Four-loop moments of the heavy quark vacuum polarization function in perturbative QCD
Apr, 2006
9 pages
Published in:
- Eur.Phys.J.C 48 (2006) 107-110
e-Print:
- hep-ph/0604234 [hep-ph]
Report number:
- SFB-CPP-06-21,
- TTP06-15
View in:
Citations per year
Abstract:
New results at four-loop order in perturbative QCD for the first two Taylor coefficients of the heavy quark vacuum polarization function are presented. They can be used to perform a precise determination of the charm- and bottom-quark mass. Implications for the value of the quark masses are briefly discussed.- 11.55.Fv
- 14.65.Dw
- 12.38.-t
- 12.38.Bx
- 14.65.Fy
- heavy quark
- vacuum polarization
- quantum chromodynamics
- perturbation theory: higher-order
- mass: charm
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