Zobrazeno 1 - 10
of 144
pro vyhledávání: '"Grandy, J"'
Autor:
Grandy, J., Kilcup, G.
Publikováno v:
Nucl.Phys.Proc.Suppl. 53 (1997) 560-563
We use lattice topology as a laboratory to compare the Wilson action (WA) with the Symanzik-Weisz (SW) action constructed from a combination of (1x1) and (1x2) Wilson loops, and the estimate of the renormalization trajectory (RT) from a renormalizati
Externí odkaz:
http://arxiv.org/abs/hep-lat/9609012
Publikováno v:
Nucl.Phys.Proc.Suppl. 53 (1997) 259-261
We present a refined calculation of the eta-prime mass using staggered fermions and Wuppertal smeared operators. We use quenched and dynamical configurations of size 16^3x32 with Nf=0, Nf=2 and Nf=4, and compare our results with the expected forms fr
Externí odkaz:
http://arxiv.org/abs/hep-lat/9609007
Publikováno v:
Ann.Phys.238:441-472,1995
Several new developments in the calculation and interpretation of hadron density-density correlation functions are presented. The asymptotic behavior of correlation functions is determined from a tree diagram path integral. A method is developed to u
Externí odkaz:
http://arxiv.org/abs/hep-lat/9406009
Publikováno v:
Phys.Rev.D49:6039-6050,1994
Cooling is used as a filter on a set of gluon fields sampling the Wilson action to selectively remove essentially all fluctuations of the gluon field except for the instantons. The close agreement between quenched lattice QCD results with cooled and
Externí odkaz:
http://arxiv.org/abs/hep-lat/9312071
Publikováno v:
Phys.Rev.D48:3340-3353,1993
Point-to-point vacuum correlation functions for spatially separated hadron currents are calculated in quenched lattice QCD on a $16^3\times 24$ lattice with $6/g^2=5.7$. The lattice data are analyzed in terms of dispersion relations, which enable us
Externí odkaz:
http://arxiv.org/abs/hep-lat/9306002
Publikováno v:
Nucl.Phys.Proc.Suppl. 30 (1993) 419-422
Results for semi-leptonic form-factors for processes like $D \to K l \nu$ and the Bethe-Salpeter amplitudes (BSA) for pion and rho mesons are presented. The form-factor data is consistent with previous calculations. We find that the long distance fal
Externí odkaz:
http://arxiv.org/abs/hep-lat/9211057
Publikováno v:
Phys.Rev.Lett.70:255-258,1993
Point-to-point correlation functions of hadron currents in the QCD vacuum are calculated on a lattice and analyzed using dispersion relations, providing physical information down to small spatial separations. Qualitative agreement with phenomenologic
Externí odkaz:
http://arxiv.org/abs/hep-lat/9211019
Publikováno v:
Nucl.Phys.Proc.Suppl.30:495-498,1993
Results from the first lattice QCD analysis of vacuum correlators of local hadronic currents using dispersion relations are presented. We have explored the vector, pseudoscalar, axial, and scalar meson channels, and the proton-like and delta-like bar
Externí odkaz:
http://arxiv.org/abs/hep-lat/9211012
The first exploratory calculations of QCD vacuum correlation functions on a lattice are reported. Qualitative agreement with phenomenological results is obtained in channels for which experimental data are available, and these correlation functions a
Externí odkaz:
http://arxiv.org/abs/hep-lat/9208030
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