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Chiral condensates from tau decay: a critical reappraisal

- J. Bordes, C. Dominguez, J. Peñarrocha, K. Schilcher
- Physics
- 25 November 2005

The saturation of QCD chiral sum rules is reanalyzed in view of the new and complete analysis of the ALEPH experimental data on the difference between vector and axial-vector correlators (V-A).… Expand

Three-loop relation of quark
$$\overline {MS} $$
and pole masses

- N. Gray, D. Broadhurst, W. Grafe, K. Schilcher
- Physics
- 26 March 1990

AbstractWe calculate, exactly, the next-to-leading correction to the relation between the
$$\overline {MS} $$
quark mass,
$$\bar m$$
, and the scheme-independent pole mass,M, and obtain… Expand

Chiral corrections to the SU(2) × SU(2) Gell-Mann-Oakes-Renner relation

- J. Bordes, C. Dominguez, P. Moodley, J. Peñarrocha, K. Schilcher
- Physics
- 17 March 2010

The next to leading order chiral corrections to the SU(2) ×SU(2) Gell-Mann-Oakes-Renner (GMOR) relation are obtained using the pseudoscalar correlator to five-loop order in perturbative QCD, together… Expand

Hadronic contribution to the QED running coupling α(M Z 2 )

- S. Bodenstein, C. Dominguez, K. Schilcher, H. Spiesberger
- Physics
- 21 September 2012

We introduce a model independent method for the determination of the hadronic contribution to the QED running coupling, $\Delta\alpha_{\text{HAD}}(M_{Z}^{2})$, requiring no $e^+e^-$ annihilation data… Expand

A practicableγ5-scheme in dimensional regularization

- J. Körner, D. Kreimer, K. Schilcher
- Physics
- 1 September 1992

We present a new simpleγ5 regularization scheme. We discuss its use in the standard radiative correction calculations including the anomaly contributions. The new scheme features an anticommutingγ5… Expand

Hadronic corrections at ${\cal O}(\alpha^2)$ to the energy spectrum of muon decay

- A. I. Davydychev, K. Schilcher, H. Spiesberger
- Physics
- 17 November 2000

Abstract. We consider the impact of ${\cal O}(\alpha^2)$ hadronic corrections to the energy spectrum of the decay electron in muon decay. We find that the correction can be described, within good… Expand

QCD sum rule determination of the charm-quark mass

- S. Bodenstein, J. Bordes, C. Dominguez, J. Peñarrocha, K. Schilcher
- Physics
- 18 February 2011

QCD sum rules involving mixed inverse moment integration kernels are used in order to determine the running charm-quark mass in the MS scheme. Both the high and the low energy expansion of the vector… Expand

Up- and down-quark masses from finite-energy QCD sum rules to five loops

- C. Dominguez, N. Nasrallah, R. Rontsch, K. Schilcher
- Physics
- 3 June 2008

The up- and down-quark masses are determined from an optimized QCD finite-energy sum rule involving the correlator of axial-vector divergences, to five-loop order in perturbative QCD, and including… Expand

Conductivity reconstructions using real data from a new planar electrical impedance tomography device

- K. Georgi, C. Hähnlein, K. Schilcher, C. Sebu, H. Spiesberger
- Mathematics
- 1 July 2013

Abstract In this paper, we present results of reconstructions using real data from a new planar electrical impedance tomography device developed at the Institut für Physik, Johannes Gutenberg… Expand

Is there evidence for dimension two corrections in QCD two point functions

- C. Dominguez, K. Schilcher
- Physics
- 25 March 1999

The ALEPH data on the (non-strange) vector and axial-vector spectral functions, extracted from tau-lepton decays, is used in order to search for evidence for a dimension-two contribution, $C_{2… Expand

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