Lattice calculation of the HVP contribution to the anomalous magnetic moment of muonWe report our (HPQCD) progress on the calculation of the Hadronic Vacuum Polarisation contribution to the anomalous magnetic moment of muon. In this article we discuss the calculations for the light…Bipasha Chakraborty, Christine Davies, Pedro Gonçalves de Oliveira et al.·Nov 18, 2015SaveLearn
A status update on the determination of Λ MSN f=3 by the ALPHA collaborationThe ALPHA collaboration aims to determine αs(mZ) with a total error below the percent level. A further step towards this goal can be taken by combining results from the recent simulations of…Mattia Dalla Brida, Patrick Fritzsch, Tomasz Korzec et al.·Nov 18, 2015SaveLearn
On the axial U(1) symmetry at finite temperatureWe study the U(1)A anomaly in two-flavor lattice QCD at finite temperature with the Möbius domain-wall Dirac operator. We generate gauge configurations in the temperature range (0.9, 1.2) Tc on…JLQCD Collaboration, Guido Cossu, Hidenori Fukaya et al.·Nov 18, 2015SaveLearn
Lattice QCD studies on baryon interactions from Lüscher's finite volume method and HAL QCD methodA comparative study between the Lüscher's finite volume method and the time-dependent HAL QCD method is given for the ΞΞ(1S0) interaction as an illustrative example. By employing…Takumi Iritani, for HAL QCD Collaboration·Nov 17, 2015SaveLearn
Improved determination of hadron matrix elements using the variational methodThe extraction of hadron form factors in lattice QCD using the standard two- and three-point correlator functions has its limitations. One of the most commonly studied sources of systematic error is…Jack Dragos, Roger Horsley, Waseem Kamleh et al.·Nov 17, 2015SaveLearn
Improving the lattice axial vector currentFor Wilson and clover fermions traditional formulations of the axial vector current do not respect the continuum Ward identity which relates the divergence of that current to the pseudoscalar…R. Horsley, Y. Nakamura, H. Perlt et al.·Nov 17, 2015SaveLearn
The three-quark potential and perfect Abelian dominance in SU(3) lattice QCDWe study the static three-quark (3Q) potential for more than 300 different patterns of 3Q systems with high statistics, i.e., 1000-2000 gauge configurations, in SU(3) lattice QCD at the quenched…Hideo Suganuma, Naoyuki Sakumichi·Nov 17, 2015SaveLearn
Thermodynamics and reference scale of SU(3) gauge theory from gradient flow on fine latticesWe study the parametrization of lattice spacing and thermodynamics of SU(3) gauge theory on the basis of the Yang-Mills gradient flow on fine lattices. The lattice spacing of the Wilson gauge action…Masakiyo Kitazawa, Masayuki Asakawa, Tetsuo Hatsuda et al.·Nov 17, 2015SaveLearn
Non-perturbative renormalization of tensor bilinears in Schrödinger Functional schemesWe present preliminary result for the study of the renormalization group evolution of tensor bilinears in Schrödinger Functional (SF) schemes for Nf=0 and Nf=2 QCD with non-perturbatively…Patrick Fritzsch, Carlos Pena, David Preti·Nov 16, 2015SaveLearn
Nuclear physics from QCD on latticeWe have presented a strategy to study nuclei and nuclear matters from first principles, namely, from QCD. We first compute nucleon-nucleon potentials numerically in lattice QCD, and then use them to…Takashi Inoue, for HAL QCD Collaboration·Nov 16, 2015SaveLearn
Hadronic Light by Light Contributions to the Muon Anomalous Magnetic Moment With Physical PionsThe current measurement of muonic g - 2 disagrees with the theoretical calculation by about 3 standard deviations. Hadronic vacuum polarization (HVP) and hadronic light by light (HLbL) are the two…Luchang Jin, Thomas Blum, Norman Christ et al.·Nov 16, 2015SaveLearn
Some nucleon isovector observables from 2+1-flavor domain-wall QCD at the physical pion massThe current status of the LHP and RBC joint calculations of the nucleon isovector form factors and low moments of structure functions with a 2+1-flavor dynamical domain-wall fermion (DWF) lattice-QCD…Shigemi Ohta·Nov 16, 2015SaveLearn
Lattice simulations of technicolour theories with adjoint fermions and supersymmetric Yang-Mills theoryTheories with fermions in the adjoint representation have several interesting applications in extensions of the standard model. The conformal window for these theories is of particular interest for…Georg Bergner, Pietro Giudice, Istvan Montvay et al.·Nov 16, 2015SaveLearn
