J. Tsang

activity

20142026

f_{D}

and

f_{D_{s}}

in the continuum limit of

N_{f} = 2 + 1

domain wall lattice QCD

67 citations · 223 across the 44 of their papers we have counts for

collaborators

Showing hep-latShow all

40 papers · 1 filter

hep-lat2026

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 $D$ , $D_{s}$ , $B$ , and $B_{c} \to ℓ ν_{ℓ} γ$ . We carry out our analysis on a…

hep-lat2026

$K π$ scattering as a step towards $B \to K^{*} ℓ^{+} ℓ^{-}$ from Lattice QCD

Felix Erben, Matthew Black, Peter Boyle +7

Rare $b \to s ℓ^{+} ℓ^{-}$ decays provide some of the most sensitive tests of the Standard Model and require precise and systematically improvable hadronic input from lattice QCD. F…

hep-lat2026

Isospin breaking corrections to the hadronic vacuum polarization with stochastic coordinate sampling

Mattia Bruno, Vera Gülpers, Nils Hermansson-Truedsson +3

In the recent Muon g-2 Theory Initiative white paper update, the hadronic vacuum polarization (HVP) contribution -- which dominates the theoretical uncertainty -- is evaluated as a…

hep-lat2025★ 1 cited

Application of Laplace filters to the analysis of lattice time correlators

Antonin Portelli, Justus Tobias Tsang

The analysis of lattice simulation correlation function data is notoriously hindered by the ill-conditioning of the Euclidean time covariance matrix. Additionally, the isolation of…

hep-lat2025

Lattice Calculation of Short-Range Contributions to Neutrinoless Double-Beta Decay $π^{-} \to π^{+} ee$ at Physical Pion Mass

Peter Boyle, Felix Erben, Xu Feng +7

Neutrinoless double-beta ( $0 ν β β$ ) decays provide an excellent probe for determining whether neutrinos are Dirac or Majorana fermions. The short-range matrix elements associated wit…

hep-lat2025

Status and outlook of quark flavour physics

Justus Tobias Tsang

In recent years there has been impressive progress in quark flavour physics, with current efforts tackling complicated quantities such as for example inclusive decays, decays to QC…

hep-lat2024

Absorbing discretisation effects with a massive renormalization scheme: the charm-quark mass

Luigi Del Debbio, Felix Erben, Jonathan M. Flynn +2

We present the first numerical implementation of the massive SMOM (mSMOM) renormalization scheme and use it to calculate the charm quark mass. Based on ensembles with three flavour…

hep-lat2024

Kaon mixing beyond the standard model with physical masses

Peter A. Boyle, Felix Erben, Jonathan M. Flynn +4

We present non-perturbative results for beyond the standard model kaon mixing matrix elements in the isospin symmetric limit ( $m_{u} = m_{d}$ ) of QCD, including a complete estimate of al…

hep-lat2023

Charm quark mass using a massive nonperturbative renormalisation scheme

Luigi Del Debbio, Felix Erben, Jonathan Flynn +2

We present a first numerical implementation of a massive nonperturbative renormalisation scheme, RI/mSMOM, in the study of heavy quarks using the domain-wall fermion action. In par…

hep-lat2023★ 1 cited

Extrapolating semileptonic form factors using Bayesian-inference fits regulated by unitarity and analyticity

J. M. Flynn, A. Jüttner, J. T. Tsang

We discuss our recently proposed model-independent framework for fitting hadronic form-factor data, which are often only available at discrete kinematical points, using parameteris…

hep-lat2023★ 1 cited

Towards the super Yang-Mills spectrum at large $N_{c}$

Michele Della Morte, Benjamin Jäger, Sofie Martins +2

We examine one-flavour $S U (N_{c})$ gauge theories, where $N_{c}$ denotes the number of colors, with one fermion in the antisymmetric representation as a candidate to approximate $\math…

hep-lat2023

B-physics from Lattice Gauge Theory

J. Tobias Tsang, Michele Della Morte

We discuss the main issues in dealing with heavy quarks on the lattice and shortly present the different approaches used. We discuss a selection of computations covering first the…

hep-lat2023★ 10 cited

Spectrum of QCD with one flavor: A window for supersymmetric dynamics

Michele Della Morte, Benjamin Jäger, Francesco Sannino +2

We compute the spectrum of the low-lying mesonic states with vector, scalar and pseudoscalar quantum numbers in QCD with one flavour. With three colours the fundamental and the two…

hep-lat2022

LapH interpolating fields with open boundary conditions

Michele Della Morte, Olmo Francesconi, Justus Tobias Tsang

The stochastic Laplacian Heaviside (LapH) method has proven to be successful in hadronic calculations. In this work, with charm-light spectroscopy in mind, we set up and optimise t…

hep-lat2022

Exploring the large- $N_{c}$ limit with one quark flavour

Michele Della Morte, Benjamin Jäger, Sofie Martins +3

We use one-flavour QCD ( $N_{c} = 3$ ) as a proxy to understand $N = 1$ SYM. For our simulations, we use tree-level improved Wilson fermions and Symanzik improved gauge action. T…

hep-lat2022★ 7 cited

A lattice QCD perspective on weak decays of b and c quarks Snowmass 2022 White Paper

Peter A. Boyle, Bipasha Chakraborty, Christine T. H. Davies +32

Lattice quantum chromodynamics has proven to be an indispensable method to determine nonperturbative strong contributions to weak decay processes. In this white paper for the Snowm…

hep-lat2022★ 1 cited

Neutral meson mixing in the $B_{(s)}^{0}$ sector from lattice QCD

Justus Tobias Tsang

We summarise the current status of lattice QCD computations of neutral meson parameters in the $B_{d}^{0}$ and the $B_{s}^{0}$ systems. We comment on recent results and anticipate further…

hep-lat2022

QED with massive photons for precision physics: zero modes and first result for the hadron spectrum

