Double-β Decay Matrix Elements from Lattice Quantum ChromodynamicsA lattice quantum chromodynamics (LQCD) calculation of the nuclear matrix element relevant to the nn ppeeνeνe transition is described in detail, expanding on the results…Brian C. Tiburzi, Michael L. Wagman, Frank Winter et al.·Feb 9, 2017SaveLearn
Approaching the Bottom Using Fine Lattices With Domain-Wall FermionsWe explore the heavy-quark mass region above the charm mass using Möbius domain-wall fermions on fine lattices at a = 0.080, 0.055, and 0.044 fm. We examine masses and decay constants using a…Brendan Fahy, Guido Cossu, Shoji Hashimoto·Feb 8, 2017SaveLearn
Heavy Flavours in Quark-Gluon PlasmaRecent progresses in lattice studies of heavy quark and quarkonium at non-zero temperature are discussed. Formulating a tail of spectral functions as a transport coefficient allows lattice…Seyong Kim·Feb 8, 2017SaveLearn
Strings on the lattice and AdS/CFTWe present a new auxiliary field representation for the four-fermi term of the gauge-fixed Green-Schwarz superstring action which describes fluctuations around the null-cusp background in…Valentina Forini, Lorenzo Bianchi, Bjoern Leder et al.·Feb 7, 2017SaveLearn
Abelian Higgs model with charge conjugate boundary conditionsThe abelian Higgs model is studied on the lattice with charge conjugate boundary conditions. A locally gauge invariant operator for the charged scalar field is constructed and the charged scalar…R. M. Woloshyn·Feb 6, 2017SaveLearn
Baryon interactions from lattice QCD with physical masses -- Overview and S = 0, -4 sectors --Nuclear forces and hyperon forces are studied by lattice QCD. Simulations are performed with (almost) physical quark masses, mπ 146 MeV and mK 525 MeV, where Nf=2+1…Takumi Doi, Sinya Aoki, Shinya Gongyo et al.·Feb 6, 2017SaveLearn
Construction of lattice Möbius domain wall fermions in the Schrödinger functional schemeIn this paper we construct the Möbius domain wall fermions (MDWF) in the Schrödinger functional (SF) scheme for the SU(3) gauge theory by adding a boundary operator at the temporal boundary of the SF…Yuko Murakami, Ken-Ichi Ishikawa·Feb 6, 2017SaveLearn
Precision test of the gauge/gravity duality in two-dimensional N=(8,8) SYMThe ε- p is calculated from lattice simulations of two dimensional N=(8,8) SU(N) SYM to test the gauge gravity duality. We employ the Sugino action with keeping two of sixteen…Daisuke Kadoh·Feb 6, 2017SaveLearn
Electromagnetic form factors at large momenta from lattice QCDAccessing hadronic form factors at large momentum transfers has traditionally presented a challenge for lattice QCD simulations. Here we demonstrate how a novel implementation of the Feynman-Hellmann…A. J. Chambers, J. Dragos, R. Horsley et al.·Feb 6, 2017SaveLearn
Determination of charm quark mass from temporal moments of charmonium correlator with Mobius domain-wall fermionWe extract the charm quark mass and the strong coupling constant from the charmonium current correlators calculated with nf = 2 + 1 Mobius domain wall fermions. We match our lattice calculation…Katsumasa Nakayama, Brendan Fahy, Shoji Hashimoto·Feb 6, 2017SaveLearn
Current correlators in the coordinate space at short distancesWe calculate the vector and axial-vector current correlators in the coordinate space and compare them with the experimental information obtained through the spectral functions of hadronic tau decays…Masaaki Tomii, Hidenori Fukaya, Shoji Hashimoto et al.·Feb 6, 2017SaveLearn
Finite-Volume Corrections to Electromagnetic Masses for Larger-Than-Physical Electric ChargesThe numerical value of the fine-structure constant generally leads to small isospin-breaking effects due to electromagnetism in QCD. This smallness complicates determining isospin breaking from…Matthew E. Matzelle, Brian C. Tiburzi·Feb 4, 2017SaveLearn
Chiral phase transition of (2 + 1)-flavor QCD on Nτ = 6 latticesWe present updated studies on the chiral phase transition in Nf=2+1 QCD. Simulations have been carried out using Highly Improved Staggered Quarks (HISQ) on lattices with temporal extent $Nτ =…Sheng-Tai Li, Heng-Tong Ding·Feb 4, 2017SaveLearn
