Adelaide Research & Scholarship
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https://hdl.handle.net/2440/74369
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| Type: | Journal article |
| Title: | Issues in determining αs from hadronic τ decay and electroproduction data |
| Other Titles: | Issues in determining alpha(s) from hadronic tau decay and electroproduction data |
| Author: | Boito, Diogo R. Cata, Oscar Golterman, Maarten Jamin, Matthias Maltman, Kim Osborne, James L. Peris, Santiago |
| Citation: | Nuclear Physics B - Proceedings Supplements, 2012; 225-227:153-156 |
| Publisher: | Elsevier Science BV |
| Issue Date: | 2012 |
| ISSN: | 0920-5632 |
| School/Discipline: | School of Chemistry and Physics : Physics and Mathematical Physics |
| Statement of Responsibility: | D. Boito, O. Catà, M. Golterman, M. Jamin, K. Maltman, J. Osborne, S. Peris |
| Abstract: | We discuss some key issues associated with duality-violating and non-perturbative OPE contributions to the theoretical representations of light quark current-current two-point functions and relevant to precision determinations of αs from hadronic τ decay and electroproduction cross-section data. We demonstrate that analyses with an explicit representation of duality-violating effects are required to bring theoretical errors in such extractions under control, motivating the accompanying paper in these proceedings, which presents the results of such an analysis. |
| Keywords: | αs; τ decay; duality violation |
| Description: | Proceedings of the International Workshop on e+e− collisions from Phi to Psi |
| DOI: | 10.1016/j.nuclphysbps.2012.02.032 |
| Appears in Collections: | Physics publications |
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