Studying (_Λ Λ ^6)He hypernuclei by modern ΛΛ potential derived from Lattice QCD Simulations

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عنوان دوره: اولین دوره بین المللی و بیست و هشتمین دوره ملی (1400)
In this work, we examine the first principle lattice quantum chromodynamics (LQCD) ΛΛ interactions derived by HAL collaboration, which are the most consistent potential with the Large Hadron Collider (LHC) and A Large Ion Collider Experiment (ALICE) data to study the ground state properties of the (_ΛΛ ^6)He hypernucleus. Theoretically, the (_ΛΛ ^6)He system is considered as an α particle and two Λ hyperons. Since the binding energy of α nucleus is relativly large, it can be considered as solid particle, so its excited states can not play a role in the desired energy. In addition we have calculated the matter radious of (_Λ Λ ^6)He hypernuclei. Furthermore, in order to have better comparisons we did calculations by the Nijmegen model D hard-core interaction (ND) for ΛΛ phenomenological potential which often used in hypernuclei studying. For Λα potential the famous two-range Gaussian (Isel-type) interaction is used.
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