76 citations · 80 across the 16 of their papers we have counts for
16 papers · 1 filter
Smeared spectral functions from lattice QCD: opportunities and challenges
Shoji Hashimoto
A broad class of physical observables can be expressed in terms of smeared spectral functions. Important examples include the hadronic vacuum polarization contribution to the muon…
Spectral reconstruction from Euclidean lattice correlators through singular value decomposition
Ryutaro Tsuji, Shoji Hashimoto
Reconstructing spectral densities from Euclidean lattice correlators requires an inverse Laplace transform, which is inherently ill-conditioned when applied to numerical data with…
Study on the systematic effects on inclusive semileptonic decays
Alessandro Barone, Ahmed Elgaziari, Shoji Hashimoto +4
We discuss the calculation of the inclusive semileptonic decay for the process using lattice QCD. This calculation could be decisive in understanding the lon…
Real radiative decays of heavy pseudoscalar mesons
Teseo San Jose, Yasumichi Aoki, Matteo Di Carlo +9
We report our ongoing lattice QCD study of radiative leptonic decays of the charged pseudoscalar mesons , , , and . We carry out our analysis on a…
Inclusive and exclusive semileptonic decays of heavy mesons on the lattice
Zhi Hu, Alessandro Barone, Ahmed Elgaziari +4
We report the recent progress from our group in extracting observables of both inclusive and exclusive semileptonic heavy-meson decays directly from lattice QCD four-point correlat…
Unbiased Krylov subspace method for the extraction of ground state from lattice correlators
Ryutaro Tsuji, Shoji Hashimoto, Ryan Kellermann
Ground-state energy and matrix element are reconstructed from correlators in lattice QCD by diagonalizing transfer matrix within the Krylov subspace spanned by $\hat{T}^n…
Inclusive semileptonic decays from lattice QCD: analysis of systematic effects
Ryan Kellermann, Alessandro Barone, Ahmed Elgaziari +4
Lattice QCD calculations of inclusive semileptonic decay rates involve new types of systematic effects, such as truncation errors in the estimation of energy integrals, or finite-v…
Study on the -wave form factors contributing to to inclusive semileptonic decays from lattice simulations
Zhi Hu, Alessandro. Barone, Ahmed Elgaziari +4
We present a pilot study on extracting the form factors of the semileptonic decay of a meson to the -wave states from four-point correlators. With the…
Systematic effects in the lattice calculation of inclusive semileptonic decays
Ryan Kellermann, Alessandro Barone, Ahmed Elgaziari +4
We report on the calculation of the inclusive semileptonic decay of the meson on the lattice. We simulate the process with Möbius domain-wall…
Updates on inclusive charmed and bottomed meson decays from the lattice
Ryan Kellermann, Alessandro Barone, Shoji Hashimoto +2
With the development of lattice QCD in recent years, a determination of decay rates for inclusive semileptonic decays from lattice correlators now seems viable. We report on the ca…
Exploring the QCD phase diagram with three flavors of Möbius domain wall fermions
Yu Zhang, Yasumichi Aoki, Shoji Hashimoto +3
We present an update on the study of the QCD phase transition with 3 flavors of Möbius domain wall fermions at zero baryon density. We performed simulations on lattices of size $36…
form factors from lattice QCD with domain-wall heavy quarks
Protick Mohanta, Takashi Kaneko, Shoji Hashimoto
We report on our on-going study of the decay in lattice QCD. We employ fully relativistic setup in which the Möbius domain-wall action is used for all qu…
Chebyshev and Backus-Gilbert reconstruction for inclusive semileptonic -meson decays from Lattice QCD
Alessandro Barone, Shoji Hashimoto, Andreas Jüttner +2
We present a study on the nonperturbative calculation of observables for inclusive semileptonic decays of mesons using lattice QCD. We focus on the comparison of two diff…
On the study of inclusive semileptonic decays of -meson from lattice QCD
Paolo Gambino, Shoji Hashimoto, Sandro Mächler +5
In this contribution we describe a recent study focused on the lattice calculation of inclusive decay rates of heavy mesons. We show how the inclusive calculation can be achieved s…
Studies on finite-volume effects in the inclusive semileptonic decays of charmed mesons
Ryan Kellermann, Alessandro Barone, Shoji Hashimoto +2
We report on the calculation of the inclusive semileptonic decay of the meson on the lattice. We simulate the process with Möbius domain-wall…
Inclusive semi-leptonic decays from lattice QCD
Paolo Gambino, Shoji Hashimoto
We develop a method to compute inclusive semi-leptonic decay rate of hadrons fully non-perturbatively using lattice QCD simulations. The sum over all possible final states is achie…