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Heavy quark diffusion coefficient with gradient flow
Viljami Leino, Nora Brambilla, Julian Mayer-Steudte +1
The heavy quark diffusion coefficient is encoded in the spectral functions of the chromo-electric and the chromo-magnetic correlators, of which the latter describes the T/M contrib…
Charm mass effects in the static energy computed in 2+1+1 flavor lattice QCD
Johannes Heinrich Weber, Nora Brambilla, Rafael L. Delgado +5
We report our analysis for the static energy in (2+1+1)-flavor QCD over a wide range of lattice spacings and several quark masses. We obtain results for the static energy out to di…
Unpolarized proton PDF at NNLO from lattice QCD with physical quark masses
Xiang Gao, Andrew D. Hanlon, Jack Holligan +5
We present a lattice QCD calculation of the unpolarized isovector quark parton distribution function (PDF) of the proton utilizing a perturbative matching at next-to-next-to-leadin…
Equation of state and speed of sound of (2+1)-flavor QCD in strangeness-neutral matter at non-vanishing net baryon-number density
D. Bollweg, D. A. Clarke, J. Goswami +6
We update results on the QCD equation of state in (2+1)-flavor QCD with non-zero conserved charge chemical potentials obtained from an eighth-order Taylor series. We present result…
Static quark anti-quark interactions at non-zero temperature from lattice QCD
Gaurang Parkar, Dibyendu Bala, Olaf Kaczmarek +5
We present results on the in-medium interactions of static quark anti-quark pairs using realistic 2+1 HISQ flavor lattice QCD. Focus is put on the extraction of spectral informatio…
Continuum-extrapolated NNLO Valence PDF of Pion at the Physical Point
Xiang Gao, Andrew D. Hanlon, Nikhil Karthik +7
We present lattice QCD calculations of valence parton distribution function (PDF) of pion employing next-to-next-leading-order (NNLO) perturbative QCD matching. Our calculations ar…
Lattice QCD and Particle Physics
Andreas S. Kronfeld, Tanmoy Bhattacharya, Thomas Blum +79
Contribution from the USQCD Collaboration to the Proceedings of the US Community Study on the Future of Particle Physics (Snowmass 2021).
Chiral condensate from a hadron resonance gas model
Deeptak Biswas, Peter Petreczky, Sayantan Sharma
In this work we address the question of how well the chiral crossover transition can be understood in terms of a noninteracting hadron resonance gas model. Using the latest results…
Pion distribution amplitude at the physical point using the leading-twist expansion of the quasi-distribution-amplitude matrix element
Xiang Gao, Andrew D. Hanlon, Nikhil Karthik +5
We present a lattice QCD determination of the distribution amplitude (DA) of the pion and the first few Mellin moments from an analysis of the quasi-DA matrix element within the le…
Static Energy in ()-Flavor Lattice QCD: Scale Setting and Charm Effects
TUMQCD Collaboration, Nora Brambilla, Rafael L. Delgado +6
We present results for the static energy in ()-flavor QCD over a wide range of lattice spacings and several quark masses, including the physical quark mass, with ensembles o…
Heavy quark diffusion coefficient with gradient flow
Nora Brambilla, Viljami Leino, Julian Mayer-Steudte +1
We calculate chromo-electric and chromo-magnetic correlators in quenched QCD at and with the aim to estimate the heavy quark diffusion coefficient at leading or…
Lattice QCD Calculations of Parton Physics
Martha Constantinou, Luigi Del Debbio, Xiangdong Ji +12
In this document, we summarize the status and challenges of calculating parton physics in lattice QCD for the US Particle Physics Community Planning Exercise (a.k.a. "Snowmass"). W…
Taylor expansions and Padé approximants for cumulants of conserved charge fluctuations at non-vanishing chemical potentials
D. Bollweg, J. Goswami, O. Kaczmarek +5
Using high statistics datasets generated in (2+1)-flavor QCD calculations at finite temperature we present results for low order cumulants of net baryon-number fluctuations at non-…