions
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Flerov Laboratory of Nuclear Reactions, JINR, 20 Joliot Curie Str, Dubna, Russian Federation
Institute of Nuclear Physics, 1 Ibragimov Str, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
Institute of Physics, Silesian University, Opava, Czech Republic
Flerov Laboratory of Nuclear Reactions
Institute of Nuclear Physics
Al-Farabi Kazakh National University
Institute of Physics
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