We make a comprehensive study of indirect bounds on scalar leptoquarks that couple
chirally and diagonally to the first generation by examining available data from low-energy …

We present results for the matrix elements of a variety of four-fermion operators calculated
using quenched Wilson fermions. Our simulations are done on 170 lattices of size 32 3× 64 …

We present lattice calculations in QCD using Shamir's variant of Kaplan fermions which
retain the continuum SU (N) L× SU (N) R chiral symmetry on the lattice in the limit of an …

In a previous paper we analyzed fermion masses (focusing on neutrino masses and mixing
angles) in an SO (10) SUSY GUT with U (2)× U (1) n family symmetry. The model is “natural” …

A general nonperturbative analysis of the renormalization properties of ΔI=3/2 four-fermion
operators in the framework of lattice regularization with Wilson fermions is presented. We …

We present the details of a global χ 2 analysis of electroweak data, including fermion
masses and mixing angles, in SO (10) SUSY GUTs. Just as precision electroweak data are …

We present an exploratory calculation of the I= 2 π π scattering amplitude at threshold using
Wilson fermions in the quenched approximation, including all the required contractions. We …

To study the CP-violation using the K 0-K¯ 0 oscillation, we need the kaon bag parameter
which represents QCD corrections in the leading Feynman diagrams. The lattice QCD …

The flavor changing and CP-violating phenomena predicted in supersymmetric unified
theories as a consequence of the large top quark Yukawa coupling, are investigated in the …

We present a calculation of the matrix elements of the most general set of ΔS= 2 dimension-
six four-fermion operators. The values of the matrix elements are given in terms of the …