bc\,q1q2four-quark states from Lattice QCDWe present the results of a lattice calculation of four-quark states with the quark contents bcq1q2 where q1,q2 ∈ u,d,s. For the spin 1 states, when the light quark (q1, q2)…M. Padmanath, Nilmani Mathur·Nov 1, 2021SaveLearn
Connecting Matrix Elements to Multi-Hadron Form-FactorsWe discuss developments in calculating multi-hadron form-factors and transition processes via lattice QCD. Our primary tools are finite-volume scaling relations, which map spectra and matrix elements…Andrew W. Jackura·Nov 1, 2021SaveLearn
First study of twist-3 PDFs for the proton from lattice QCDIn these proceedings, we summarize the main results from the first-ever calculations of the chiral-even and chiral-odd twist-3 parton distributions, gT(x) and hL(x), of the proton from lattice…Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou et al.·Nov 1, 2021SaveLearn
Symmetric Mass Generation in Lattice Gauge TheoryWe construct a four dimensional lattice gauge theory in which fermions acquire mass without breaking symmetries as a result of gauge interactions. Our model consists of reduced staggered fermions…Nouman Butt, Simon Catterall, Goksu Can Toga·Nov 1, 2021SaveLearn
Bulk-preventing actions for SU(N) gauge theoriesWe introduce a one-parameter family of SU(N) gauge actions which, when used in combination with an HMC update algorithm, prevent the gauge system from entering an artificial bulk-"phase". We briefly…Tobias Rindlisbacher, Kari Rummukainen, Ahmed Salami·Nov 1, 2021SaveLearn
Meson thermal masses at different temperaturesWe determine the ground state meson masses at low temperature using simulations with 2+1 flavours of improved Wilson-clover fermions. Subsequently we study the effect of increasing the temperature…Sergio Chaves García-Mascaraque, Gert Aarts, Chris Allton et al.·Nov 1, 2021SaveLearn
Lattice calculation of c0 → 2γ decay widthWe perform a lattice QCD calculation of the c0 → 2γ decay width using a model-independent method which does not require a momentum extrapolation of the corresponding off-shell…Zuoheng Zou, Yu Meng, Chuan Liu·Nov 1, 2021SaveLearn
Calculation of kaon semileptonic form factor with the PACS10 configurationWe present preliminary results for the kaon semileptonic form factors using the PACS10 configurations, whose physical volume is more than (10 fm)3 at the physical point with the lattice spacings…Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka et al.·Nov 1, 2021SaveLearn
Hybrid static potentials in SU(3) lattice gauge theory at small quark-antiquark separationsWe compute the u and u- hybrid static potentials in SU(3) lattice gauge theory using four different lattice spacings ranging from a = 0.040\,fm to a = 0.093\,fm. We…Carolin Schlosser, Marc Wagner·Nov 1, 2021SaveLearn
Generative learning for the problem of critical slowing down in lattice Gross Neveu modelIn lattice field theory, Monte Carlo simulation algorithms get highly affected by critical slowing down in the critical region, where autocorrelation time increases rapidly. Hence the cost of…Ankur Singha, Dipankar Chakrabarti, Vipul Arora·Oct 31, 2021SaveLearn
Gliding down the QCD transition line, from Nf=2 till the onset of conformalityWe review the hot QCD transition with varying number of flavors, from two till the onset of the conformal window. We discuss the universality class for Nf=2, along the critical line for two…A. Yu. Kotov, M. P. Lombardo, A. Trunin·Oct 31, 2021SaveLearn
Perturbative study of the Gluino-Glue operator in SYMWe investigate the renormalization of the Gluino-Glue operator, using both Lattice Perturbation Theory (LPT) and a Gauge Invariant Renormalization Scheme (GIRS). The latter scheme involves…Marios Costa, George Panagopoulos, Haralambos Panagopoulos et al.·Oct 31, 2021SaveLearn
The Polyakov loop models in the large N limit: Phase diagram at finite densityThe 't Hooft-Veneziano limit of various U(N) and SU(N) Polyakov loop models is constructed at finite temperature and non-zero baryon chemical potential. In this paper we calculate the free energy,…O. Borisenko, V. Chelnokov, S. Voloshyn·Oct 31, 2021SaveLearn
