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@ARTICLE{Drr:12186,
      author       = {Dürr, S. and Fodor, Z. and Hoelbling, C. and Katz, S.D.
                      and Krieg, S. and Kurth, T. and Lellouch, L. and Lippert, T.
                      and Szabo, K.K. and Vulvert, G.},
      title        = {{L}attice {QCD} at the physical point: simulation and
                      analysis details},
      journal      = {Journal of high energy physics},
      volume       = {2011},
      issn         = {1126-6708},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {PreJuSER-12186},
      pages        = {148},
      year         = {2011},
      note         = {We used HPC resources from FZ Julich and from
                      GENCI-[IDRIS/CCRT] grant 52275, as well as clusters at
                      Wuppertal and CPT. This work is supported in part by EU
                      grants I3HP, FP7/2007-2013/ERC no 208740,
                      MRTN-CT-2006-035482 (FLAVIAnet), DFG grant FO 502/2, SFB-TR
                      55, CNRS GDR 2921 and PICS 4707.},
      abstract     = {We give details of our precise determination of the light
                      quark masses m(ud) = (m(u)+m(d))/2 and m(s) in 2+1 flavor
                      QCD, with simulated pion masses down to 120 MeV, at five
                      lattice spacings, and in large volumes. The details concern
                      the action and algorithm employed, the HMC force with HEX
                      smeared clover fermions, the choice of the scale setting
                      procedure and of the input masses. After an overview of the
                      simulation parameters, extensive checks of algorithmic
                      stability, autocorrelation and (practical) ergodicity are
                      reported. To corroborate the good scaling properties of our
                      action, explicit tests of the scaling of hadron masses in
                      N-f = 3 QCD are carried out. Details of how we control
                      finite volume effects through dedicated finite volume
                      scaling runs are reported. To check consistency with SU(2)
                      Chiral Perturbation Theory the behavior of M-pi(2)/m(ud) and
                      F-pi as a function of m(ud) is investigated. Details of how
                      we use the RI/MOM procedure with a separate continuum limit
                      of the running of the scalar density R-S(mu, mu') are given.
                      This procedure is shown to reproduce the known value of
                      r(0)m(s) in quenched QCD. Input from dispersion theory is
                      used to split our value of mud into separate values of m(u)
                      and m(d). Finally, our procedure to quantify both systematic
                      and statistical uncertainties is discussed.},
      keywords     = {J (WoSType)},
      cin          = {JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {Scientific Computing (FUEK411) / 411 - Computational
                      Science and Mathematical Methods (POF2-411) / QCDTHERMO -
                      QCD thermodynamics on the lattice (208740)},
      pid          = {G:(DE-Juel1)FUEK411 / G:(DE-HGF)POF2-411 /
                      G:(EU-Grant)208740},
      shelfmark    = {Physics, Particles $\&$ Fields},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000294901200011},
      doi          = {10.1007/JHEP08(2011)148},
      url          = {https://juser.fz-juelich.de/record/12186},
}