Investigating efficient methods for computing four-quark correlation functionsWe discuss and compare the efficiency of various methods, combinations of point-to-all propagators, stochastic timeslice-to-all propagators, the one-end trick and sequential propagators, to compute…Abdou Abdel-Rehim, Constantia Alexandrou, Joshua Berlin et al.·Jan 25, 2017SaveLearn
Electromagnetic Form Factors of Excited Nucleons via Parity-Expanded Variational AnalysisVariational analysis techniques in lattice QCD are powerful tools that give access to the excited state spectrum of QCD. At zero momentum, these techniques are well established and can cleanly…Finn M. Stokes, Waseem Kamleh, Derek B. Leinweber et al.·Jan 25, 2017SaveLearn
The one-loop analysis of the beta-function in the Schroedinger Functional for Moebius Domain Wall FermionsWe proposed a construction of the Schroedinger functional scheme for the Moebius domain wall fermions (MDWF) by introducing a proper boundary operator to the original MDWF in the last conference. The…Yuko Murakami, Ken-Ichi Ishikawa·Jan 25, 2017SaveLearn
SO(N) gauge theories in 2+1 dimensions: glueball spectra and confinementWe calculate the spectrum of light glueballs and the string tension in a number of SO(N) lattice gauge theories in 2+1 dimensions, with N in the range from N=3 to N=16. After extrapolating to the…Richard Lau, Michael Teper·Jan 24, 2017SaveLearn
D-Meson Mixing in 2+1-Flavor Lattice QCDWe present results for neutral D-meson mixing in 2+1-flavor lattice QCD. We compute the matrix elements for all five operators that contribute to D mixing at short distances, including those that…Chia Cheng Chang, C. M. Bouchard, A. X. El-Khadra et al.·Jan 20, 2017SaveLearn
Nucleon Charges from 2+1+1-flavor HISQ and 2+1-flavor clover latticesPrecise estimates of the nucleon charges gA, gS and gT are needed in many phenomenological analyses of SM and BSM physics. In this talk, we present results from two sets of calculations…Rajan Gupta·Jan 20, 2017SaveLearn
Charmed pseudoscalar decay constants on three-flavour CLS ensembles with open boundariesWe determine the masses and pseudoscalar decay constants of D and Ds mesons employing lattice QCD with non-perturbatively O(a) improved Wilson quarks and a tree-level Symanzik-improved gauge action.…Sara Collins, Kevin Eckert, Jochen Heitger et al.·Jan 19, 2017SaveLearn
Double Parton Distributions of the PionThe effects of double hard interactions are no longer negligible at energy scales reached at the LHC. Double parton scattering (DPS) processes are often described by taking the product of two single…Christian Zimmermann·Jan 19, 2017SaveLearn
Recent results on the meson and baryon spectrum from lattice QCDRecent lattice results on the meson and baryon spectrum with a focus on the determination of hadronic resonance masses and widths using a combined basis of single-hadron and hadron-hadron…Daniel Mohler·Jan 18, 2017SaveLearn
The gradient flow running coupling in SU(2) gauge theory with Nf=8 fundamental flavorsWe study the evolution of the coupling in SU(2) gauge field theory with Nf=8 fundamental fermion flavors on the lattice. This model is expected to have an infrared fixed point at high coupling. We…Viljami Leino, Jarno Rantaharju, Teemu Rantalaiho et al.·Jan 17, 2017SaveLearn
Effects of boundary conditions and gradient flow in 1+1 dimensional lattice ϕ4 theoryIn this work we study the effects of gradient flow and open boundary condition in the temporal direction in 1+1 dimensional lattice ϕ4 theory. Simulations are performed with periodic (PBC) and…A. Harindranath, Jyotirmoy Maiti·Jan 17, 2017SaveLearn
The phase structure of QCDWe review recent results on the phase structure of QCD and bulk QCD thermodynamics. In particular we discuss how universal critical scaling related to spontaneous breaking of the chiral symmetry…Christian Schmidt, Sayantan Sharma·Jan 17, 2017SaveLearn