Large N simulation of the twisted reduced matrix model with an adjoint Majorana fermionTo investigate the properties of the large N limit of N = 1 SUSY Yang-Mills theory, we have started a study for a reduced matrix model with an adjoint Majorana fermion. The gauge action…Pietro Butti, Margarita García Pérez, Antonio González-Arroyo et al.·Oct 31, 2021SaveLearn
Efficient computations of continuous action densities of states for lattice modelsThe Logarithmic Linear Relaxation (LLR) algorithm is an efficient method for computing densities of states for systems with a continuous spectrum. A key feature of this method is exponential error…Biagio Lucini, Olmo Francesconi, Markus Holzmann et al.·Oct 30, 2021SaveLearn
Introducing Fermionic Link ModelsQuantum link models (QLMs) are extensions of Wilson-type lattice gauge theories, and show rich physics beyond the phenomena of conventional Wilson gauge theories. Here we explore the physics of…Debasish Banerjee, Emilie Huffman, Lukas Rammelmüller·Oct 30, 2021SaveLearn
Lattice QCD results for the topological up-quark mass contribution: too small to rescue the mu=0 solution to the strong CP problemA vanishing Yukawa coupling of the up quark could in principle solve the strong CP problem. To render this solution consistent with current algebra results, the up quark must receive an alternative…Constantia Alexandrou, Jacob Finkenrath, Lena Funcke et al.·Oct 30, 2021SaveLearn
Contribution to understanding the phase structure of strong interaction matter: Lee-Yang edge singularities from lattice QCDWe present a calculation of the net baryon number density as a function of imaginary baryon number chemical potential, obtained with highly improved staggered quarks (HISQ) at temporal lattice extent…P. Dimopoulos, L. Dini, F. Di Renzo et al.·Oct 29, 2021SaveLearn
Structure-Dependent Electromagnetic Finite-Size EffectsWe present a model-independent and relativistic approach to analytically derive electromagnetic finite-size effects beyond the point-like approximation. The key element is the use of electromagnetic…Matteo Di Carlo, Maxwell T. Hansen, Nils Hermansson-Truedsson et al.·Oct 29, 2021SaveLearn
The electroweak Hamiltonian in the gradient flow formalismOver the last decade the gradient flow formalism has become an important tool for lattice simulations of Quantum Chromodynamics. It offers remarkable renormalization properties which pave the way for…Robert Harlander, Fabian Lange·Oct 29, 2021SaveLearn
ππ scattering at Large NcWe study the Large Nc scaling of pion-pion scattering amplitudes for Nf=4 degenerate quark flavors. We focus on the standard isospin-2 channel and the adjoint-antisymmetric (AA)…Jorge Baeza-Ballesteros, Pilar Hernández, Fernando Romero-López·Oct 29, 2021SaveLearn
Exploring SU(3)-Higgs theoriesThe requirement of manifest gauge invariance leads to a conflict between perturbative and non-perturbative predictions for the low-energy spectra of grand-unified theories. These conflicts already…Elizabeth Dobson, Axel Maas, Bernd Riederer·Oct 29, 2021SaveLearn
CP-violating Dashen phase transition in the two-flavor Schwinger model: a study with matrix product statesWe numerically study the Hamiltonian lattice formulation of the two-flavor Schwinger model using matrix product states. Keeping the mass of the first flavor at a fixed positive value, we tune the…Lena Funcke, Karl Jansen, Stefan Kühn·Oct 29, 2021SaveLearn
Approaching the master-field: Hadronic observables in large volumesThe master-field approach to lattice QCD envisions performing calculations on a small number of large-volume gauge-field configurations. Substantial progress has been made recently in the generation…Marco Cè, Mattia Bruno, John Bulava et al.·Oct 28, 2021SaveLearn
Localisation of Dirac modes in finite-temperature Z2 gauge theory on the latticeThe low-lying Dirac modes become localised at the finite-temperature transition in QCD and in other gauge theories, suggesting a general connection between their localisation and deconfinement. The…György Baranka, Matteo Giordano·Oct 28, 2021SaveLearn