M. A. Clark, M. Della Morte, Z. Hall +6

The current precision reached by lattice QCD calculations of low-energy hadronic observables, requires not only the introduction of electromagnetic corrections, but also control ov…

hep-lat2022

Semileptonic $D \to π ℓ ν$ , $D \to K ℓ ν$ and $D_{s} \to K ℓ ν$ decays with 2+1f domain wall fermions

Peter Boyle, Luigi Del Debbio, Felix Erben +6

We present the status of our project to calculate $D \to π ℓ ν$ , $D \to K ℓ ν$ and $D_{s} \to K ℓ ν$ semileptonic form factors using domain wall fermions for both heavy and l…

hep-lat2021★ 1 cited

Form factors for semileptonic $B \to π$ , $B_{s} \to K$ and $B_{s} \to D_{s}$ decays

Jonathan Flynn, Ryan Hill, Andreas Juettner +3

We report on our determinations of $B \to π ℓ ν$ , $B_{s} \to K ℓ ν$ and $B_{s} \to D_{s} ℓ ν$ semileptonic form factors. In addition we discuss the determination of $R$ -ratios testin…

hep-lat2021

One Flavour QCD as an analogue computer for SUSY

Michele Della Morte, Benjamin Jäger, Francesco Sannino +2

We numerically study QCD with a single quark flavour on the lattice probing predictions from effective field theories that are equivalent to minimal super-symmetric Yang-Mills theo…

hep-lat2021★ 2 cited

BSM $B - B ˉ$ mixing on JLQCD and RBC/UKQCD $N_{f} = 2 + 1$ DWF ensembles

Peter Boyle, Luigi Del Debbio, Felix Erben +6

We are presenting our ongoing Lattice QCD study on $B - B ˉ$ mixing on several RBC/UKQCD and JLQCD ensembles with 2+1 dynamical-flavour domain-wall fermions, including physical…

hep-lat2019★ 2 cited

Semileptonic $B \to π ℓ ν$ , $B \to D ℓ ν$ , $B_{s} \to K ℓ ν$ , and $B_{s} \to D_{s} ℓ ν$ decays

Jonathan Flynn, Ryan Hill, Andreas Jüttner +3

We present updates for our nonperturbative lattice QCD calculations to determine semileptonic form factors for exclusive $B \to π ℓ ν$ , $B \to D ℓ ν$ , $B_{s} \to K ℓ ν$ , and $B_s\t…

hep-lat2019★ 1 cited

An exploratory study of heavy-light semileptonic form factors using distillation

Peter Boyle, Felix Erben, Michael Marshall +3

We present our exploratory study with the aim of simulating heavy-light semileptonic form factors as part of the RBC-UKQCD charm (to bottom) physics programme. We are using a disti…

Real radiative decays of heavy pseudoscalar mesons

Kπ scattering as a step towards B→K∗ℓ+ℓ− from Lattice QCD

Isospin breaking corrections to the hadronic vacuum polarization with stochastic coordinate sampling

Application of Laplace filters to the analysis of lattice time correlators

Lattice Calculation of Short-Range Contributions to Neutrinoless Double-Beta Decay π−→π+ee at Physical Pion Mass

Status and outlook of quark flavour physics

Absorbing discretisation effects with a massive renormalization scheme: the charm-quark mass

Kaon mixing beyond the standard model with physical masses

Charm quark mass using a massive nonperturbative renormalisation scheme

Extrapolating semileptonic form factors using Bayesian-inference fits regulated by unitarity and analyticity

Towards the super Yang-Mills spectrum at large Nc​

B-physics from Lattice Gauge Theory

Spectrum of QCD with one flavor: A window for supersymmetric dynamics

LapH interpolating fields with open boundary conditions

Exploring the large-Nc​ limit with one quark flavour

A lattice QCD perspective on weak decays of b and c quarks Snowmass 2022 White Paper

Neutral meson mixing in the B(s)0​ sector from lattice QCD

QED with massive photons for precision physics: zero modes and first result for the hadron spectrum

Semileptonic D→πℓν, D→Kℓν and Ds​→Kℓν decays with 2+1f domain wall fermions

Form factors for semileptonic B→π, Bs​→K and Bs​→Ds​ decays

One Flavour QCD as an analogue computer for SUSY

BSM B−Bˉ mixing on JLQCD and RBC/UKQCD Nf​=2+1 DWF ensembles

Semileptonic B→πℓν, B→Dℓν, Bs​→Kℓν, and Bs​→Ds​ℓν decays

An exploratory study of heavy-light semileptonic form factors using distillation

$K π$ scattering as a step towards $B \to K^{*} ℓ^{+} ℓ^{-}$ from Lattice QCD

Lattice Calculation of Short-Range Contributions to Neutrinoless Double-Beta Decay $π^{-} \to π^{+} ee$ at Physical Pion Mass

Towards the super Yang-Mills spectrum at large $N_{c}$

Exploring the large- $N_{c}$ limit with one quark flavour

Neutral meson mixing in the $B_{(s)}^{0}$ sector from lattice QCD

Semileptonic $D \to π ℓ ν$ , $D \to K ℓ ν$ and $D_{s} \to K ℓ ν$ decays with 2+1f domain wall fermions

Form factors for semileptonic $B \to π$ , $B_{s} \to K$ and $B_{s} \to D_{s}$ decays

BSM $B - B ˉ$ mixing on JLQCD and RBC/UKQCD $N_{f} = 2 + 1$ DWF ensembles

Semileptonic $B \to π ℓ ν$ , $B \to D ℓ ν$ , $B_{s} \to K ℓ ν$ , and $B_{s} \to D_{s} ℓ ν$ decays