Leading-order hadronic contributions to the lepton anomalous magnetic moments from the latticeThe hadronic leading-order (hlo) contribution to the lepton anomalous magnetic moments alhlo of the Standard Model leptons still accounts for the dominant source of the uncertainty of…Florian Burger, Xu Feng, Karl Jansen et al.·Nov 16, 2015SaveLearn
Approaching the conformal window: systematic study of the particle spectrum in SU(2) field theory with Nf=2, 4 and 6It is expected that SU(2) gauge theory with Nf fundamental fermions has an infrared fixed point when Nf is between 6 and 10. We study the hadron spectrum and scale setting in SU(2) gauge…Alessandro Amato, Teemu Rantalaiho, Kari Rummukainen et al.·Nov 16, 2015SaveLearn
The electric dipole moment of the neutron from Nf=2+1+1 twisted mass fermionsWe extract the neutron electric dipole moment (nEDM) dn on configurations produced with Nf=2+1+1 twisted mass fermions with lattice spacing of a 0.082 fm and a…Constantia Alexandrou, Andreas Athenodorou, Martha Constantinou et al.·Nov 16, 2015SaveLearn
Perturbative versus non-perturbative decoupling of heavy quarksWe simulate a theory with Nf=2 heavy quarks of mass M. At energies much smaller than M the heavy quarks decouple and the theory can be described by an effective theory which is a pure gauge…Francesco Knechtli, Mattia Bruno, Jacob Finkenrath et al.·Nov 16, 2015SaveLearn
Running coupling of the sextet composite Higgs modelThe scale-dependent renormalized coupling of SU(3) gauge theory coupled to Nf = 2 flavors of massless Dirac flavors in the sextet representation is presented in the range 0 < g2 < 6.5. This range…Zoltan Fodor, Kieran Holland, Julius Kuti et al.·Nov 16, 2015SaveLearn
Momentum dependence of kaon semileptonic form factors with Nf=2+1+1 Twisted Mass fermionsWe present a lattice QCD determination of the vector and scalar form factors of the kaon semileptonic decay K π ν, which is relevant for the determination of the CKM matrix element…N. Carrasco, P. Lami, V. Lubicz et al.·Nov 16, 2015SaveLearn
D -> πl νand D -> K l νform factors with Nf=2+1+1 Twisted fermionsWe present a lattice QCD determination of the vector and scalar form factors of the semileptonic decays D->πl νand D -> K l νwhich are relevant for the extraction of the CKM matrix elements |Vcd| and…N. Carrasco, P. Lami, V. Lubicz et al.·Nov 16, 2015SaveLearn
Lattice simulation of QC2D with Nf=2 at non-zero baryon densityThe lattice simulations of QC2D with two flavors of staggered fermions and non-zero quark chemical potential μq have been performed. Dependencies of the Polyakov loop, chiral condensate and…V. V. Braguta, A. Yu. Kotov, A. A. Nikolaev et al.·Nov 16, 2015SaveLearn
Analytic continuation of finite density QCD with heavy quarks in the strong coupling regionComplex nature of finite density QCD with heavy quarks in the strong coupling region is studied. For this purpose, we consider the effective potential as a function of Polyakov line, and study…Shinji Ejiri, Hiroshi Yoneyama·Nov 16, 2015SaveLearn
Study of the hadronic contributions to the running of the QED coupling and the weak mixing angleThe electromagnetic coupling receives significant contributions to its running from non-perturbative QCD effects. We present an update of a lattice QCD study of the Adler function and of its…Anthony Francis, Vera Gülpers, Gregorio Herdoíza et al.·Nov 15, 2015SaveLearn
Extracting three-body observables from finite-volume quantitiesScattering and transition amplitudes with three-hadron final states play an important role in nuclear and particle physics. However, predicting such quantities using numerical Lattice QCD is very…Maxwell T. Hansen·Nov 15, 2015SaveLearn
Exploring finite density QCD phase transition with canonical approach -Power of multiple precision computation-The canonical approach for finite density lattice QCD has a numerical instability. This instability makes it difficult to use the method reliably at the finite real chemical potential region. We…Shotaro Oka, for Zn-Collaboration·Nov 15, 2015SaveLearn