Comparative Lattice Analysis of SU(2) Dark Glueball

Explore a comprehensive lattice analysis of SU(2) dark glueballs as potential dark matter candidates in this hour-long conference talk. Delve into the study of mass and scattering cross-sections using lattice simulations, comparing both naive and improved SU(2) gauge actions in 3+1 dimensions across various β values. Examine the implementation of traditional Monte Carlo methods alongside flow-based models utilizing machine learning techniques for generating lattice configurations. Investigate the calculation of dark scalar glueball mass with JPC = 0++ and the NBS wave function, with a specific focus on the coupling constant β = 2.2 to illustrate the comparison between configuration generation methods. Learn about the extraction of glueball interaction potential and two-body scattering cross-section using the Runge-Kutta method. Discover the lower bound of scalar glueball mass as dark matter candidates derived from observational constraints.