αs from an improved τ vector isovector spectral function
After discussing difficulties in determining αs from tau decay due to the existence of Duality Violations and the associated asymptotic nature of the OPE, we describe a new determination based on an improved vector isovector spectral function, now based solely on experimental input, obtained by (i)...
Main Authors: | Boito Diogo, Golterman Maarten, Maltman Kim, Peris Santiago, Rodrigues Marcus V., Schaaf Wilder |
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Format: | Article |
Language: | English |
Published: |
EDP Sciences
2022-01-01
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Series: | EPJ Web of Conferences |
Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2022/18/epjconf_confxv2022_03014.pdf |
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