Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Söldner, Wolfgang"'
We present results for the leptonic decay constants of the D and D$_{\rm s}$ mesons from $N_{\rm f}=2+1$ lattice QCD. We employ a set of 49 high statistics gauge ensembles generated by the Coordinated Lattice Simulations (CLS) effort utilising non-pe
Externí odkaz:
http://arxiv.org/abs/2405.04506
Autor:
Bali, Gunnar S., Collins, Sara, Heybrock, Simon, Löffler, Marius, Rödl, Rudolf, Söldner, Wolfgang, Weishäupl, Simon
Publikováno v:
Phys.Rev.D 108, 034512 (2023)
We determine the axial, scalar and tensor isovector charges of the nucleon, sigma and cascade baryons as well as the difference between the up and down quark masses, $m_u-m_d$. We employ gauge ensembles with $N_f=2+1$ non-perturbatively improved Wils
Externí odkaz:
http://arxiv.org/abs/2305.04717
Autor:
Auge, Tanja, Bali, Gunnar, Klettke, Meike, Ludäscher, Bertram, Söldner, Wolfgang, Weishäupl, Simon, Wettig, Tilo
We present a provenance model for the generic workflow of numerical Lattice Quantum Chromodynamics (QCD) calculations, which constitute an important component of particle physics research. These calculations are carried out on the largest supercomput
Externí odkaz:
http://arxiv.org/abs/2303.12640
Autor:
Bali, Gunnar, Bignell, Ryan, Francis, Anthony, Gottlieb, Steven, Gupta, Rajan, Kanamori, Issaku, Kostrzewa, Bartosz, Kotov, Andrey Yu., Kuramashi, Yoshinobu, Mawhinney, Robert, Schmidt, Christian, Söldner, Wolfgang, Sun, Peng
Publikováno v:
PoS(LATTICE2022)203
The generation of ensembles of gauge configurations is a considerable expense. The preservation and curation of these ensembles constitutes a valuable shared resource for the lattice field theory community. The organizers of Lattice 2022 dedicated a
Externí odkaz:
http://arxiv.org/abs/2212.10138
Autor:
Bali, Gunnar S., Collins, Sara, Georg, Peter, Jenkins, Daniel, Korcyl, Piotr, Schäfer, Andreas, Scholz, Enno E., Simeth, Jakob, Söldner, Wolfgang, Weishäupl, Simon
Publikováno v:
JHEP 05 (2023) 035
We determine the light baryon spectrum on ensembles generated by the Coordinated Lattice Simulations (CLS) effort, employing $N_f=2+1$ flavours of non-perturbatively improved Wilson fermions. The hadron masses are interpolated and extrapolated within
Externí odkaz:
http://arxiv.org/abs/2211.03744
Publikováno v:
PoS(LATTICE2021)548
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 spacings, rangi
Externí odkaz:
http://arxiv.org/abs/2206.04178
Publikováno v:
Phys. Rev. D 105, 054516 (2022)
We determine the leading order mesonic~($B_0$ and $F_0$) and baryonic~($m_0$, $D$ and $F$) SU(3) chiral perturbation theory low energy constants from lattice QCD. We employ gauge ensembles with $N_f=3$ (i.e., $m_u=m_d=m_s$) non-perturbatively improve
Externí odkaz:
http://arxiv.org/abs/2201.05591
Autor:
Straßberger, Ben, Cè, Marco, Collins, Sara, Gérardin, Antoine, von Hippel, Georg, Korcyl, Piotr, Korzec, Tomasz, Mohler, Daniel, Risch, Andreas, Schaefer, Stefan, Söldner, Wolfgang, Sommer, Rainer
We present an update of the scale setting for $N_f=2+1$ flavor QCD using gradient flow scales and pseudo-scalar decay constants. We analyze the latest ensembles with $2+1$ flavors of non-perturbatively improved Wilson fermions generated by CLS for im
Externí odkaz:
http://arxiv.org/abs/2112.06696
Autor:
Bali, Gunnar S., Barca, Lorenzo, Collins, Sara, Gruber, Michael, Löffler, Marius, Schäfer, Andreas, Söldner, Wolfgang, Wein, Philipp, Weishäupl, Simon, Wurm, Thomas
Publikováno v:
JHEP05 (2020) 126
We present a new analysis method that allows one to understand and model excited state contributions in observables that are dominated by a pion pole. We apply this method to extract axial and (induced) pseudoscalar nucleon isovector form factors, wh
Externí odkaz:
http://arxiv.org/abs/1911.13150
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