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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 particular, we calculate renormalisation constants for fermion…

High Energy Physics - Lattice · Physics 2023-12-29 Luigi Del Debbio , Felix Erben , Jonathan Flynn , Rajnandini Mukherjee , J. Tobias Tsang

We present our preliminary result for the charmed quark mass, which follows from taking the D_s and K meson masses from experiment and r0=0.5 fm (or, equivalently F_K=160 MeV) to set the scale. For the renormalization group invariant quark…

High Energy Physics - Phenomenology · Physics 2015-06-25 Juri Rolf , Stefan Sint

We present preliminary results for the charm quark mass $m_c$ and the $D$ and $D_s$ mesons decay constants $f_D$ and $f_{D_s}$ from a lattice QCD calculation with ${\rm N_f}$ = 2 dynamical fermions. We use the twisted mass fermionic action…

High Energy Physics - Lattice · Physics 2008-11-26 B. Blossier , G. Herdoiza , S. Simula

We present a first calculation of the strange quark mass using domain wall fermions. This paper contains an overview of the domain wall discretization and a pedagogical presentation of the perturbative calculation necessary for computing…

High Energy Physics - Lattice · Physics 2009-10-31 Tom Blum , Amarjit Soni , Matthew Wingate

We use overlap fermions as valence quarks to calculate meson masses in a wide quark mass range on the $2+1$-flavor domain-wall fermion gauge configurations generated by the RBC and UKQCD Collaborations. The well-defined quark masses in the…

We introduce a new massive renormalization scheme, denoted mSMOM, as a modification of the existing RI/SMOM scheme. We use SMOM for defining renormalized fermion bilinears in QCD at non-vanishing fermion mass. This scheme has properties…

High Energy Physics - Lattice · Physics 2016-08-30 Peter Boyle , Luigi Del Debbio , Ava Khamseh

We present a calculation of the up, down, strange and charm quark masses performed within the lattice QCD framework. We use the twisted mass fermion action and carry out simulations that include in the sea two light mass-degenerate quarks,…

We determine the charm and strange quark masses in the $\overline{\text{MS}}$ scheme, using $n_f=2+1+1$ lattice QCD calculations with highly improved staggered quarks (HISQ) and the RI-SMOM intermediate scheme to connect the bare lattice…

High Energy Physics - Lattice · Physics 2018-08-08 A. T. Lytle , C. T. H. Davies , D. Hatton , G. P. Lepage , C. Sturm

A detailed error analysis is carried out for the determination of the MSbar charm quark mass $\bar m_c(\bar m_c)$ from moments at order alpha_s^2 of the charm cross section in e^+e^- annihilation. To estimate the theoretical uncertainties…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. H. Hoang , M. Jamin

We present the determination of the charm quark mass, the masses, and decay constants of charmed mesons using thirteen 2+1 flavor gauge ensembles at five different lattice spacings $a\in[0.05,0.11]$ fm, 8 pion masses $m_{\pi}\in(130,360)$…

High Energy Physics - Lattice · Physics 2025-01-10 Hai-Yang Du , Bolun Hu , Mengchu Cai , Ying Chen , Heng-Tong Ding , Xiangyu Jiang , Chuan Liu , Liuming Liu , Yu Meng , Peng Sun , Ji-Hao Wang , Yi-Bo Yang , Dian-Jun Zhao

We present a lattice determination of the charm quark's mass, using the mass of the D_s meson as experimental input. All errors are under control with the exception of the quenched approximation. Setting the scale with F_K=160 MeV, our…

High Energy Physics - Phenomenology · Physics 2009-11-07 Juri Rolf , Stefan Sint

Due to the attractive features that domain wall fermions possess with respect to chiral symmetry, we continue our investigation of the light quark masses with this discretization. Achieving reliable results, especially for $(m_u + m_d)/2$,…

High Energy Physics - Lattice · Physics 2015-06-25 Matthew Wingate

We present a determination of the charm quark mass in lattice QCD with three active quark flavours. The calculation is based on PCAC masses extracted from $N_\mathrm{f}=2+1$ flavour gauge field ensembles at five different lattice spacings…

High Energy Physics - Lattice · Physics 2021-06-07 Jochen Heitger , Fabian Joswig , Simon Kuberski

We present preliminary results for the charm quark mass in the $N_f=4$ RGI scheme. These were obtained using $N_f=2+1$ CLS ensembles with $\mathcal{O}(a)$ non-perturbatively improved Wilson fermions. We employed five different lattice…

High Energy Physics - Lattice · Physics 2022-06-10 Gunnar Bali , Sjoerd Bouma , Sara Collins , Wolfgang Söldner

We take a new approach to determine the scale parameter $r_0$, the physical masses of strange and charm quarks through a global fit which incorporates continuum extrapolation, chiral extrapolation and quark mass interpolation to the lattice…

High Energy Physics - Lattice · Physics 2014-01-08 Y. B. Yang , Y. Chen , A. Alexandru , S. J. Dong , T. Draper , M. Gong , F. X. Lee , A. Li , K. F. Liu , Z. Liu , M. Lujan , N. Mathur

The MSbar charm quark mass is determined to be m_c(m_c)=1224+-17+-54 MeV from a global fit to inclusive B meson decay data, where the first error is experimental, and includes the uncertainty in alpha_s, and the second is an estimate of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andre H. Hoang , Aneesh V. Manohar

We present RBC/UKQCD's charm project using $N_f=2+1$ flavour ensembles with inverse lattice spacings in the range $1.73-2.77\,\mathrm{GeV}$ and two physical pion mass ensembles. Domain wall fermions are used for the light as well as the…

High Energy Physics - Lattice · Physics 2016-11-22 Peter Boyle , Luigi Del Debbio , Andreas Jüttner , Ava Khamseh , Francesco Sanfilippo , Justus Tobias Tsang , Oliver Witzel

We present the results of the recent high precision lattice calculation of the average up/down, strange and charm quark masses performed by ETMC with Nf=2 twisted mass Wilson fermions. The analysis includes data at four values of the…

High Energy Physics - Lattice · Physics 2011-04-22 B. Blossier , P. Dimopoulos , R. Frezzotti , V. Lubicz , M. Petschlies , G. C. Rossi , F. Sanfilippo , S. Simula , C. Tarantino

In this talk we discuss results of a new extraction of the MS-bar charm quark mass using relativistic QCD sum rules at O(as**3) based on moments of the vector and the pseudoscalar current correlators and using the available experimental…

High Energy Physics - Phenomenology · Physics 2014-11-21 Bahman Dehnadi , Andre H. Hoang , Vicent Mateu

In this work, we investigate the mass corrections of the doubly charmed baryons up to $N^2LO$ in the extended-on-mass-shell (EOMS) renormalization scheme, comparing with the results of heavy baryon chiral perturbation theory. We find that…

High Energy Physics - Phenomenology · Physics 2016-05-11 Zhi-Feng Sun , M. J. Vicente Vacas
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