Dibaryons and Speculative Universes

Pratap, Amit (2023) Dibaryons and Speculative Universes. Masters thesis, Indian Institute of Science Education and Research Kolkata.

Text (Ms dissertation of Amit Pratap (18MS175)) Thesis_18MS175.pdf - Submitted Version Restricted to Repository staff only Download (1MB)

Abstract

This report explores the implications of recently discovered exotic hadrons containing heavy quarks, focusing on their potential impact on the Big Bang Nucleosynthesis (BBN) and the formation of atomic nuclei with heavy quarks. We employ quark models to study the baryon-baryon interaction and model the Hamiltonian that describes these exotic hadrons and their role in the nucleosynthesis in our Universe. Additionally, the absence of weak interactions in the speculative Weakless Universe results in stable exotic nuclei and a unique composition of composite particles. We propose to investigate the evolution of theWeakless Universe in the presence of these heavy, stable hadrons. Finally, we end our study with the study of a fictitious Higgsless Universe and try to investigate the spectrum of hadrons and the evolution of the universe.

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