Speaker
Andre' Walker-Loud
(Department of Physics, College of William and Mary)
Description
In this work, we report on the first direct lattice calculation of the strong isospin breaking parameter, m_d - m_u. To determine this standard model parameter, we compute the hadron spectrum for several values the lattice volume, the pion mass and the strong isospin breaking parameter, and then extrapolate these results to the known experimental spectrum. We must address various systematics, the most important of which is the hadron electromagnetic self energy, which we discuss in some detail.
Primary author
Andre' Walker-Loud
(Department of Physics, College of William and Mary)
