343 citations · 2.6k across the 53 of their papers we have counts for
28 papers · 1 filter
Efficient lattice QCD computation of radiative-leptonic-decay form factors at multiple positive and negative photon virtualities
Davide Giusti, Christopher F. Kane, Christoph Lehner +2
In previous work Phys. Rev. D 107, 074507 (2023), we showed that form factors for radiative leptonic decays of pseudoscalar mesons can be determined efficiently and with high preci…
Long-distance contribution to from lattice QCD
Ziyuan Bai, Norman H. Christ, Joseph M. Karpie +3
A lattice QCD approach to the calculation of the long-distance contributions to is presented. This parameter describes indirect CP violation in decay. While the shor…
Erratum: Standard-model prediction for direct CP violation in decay
Z. Bai, T. Blum, P. A. Boyle +11
In this document we address an error discovered in the ensemble generation for our calculation of the amplitude (Phys. Rev. Lett. 115, 212001 (2015), arXiv:1505.0786…
Domain wall QCD with physical quark masses
RBC, UKQCD collaborations, : +21
We present results for several light hadronic quantities (, , , , , , ) obtained from simulations of 2+1 flavor domain wall lattice QCD…
to Decay amplitudes from Lattice QCD
T. Blum, P. A. Boyle, N. H. Christ +11
We report a direct lattice calculation of the to decay matrix elements for both the and 3/2 amplitudes and on 2+1 flavor, domain wall fermion, $16^3\t…
The and mesons from Lattice QCD
N. H. Christ, C. Dawson, T. Izubuchi +6
The large mass of the ninth pseudoscalar meson, the , is believed to arise from the combined effects of the axial anomaly and the gauge field topology present in QCD. We…
Non-perturbative renormalization of quark bilinear operators and B_K using domain wall fermions
Y. Aoki, P. A. Boyle, N. H. Christ +11
We present a calculation of the renormalization coefficients of the quark bilinear operators and the K-Kbar mixing parameter B_K. The coefficients relating the bare lattice operato…
Kl3 semileptonic form factor from 2+1 flavour lattice QCD
P. A. Boyle, A. Jüttner, R. D. Kenway +5
We present the first results for the Kl3 form factor from simulations with 2+1 flavours of dynamical domain wall quarks. Combining our result, namely f_+(0)=0.964(5), with the late…
2+1 flavor domain wall QCD on a (2 fm)^3 lattice: light meson spectroscopy with Ls = 16
C. Allton, D. J. Antonio, T. Blum +27
We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and…
K\toπl νform factor with N_f=2+1 dynamical domain wall fermions
D. J. Antonio, P. A. Boyle, C. Dawson +7
We present the latest results from the UKQCD/RBC collaborations for the K_{l3} form factor with 2+1 flavours of dynamical domain wall quarks. Simulations are performed on 16^3x32x1…
Systematic effects of the quenched approximation on the strong penguin contribution to epsilon'/epsilon
C. Aubin, N. H. Christ, C. Dawson +4
We discuss the implementation and properties of the quenched approximation in the calculation of the left-right, strong penguin contributions (i.e. Q_6) to epsilon'/epsilon. The co…
Calculation of the neutron electric dipole moment with two dynamical flavors of domain wall fermions
F. Berruto, T. Blum, K. Orginos +1
We present a study of the neutron electric dipole moment () within the framework of lattice QCD with two flavors of dynamical lig ht quarks. The dipole moment is sensitiv…
Lattice QCD with two dynamical flavors of domain wall quarks
Y. Aoki, T. Blum, N. Christ +11
We present results from the first large-scale study of two flavor QCD using domain wall fermions (DWF), a chirally symmetric fermion formulation which has proven to be very effecti…
Kaon Matrix Elements and CP-violation from Quenched Lattice QCD: (I) the 3-flavor case
T. Blum, P. Chen, N. Christ +12
We report the results of a calculation of the K --> pi pi matrix elements relevant for the $\DIhalf$ rule and $\epe$ in quenched lattice QCD using domain wall fermions at a fixed l…
Non-perturbative Renormalisation of Domain Wall Fermions: Quark Bilinears
T. Blum, N. Christ, C. Cristian +9
We find the renormalisation coefficients of the quark field and the flavour non-singlet fermion bilinear operators for the domain wall fermion action, in the regularisation indepen…
Quenched Lattice QCD with Domain Wall Fermions and the Chiral Limit
T. Blum, P. Chen, N. Christ +16
Quenched QCD simulations on three volumes, , and and three couplings, , 5.85 and 6.0 using domain wall fermions provide a consiste…
SU(3) Flavor Breaking in Hadronic Matrix Elements for Oscillations
C. Bernard, T. Blum, A. Soni
Results in the quenched approximation for SU(3) breaking ratios of the heavy-light decay constants and the mixing matrix elements are reported. Using lattice simulations at…
Lattice QCD with domain wall quarks and applications to weak matrix elements
T. Blum, A. Soni Brookhaven National Lab
Using domain wall fermions, we estimate in quenched QCD which is consistent with previous calculations. At $\gbeta=6.0$ and 5.85 we find the ratio $…
Heavy-light decay constants---MILC results with the Wilson action
MILC Collaboration, Claude Bernard, Tom Blum +11
We present the current status of our ongoing calculations of pseudoscalar meson decay constants for mesons that contain one light and one heavy quark (f_B, f_{B_s}, f_D, f_{D_s}).…
Domain wall quarks and kaon weak matrix elements
T. Blum, A. Soni
We present lattice calculations of kaon matrix elements with domain wall fermions. Using lattices with beta=5.85, 6.0, and 6.3, we estimate B_K(approx 2 GeV)=0.628(47) in quenched…
QCD with domain wall quarks
T. Blum, A. Soni
We present lattice calculations in QCD using a variant of Kaplan fermions which retain the continuum SU(N)xSU(N) chiral symmetry on the lattice in the limit of an infinite extra di…
SU(3) Flavor Breaking in Hadronic Matrix Elements for Oscillations
C. Bernard, T. Blum, A. Soni
We present an analysis, using quenched configurations at 5.7, 5.85, 6.0, and 6.3 of the matrix element $\MP\equiv\langle \bar P_{hl}|\bar h γ_μ(1-γ_5)l \bar h γ_μ(1-γ_5)l|P…
Update on
The MILC Collaboration, C. Bernard, T. Blum +11
We describe the current status of the MILC collaboration computation of , , , and their ratios. Progress over the past year includes: better statistics…
Weak Matrix Elements on the Lattice --- Circa 1995
A. Soni
Status of weak matrix elements is reviewed. In particular, $\epspeps$, $\bkastg$, , and are discussed and the overall situation with respect to the lattice eff…