Constraining the hadronic spectrum through QCD thermodynamics on the latticeFluctuations of conserved charges allow to study the chemical composition of hadronic matter. A comparison between lattice simulations and the Hadron Resonance Gas (HRG) model suggested the existence…Paolo Alba, Rene Bellwied, Szabolcs Borsanyi et al.·Feb 3, 2017SaveLearn
Theta dependence in the large N limitStudies of the large N behaviour of the topological properties of gauge theories typically focused on the large N scaling of the topological susceptibility. A much more difficult task is the…Claudio Bonati, Massimo D'Elia, Paolo Rossi et al.·Feb 3, 2017SaveLearn
Towards the continuum limit with improved Wilson fermions employing open boundary conditionsWe present selected results obtained by RQCD from simulations of Nf=2+1 flavours of non-perturbatively O(a) improved Wilson fermions, employing open boundary conditions in time. The…Gunnar S. Bali, Sara Collins, Fabian Hutzler et al.·Feb 3, 2017SaveLearn
Nucleon electromagnetic and axial form factors with Nf=2 twisted mass fermions at the physical pointWe present results for the nucleon electromagnetic and axial form factors using an Nf=2 twisted mass fermion ensemble with pion mass of about 131 MeV. We use multiple sink-source separations to…Constantia Alexandrou, Martha Constantinou, Kyriakos Hadjiyiannakou et al.·Feb 3, 2017SaveLearn
Lambda-Nucleon and Sigma-Nucleon interactions from lattice QCD with physical massesWe present our recent study on baryon-baryon (BB) interactions from lattice QCD with almost physical quark masses corresponding to (mπ,mK)≈(146,525) MeV and large volume…Hidekatsu Nemura, Sinya Aoki, Takumi Doi et al.·Feb 2, 2017SaveLearn
From spin models to lattice QCD -- the scientific legacy of Peter HasenfratzThis is a transcript of my conference talk in remembrance of Peter Hasenfratz who deceased earlier in 2016. One of Peter's many important contributions to the lattice community has been the…Urs Wenger·Feb 2, 2017SaveLearn
Triple-gluon and quark-gluon vertex from lattice QCD in Landau gaugeWe report on preliminary results for the triple-gluon and the quark-gluon vertex in Landau gauge. Our results are based on two-flavor and quenched lattice QCD calculations for different quark masses,…Andre Sternbeck, Paul-Hermann Balduf, Ayse Kızılersu et al.·Feb 2, 2017SaveLearn
Systematic study of operator dependence in nucleus calculation at large quark massRecently it is claimed that there is a significant systematic error from excited state contributions in the nucleus correlation functions by comparing with calculations using the exponential and wall…Takeshi Yamazaki, Ken-Ichi Ishikawa, Yoshinobu Kuramashi et al.·Feb 2, 2017SaveLearn
Examining the Low Energy Dynamics of Walking Gauge TheoryWe report on an investigation into the low energy dynamics of walking gauge theory. Taking SU(3) Yang Mills with eight flavors of fundamental fermions as an example, we discuss the light flavor…Andrew D. Gasbarro, George T. Fleming·Feb 1, 2017SaveLearn
Towards Radiative Transitions in CharmoniumWe present preliminary calculations towards radiative transitions in charmonium using anisotropic Nf = 2 + 1 dynamical ensembles generated by the Hadron Spectrum Collaboration. With the use of…Cian O'Hara, Sinéad M. Ryan, Graham Moir et al.·Feb 1, 2017SaveLearn
Continuum limit and universality of the Columbia plotResults on the thermal transition of QCD with 3 degenerate flavors, in the lower-left corner of the Columbia plot, are puzzling. The transition is expected to be first-order for massless quarks, and…Philippe de Forcrand, Massimo D'Elia·Feb 1, 2017SaveLearn
Charm hadrons and lattice QCDWe review two lattice calculations involving charm hadrons: a determination of the vector and scalar form factors of the semileptonic D π ν decays, which are relevant for the extraction of…Lorenzo Riggio, Giorgio Salerno·Feb 1, 2017SaveLearn