280 citations · 3.3k across the 88 of their papers we have counts for
51 papers · 1 filter
Transverse-Momentum-Dependent Wave Functions of Pion from Lattice QCD
Min-Huan Chu, Jin-Chen He, Jun Hua +11
We present a first lattice QCD calculation of the transverse-momentum-dependent wave functions (TMDWFs) of the pion using large-momentum effective theory. Numerical simulations are…
Nucleon Transversity Distribution in the Continuum and Physical Mass Limit from Lattice QCD
Fei Yao, Lisa Walter, Jiunn-Wei Chen +13
We report a state-of-the-art lattice QCD calculation of the isovector quark transversity distribution of the proton in the continuum and physical mass limit using large-momentum ef…
Nonperturbative Determination of Collins-Soper Kernel from Quasi Transverse-Momentum Dependent Wave Functions
Min-Huan Chu, Zhi-Fu Deng, Jun Hua +10
In the framework of large-momentum effective theory at one-loop matching accuracy, we perform a lattice calculation of the Collins-Soper kernel which governs the rapidity evolution…
RI/MOM renormalization of the quasi-PDF in lattice regularization
Kuan Zhang, Yuan-Yuan Li, Yi-Kai Huo +3
We analyze the lattice spacing dependence for the pion unpolarized matrix element of a quark bilinear operator with Wilson link (quasi-PDF operator) in the rest frame, using 13 lat…
Light-cone distribution amplitudes of octet baryons from lattice QCD
Gunnar S. Bali, Vladimir M. Braun, Simon Bürger +9
We present lattice QCD results for the wave function normalization constants and the first moments of the distribution amplitudes for the lowest-lying baryon octet. The analysis is…
Nucleon generalized form factors from two-flavor lattice QCD
Gunnar S. Bali, Sara Collins, Meinulf Göckeler +3
We determine the generalized form factors, which correspond to the second Mellin moment (i.e., the first -moment) of the generalized parton distributions of the nucleon at leadi…
Lattice study of Rényi entanglement entropy in lattice Yang-Mills theory with
Andreas Rabenstein, Norbert Bodendorfer, Pavel Buividovich +1
We consider the second Rényi entropy in pure lattice gauge theory with , and gauge groups, which serves as a first approximation for the entangleme…
Pion and Kaon Distribution Amplitudes from lattice QCD: towards the continuum limit
Gunnar S. Bali, Vladimir M. Braun, Meinulf Göckeler +5
We present the current status of a non-perturbative lattice calculation of the moments of the pion and kaon distribution amplitudes by the RQCD collaboration. Our investigation is…
Pion distribution amplitude from Euclidean correlation functions: Exploring universality and higher-twist effects
Gunnar S. Bali, Vladimir M. Braun, Benjamin Gläßle +7
Building upon our recent study arXiv:1709.04325, we investigate the feasibility of calculating the pion distribution amplitude from suitably chosen Euclidean correlation functions…
Masses and decay constants of the and from lattice QCD close to the physical point
Gunnar S. Bali, Sara Collins, Antonio Cox +1
We perform a high statistics study of the and charmed-strange mesons, and , respectively. The effects of the nearby and $D…
Towards the continuum limit with improved Wilson fermions employing open boundary conditions
Gunnar S. Bali, Sara Collins, Fabian Hutzler +7
We present selected results obtained by RQCD from simulations of flavours of non-perturbatively improved Wilson fermions, employing open boundary conditi…
Leptonic decay-constant ratio from lattice QCD using 2+1 clover-improved fermion flavors with 2-HEX smearing
Stephan Dürr, Zoltán Fodor, Christian Hoelbling +8
We present a calculation of the leptonic decay-constant ratio in 2+1 flavor QCD. Our data set includes five lattice spacings and pion masses reaching down below the physi…
Nucleon isovector couplings from lattice QCD
Gunnar S. Bali, Sara Collins, Benjamin Glässle +7
We compute the axial, scalar, tensor and pseudoscalar isovector couplings of the nucleon as well as the induced tensor and pseudoscalar charges in lattice simulations with …
Determination of SU(2) ChPT LECs from 2+1 flavor staggered lattice simulations
Enno E. Scholz, Szabolcs Borsanyi, Stephan Durr +4
By fitting pion masses and decay constants from 2+1 flavor staggered lattice simulations to the predictions of NLO and NNLO SU(2) chiral perturbation theory we determine the low-en…
Sigma term and strangeness content of octet baryons
S. Durr, Z. Fodor, T. Hemmert +11
By using lattice QCD computations we determine the sigma terms and strangeness content of all octet baryons by means of an application of the Hellmann-Feynman theorem. In addition…
Nucleon form factors and structure functions
S. Collins, M. Göckeler, Ph. Hägler +13
We give an update on our ongoing efforts to compute the nucleon's form factors and moments of structure functions using Nf=2 flavours of non-perturbatively improved Clover fermions…
A lattice Dirac operator for QCD with light dynamical quarks
Nigel Cundy, Tony Kennedy, Andreas Schäfer
In QCD chiral symmetry is explicitly broken by quark masses, the effect of which can be described reliably by chiral perturbation theory. Effects of explicit chiral symmetry breaki…
Some results on excited hadrons in 2-flavor QCD
Georg P. Engel, C. B. Lang, Markus Limmer +2
Results of hadron spectroscopy with two dynamical mass-degenerate chirally improved quarks are presented. Three ensembles with pion masses of 322(5), 470(4) and 525(7) MeV, lattice…
Meson and baryon spectrum for QCD with two light dynamical quarks
Georg P. Engel, C. B. Lang, Markus Limmer +2
We present results of meson and baryon spectroscopy using the Chirally Improved Dirac operator on lattices of size 16**3 x 32 with two mass-degenerate light sea quarks. Three ensem…
Low and high spin mesons from Clover-Wilson lattices
Tommy Burch, Christian Hagen, Martin Hetzenegger +1
We present results for excited meson spectra from clover-Wilson configurations provided by the CP-PACS Collaboration. In our study we investigate both low and high spin mes…
Hadron Spectroscopy with Dynamical Chirally Improved Fermions
Christof Gattringer, Christian Hagen, C. B. Lang +3
We simulate two dynamical, mass degenerate light quarks on 16^3x32 lattices with a spatial extent of 2.4 fm using the Chirally Improved Dirac operator. The simulation method, the i…
Transverse momentum distributions of quarks in the nucleon from Lattice QCD
Bernhard U. Musch, Philipp Hägler, Andreas Schäfer +3
Transverse momentum dependent parton distribution functions (TMDPDFs) encode information about the intrinsic motion of quarks inside the nucleon. They are important non-perturbativ…
Hunting for the strangeness content of the nucleon
Gunnar Bali, Sara Collins, Andreas Schäfer
We present results for the strangeness contribution to the nucleon, <N|ss|N>, and to the spin of the nucleon, Delta s. By combining several variance reduction techniques for all-to…
Non-perturbative renormalization of three-quark operators
M. Göckeler, R. Horsley, T. Kaltenbrunner +8
High luminosity accelerators have greatly increased the interest in semi-exclusive and exclusive reactions involving nucleons. The relevant theoretical information is contained in…