Speaker
Xucheng Gan
(University of Chicago)
Description
In this talk, we will discuss how the dimension-six operators change the rate of baryon number violation rate via sphaleron transition. Applying Newton-Kantorovich method, we solve related nonlinear sphaleron equations numerically. Depending on the sign of the coefficients of the dimension-six operators, the sphaleron energy will increases or decreases. Since the coefficient of these dimension-six operators are already constrained by electroweak precision measurement, we can show that they can change the energy of sphaleron energy by a few percent, which doesn't deviate much from the sphaleron energy of standard model.
Authors
Xucheng Gan
(University of Chicago)
Andrew Long
(University of Chicago)
LianTao Wang
(University of Chicago)
