Thresholds in FAPT: Euclid vs Minkowski - High Energy Physics - PhenomenologyReportar como inadecuado




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Abstract: We give a short introduction to the Analytic Perturbation Theory APT inQCD, describe its problems and suggest as a tool for their resolution theFractional APT FAPT. We also describe shortly how to treat heavy-quarkthresholds in FAPT. As an applications of this technique we discuss i thepion form factor calculation in the Euclidean FAPT and ii the Higgs bosondecay $H^0\to b\bar{b}$ in Minkowskian FAPT. We conclude with comparison ofboth approaches, Euclidean and Minkowskian FAPT.



Autor: Alexander P. Bakulev

Fuente: https://arxiv.org/







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