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Title: Atomic and nuclear Ξ− bound states
Author: Valls Cifre, Antoni
Director/Tutor: Ramos Gómez, Àngels
Keywords: Barions
Treballs de fi de grau
Bachelor's theses
Issue Date: Feb-2022
Abstract: An study of the Ξ−-nucleus interaction is done for the purpose of expanding the knowledge on how strangeness S = −2 hyperons interact with nuclear media. Our work is based on some recent two-body capture events (Ξ−p → ΛΛ) on 12C and 14N nuclei measured at KEK and J-PARC in which a pair of single-Λ hypernuclei are formed. By developing an algorithm, based on Numerov’s method, able to resolve numerically the radial Schr¨odinger’s equation with a potential composed by a finite-size Coulomb potential and a nuclear potential shaped as a Woods-Saxon function, we conclude that this capture events occur from 1pΞ− nuclear states with a corresponding potential depth of V0 ∼ 14−17 MeV. Developing a program able to find the Ξ-nuclear energy levels and their dependence on V0, which is at the same time easy to adapt to other interacting particles or nuclei, is part of our intention here too
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2022, Tutora: Àngels Ramos
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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