Two-colour QCD at finite density with two flavours of staggered quarksIn this contribution we revisit simulations of two-color QCD with rooted staggered quarks at finite density, where baryon-number spontaneously breaks and a diquark condensate forms. We thereby pay…Lukas Holicki, Jonas Wilhelm, Dominik Smith et al.·Jan 17, 2017SaveLearn
The QCD Equation of State to O(μB6) from Lattice QCDWe calculated the QCD equation of state using Taylor expansions that include contributions from up to sixth order in the baryon, strangeness and electric charge chemical potentials. Calculations have…A. Bazavov, H. -T. Ding, P. Hegde et al.·Jan 16, 2017SaveLearn
The pseudoscalar meson electromagnetic form factor at high Q2 from full lattice QCDWe give an accurate determination of the vector (electromagnetic) form factor, F(Q2), for a light pseudoscalar meson up to squared momentum transfer Q2 values of 6 GeV2 for the…J. Koponen, A. C. Zimermmane-Santos, C. T. H. Davies et al.·Jan 16, 2017SaveLearn
The Contribution of Novel CP Violating Operators to the nEDM using Lattice QCDIn this talk, we motivate the calculation of the matrix elements of novel CP violating operators, the quark EDM and the quark chromo EDM operators, within the nucleon state using lattice QCD. These…Rajan Gupta·Jan 16, 2017SaveLearn
Form factors in the Bs → K ν decays using HQET and the latticeWe report on a recent computation of the form factors in semi-leptonic decays of the Bs using Heavy Quark Effective Theory (HQET) formalism applied on the lattice. The connection…Debasish Banerjee·Jan 14, 2017SaveLearn
Chiral phase structure of three flavor QCD at vanishing baryon number densityWe investigate the phase structure of QCD with 3 degenerate quark flavors as function of the degenerate quark masses at vanishing baryon number density. We use the Highly Improved Staggered Quarks on…A. Bazavov, H. -T. Ding, P. Hegde et al.·Jan 13, 2017SaveLearn
The isotensor axial polarisability and lattice QCD input for nuclear double-β decay phenomenologyThe potential importance of short-distance nuclear effects in double-β decay is assessed using a lattice QCD calculation of the nn→ pp transition and effective field theory methods. At…Phiala E. Shanahan, Brian C. Tiburzi, Michael L. Wagman et al.·Jan 12, 2017SaveLearn
Chiral Separation Effect in lattice regularizationWe consider Chiral Separation Effect (CSE) in the lattice regularized quantum field theory. We discuss two types of regularization - with and without exact chiral symmetry. In the latter case this…Z. V. Khaidukov, M. A. Zubkov·Jan 12, 2017SaveLearn
Symmetry restoration at high-temperature in two-color and two-flavor lattice gauge theoriesWe consider the SU(2) gauge theory with Nf=2 flavors of Dirac fundamental fermions. We study the high-temperature behavior of the spectra of mesons, discretizing the theory on anisotropic…Jong-Wan Lee, Biagio Lucini, Maurizio Piai·Jan 12, 2017SaveLearn
Non-perturbative O(a) improvement of the SU(3) sextet modelWe calculate non-perturbatively the coefficient csw required for O(a) improvement of the SU(3) gauge theory with Nf = 2 fermions in the two-index symmetric (sextet) representation. For the…Martin Hansen·Jan 12, 2017SaveLearn
Flux tubes in QCD with (2+1) HISQ fermionsWe investigate the transverse profile of the chromoelectric field generated by a quark-antiquark pair in the vacuum of (2+1) flavor QCD. Monte Carlo simulations are performed adopting the HISQ/tree…P. Cea, L. Cosmai, F. Cuteri et al.·Jan 12, 2017SaveLearn
Extraction of the bare form factors for the semi-leptonic Bs decaysThe computation of the form factors for the Bs K ν decay is presented. The b quark is treated by means of Heavy Quark Effective Theory, currently in the static approximation. In these…F. Bahr, D. Banerjee, M. Koren et al.·Jan 12, 2017SaveLearn
Centre vortices are the seeds of dynamical chiral symmetry breakingUsing lattice QCD, we reveal a fundamental connection between centre vortices and several key features associated with dynamical chiral symmetry breaking and quark confinement. Calculations are…Waseem Kamleh, Derek B. Leinweber, Amalie Trewartha·Jan 12, 2017SaveLearn