NAGIOS: RODERIC FUNCIONANDO
alpha(s)(m(Z)) from tau decays with matching conditions at three loops
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alpha(s)(m(Z)) from tau decays with matching conditions at three loops
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| Rodrigo García, Germán Vicente; Pich Zardoya, Antonio Perfil; Santamaria, Arcadi Perfil | |||
| This document is a artículoDate1998 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/42303 |
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| Using the recent four-loop calculations of the QCD p-function and the three-loop matching coefficients we study the induced errors in alpha(s)(m(Z)) obtained from alpha(s)(M-tau) due to the evolution procedure. We show that, when consistent matching and running is used at this order, these errors are pushed below 0.0005 in alpha(s)(m(Z)). | |||
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Rodrigo García, Germán Vicente; Pich Zardoya, Antonio; Santamaria Luna, Arcadi (1998) alpha(s)(m(Z)) from tau decays with matching conditions at three loops Physics Letters B 424 3-4 367 374 |
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| http://dx.doi.org/10.1016/S0370-2693(98)00219-6 |
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22 - Física [3702]