Coupled , scattering in -wave and the resonance from lattice QCD
We determine elastic and coupled-channel amplitudes for isospin-1 meson-meson
scattering in P wave, by calculating correlation functions using lattice QCD with light quark …
scattering in P wave, by calculating correlation functions using lattice QCD with light quark …
Axial, scalar, and tensor charges of the nucleon from -flavor Lattice QCD
We present results for the isovector axial, scalar, and tensor charges g A ud, g S ud, and g T
ud of the nucleon needed to probe the Standard Model and novel physics. The axial charge …
ud of the nucleon needed to probe the Standard Model and novel physics. The axial charge …
Isoscalar Scattering and the Meson Resonance from QCD
We present for the first time a determination of the energy dependence of the isoscalar π π
elastic scattering phase shift within a first-principles numerical lattice approach to QCD …
elastic scattering phase shift within a first-principles numerical lattice approach to QCD …
Isovector and isoscalar tensor charges of the nucleon from lattice QCD
We present results for the isovector and flavor diagonal tensor charges g T ud, g T u, g T d,
and g T s needed to probe novel tensor interactions at the TeV scale in neutron and nuclear …
and g T s needed to probe novel tensor interactions at the TeV scale in neutron and nuclear …
Pion and kaon distribution amplitudes in the continuum limit
We present a lattice-QCD calculation of the pion, kaon, and η s distribution amplitudes using
large-momentum effective theory. Our calculation is carried out using three ensembles with …
large-momentum effective theory. Our calculation is carried out using three ensembles with …
Strongly interacting dynamics and the search for new physics at the LHC
We present results for the spectrum of a strongly interacting SU (3) gauge theory with N f= 8
light fermions in the fundamental representation. Carrying out nonperturbative lattice …
light fermions in the fundamental representation. Carrying out nonperturbative lattice …
Adaptive aggregation-based domain decomposition multigrid for twisted mass fermions
The adaptive aggregation-base domain decomposition multigrid method [A. Frommer, SIAM
J. Sci. Comput. 36, A1581 (2014)] is extended for two degenerate flavors of twisted mass …
J. Sci. Comput. 36, A1581 (2014)] is extended for two degenerate flavors of twisted mass …
Lattice finite-volume dependence of the nucleon parton distributions
There have been rapid developments in the direct calculation of the Bjorken-x dependence
of parton distribution functions (PDFs) using lattice QCD, and the technique shows …
of parton distribution functions (PDFs) using lattice QCD, and the technique shows …
Exploring strange nucleon form factors on the lattice
We discuss techniques for evaluating sea quark contributions to hadronic form factors on the
lattice and apply these to an exploratory calculation of the strange electromagnetic, axial …
lattice and apply these to an exploratory calculation of the strange electromagnetic, axial …
Phase of the fermion determinant at nonzero chemical potential
K Splittorff, JJM Verbaarschot - Physical review letters, 2007 - APS
We show that in the microscopic domain of QCD (also known as the ϵ domain) at nonzero
chemical potential the average phase factor of the fermion determinant is nonzero for μ< m …
chemical potential the average phase factor of the fermion determinant is nonzero for μ< m …