Probing magnetic moment operators in production and rare decay *

Abstract

Abstract The magnetic moment ( ) and weak magnetic moment ( ) of charged leptons and quarks are sensitive to quantum effects of new physics heavy resonances. In effective field theory, and are induced by two independent operators. Therefore, one has to measure both and to shed light on new physics. The 's of the SM fermions are measured at the LEP. In this work, we analyze the contributions from magnetic and weak magnetic moment operators in the processes of and at the High-Luminosity Large Hadron Collider. We demonstrate that the two processes can cover most of the parameter space that cannot be probed at the LEP.