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2007

Renormalisation of quark bilinears with Nf=2 Wilson fermions and tree-level improved gauge action

Dimopoulos, P., Frezzotti, R., Herdoiza, G. et al.

Understand

We present results for the renormalisation constants of bilinear quark operators, using the Nf=2 twisted mass Wilson action at maximal twist (which guarantees automatic O(a) improvement) and the tree-level Symanzik improved gauge action.

  • The scale-independent renormalisation constants are computed with a new method, which makes use of both standard twisted mass and Osterwalder-Seiler fermions.
  • Moreover, the results from an RI-MOM calculation are presented for both scale independent and scale dependent renormalisation constants.

Built on

  • G. Martinelli et al., A General method for nonperturbative renormalization of lattice operators , Nucl. Phys. 445

    1995

    Earlier work this paper cites.

  • J.R. Cudell, Pseudoscalar vertex, Goldstone boson and quark masses on the lattice , Phys.Lett.B 454

    1998

    Earlier work this paper cites.

  • J.A. Gracey, Three loop anomalous dimension of non-singlet quark currents in the RI’ scheme , Nucl. Phys. B 662

    2000

    Earlier work this paper cites.

  • L. Giusti and A. Vladikas, RI / MOM renormalization window and Goldstone pole contamination , Phys.Lett.B 488

    2000

    Earlier work this paper cites.

Similar

  • R. Frezzotti et al., Lattice QCD with a chirally twisted mass term , JHEP 0108

    2001

    Cited alongside, same era.

  • R. Frezzotti and G.C. Rossi, Chirally improving Wilson fermions. 1. O(a) improvement , JHEP 0408

    2004

    Cited alongside, same era.

  • W. Bietenholz et al., Going chiral: Overlap versus twisted mass fermions , JHEP 0412

    2004

    Cited alongside, same era.

  • M. Foster and C. Michael, Quark mass dependence of hadron masses from lattice QCD , Phys. Rev.D 59

    Cited in the paper.

Then

  • K. Osterwalder and E. Seiler, Gauge Field Theories on the Lattice , Annals Phys. 110

    2004

    Later among the works it cites.

  • D. Becirevic et al., Renormalization constants of quark operators for the nonperturbatively improved Wilson action , JHEP 0408

    2004

    Later among the works it cites.

  • Ph. Boucaud et al., Dynamical twisted mass fermions with light quarks , Phys.Lett. B650

    2007

    Closest in time.

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