Contour-improved versus fixed-order perturbation theory in hadronic τ decays

Journal of High Energy Physics

Volumn , Issue 9, 2005, Pages

  Jamin, Matthias ^a  

^a INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANÇATS ICREA   (Spain)

Author keywords

QCD; Sum Rules

Indexed keywords

EID: 26044450251     PISSN: 10298479     EISSN: None     Source Type: Journal    
DOI: 10.1088/1126-6708/2005/09/058     Document Type: Article

References (36)

1. E. Braaten, S. Narison and A. Pich, QCD analysis of the τ hadronic width 1992 Nucl. Phys. B 373 581
2. E. Braaten, The perturbative QCD corrections to the ratio R for tau decay 1989 Phys. Rev. D 39 1458
3. E. Braaten, QCD predictions for the decay of the τ lepton 1988 Phys. Rev. Lett. 60 1606
4. MS, 1988 Phys. Lett. B 211 183
5. ALEPH collaboration, S. Schael et al., Branching ratios and spectral functions of τ decays: final aleph measurements and physics implications [hep-ex/0506072]
6. s and the vector and axial-vector spectral functions in hadronic τ decays 1999 Eur. Phys. J. C 7 571 [hep-ex/9808019]
7. 2), 1998 Eur. Phys. J. C 4 409
8. s from τ decays 1995 Phys. Lett. B 356 580
9. ALEPH collaboration, D. Buskulic et al., Measurement of the strong coupling constant using τ decays 1993 Phys. Lett. B 307 209
10. M. Davier, A. Hocker and Z. Zhang, The physics of hadronic τ decays [hep-ph/0507078]
11. OPAL collaboration, G. Abbiendi et al., Measurement of the strange spectral function in hadronic τ decays 2004 Eur. Phys. J. C 35 437 [hep-ex/0406007]
12. ALEPH collaboration, R. Barate et al., Study of τ decays involving kaons, spectral functions and determination of the strange quark mass 1999 Eur. Phys. J. C 11 599 [hep-ex/9903015]
13. s from hadronic τ decays, 2005 Phys. Rev. Lett. 94 011803 [hep-ph/0408044]
14. us| from hadronic τ decays, 2005 Nucl. Phys. (Proc. Suppl.) 144 59 [hep-ph/0411278]
15. us, 2003 ECONF C 0304052 WG604 [hep-ph/0309147]
16. us| from hadronic τ decays, 2003 J. High Energy Phys. JHEP01(2003)060 [hep-ph/0212230]
17. 3) accuracy, [hep-ph/0412350]
18. S. Chen et al., Strange quark mass from the invariant mass distribution of cabibbo-suppressed τ decays 2001 Eur. Phys. J. C 22 31 [hep-ph/0105253]
19. M. Davier, S.M. Chen, A. Hocker, J. Prades and A. Pich, Strange quark mass from τ decays 2001 Nucl. Phys. (Proc. Suppl.) 98 319
20. J. Kambor and K. Maltman, The strange quark mass from flavor breaking in hadronic τ decays 2000 Phys. Rev. D 62 093023 [hep-ph/0005156]
21. J.G. Korner, F. Krajewski and A.A. Pivovarov, Determination of the strange quark mass from Cabibbo suppressed τ decays with resummed perturbation theory in an effective scheme 2001 Eur. Phys. J. C 20 259 [hep-ph/0003165]
22. A. Pich and J. Prades, Strange quark mass determination from Cabibbo-suppressed τ decays 1999 J. High Energy Phys. JHEP10(1999)004 [hep-ph/9909244]
23. A. Pich and J. Prades, Tau-decay determination of the strange quark mass 2000 Nucl. Phys. (Proc. Suppl.) 86 236 [hep-ph/9909559]
24. K.G. Chetyrkin, J.H. Kuhn and A.A. Pivovarov, Determining the strange quark mass in Cabibbo suppressed τ lepton decays 1998 Nucl. Phys. B 533 473 [hep-ph/9805335]
25. A. Pich and J. Prades, Perturbative quark mass corrections to the τ hadronic width 1998 J. High Energy Phys. JHEP06(1998)013 [hep-ph/9804462]
26. A. Pich and J. Prades, Strange quark mass dependence of the τ hadronic width 1999 Nucl. Phys. (Proc. Suppl.) 74 309 [hep-ph/9811263]
27. τ, 1999 Nucl. Phys. (Proc. Suppl.) 76 341
28. N.V. Krasnikov, A.A. Pivovarov and N.N. Tavkhelidze, The use of finite energy sum rules for the description of the hadronic properties of QCD 1983 Z. Physik C 19 301
29. A.A. Pivovarov, Renormalization group analysis of the τ-lepton decay within QCD 1992 Z. Physik C 53 461 [hep-ph/0302003]
30. τ revisited, 1992 Phys. Lett. B 286 147
31. W.A. Bardeen, A.J. Buras, D.W. Duke and T. Muta, Deep inelastic scattering beyond the leading order in asymptotically free gauge theories 1978 Phys. Rev. D 18 3998
32. O.V. Tarasov, A.A. Vladimirov and A.Y. Zharkov, The Gell-Mann-Low function of QCD in the three loop approximation 1980 Phys. Lett. B 93 429
33. T. van Ritbergen, J.A.M. Vermaseren and S.A. Larin, The four-loop β-function in quantum chromodynamics 1997 Phys. Lett. B 400 379 [hep-ph/9701390]
34. τ+hadrons) in QCD, 1991 Phys. Lett. B 259 144
35. - annihilation at the four loop level of perturbative QCD 1991 Phys. Rev. Lett. 66 560
36. 4 accuracy in τ decays 2003 Phys. Rev. D 67 074026 [hep-ph/0212299]