NAGIOS: RODERIC FUNCIONANDO
A Measurement of alpha-s from the scaling violation in e+ e- annihilation
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A Measurement of alpha-s from the scaling violation in e+ e- annihilation
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| DELPHI Collaboration; Ferrer Soria, Antonio Perfil; Higón Rodríguez, Emilio Perfil; Castillo Giménez, María Victoria Perfil; Alemany Fernández, Reyes; Cabrera Urbán, Susana Perfil; Cortina Gil, Eduardo; Fuster Verdú, Juan A. Perfil; García García, Carmen Perfil; Hernández Rey, Juan José Perfil; Lacasta Llácer, Carlos; Martínez Vidal, Fernando Perfil; Martí García, Salvador; Navas Concha, Sergio; Salt Cairols, José Perfil | |
| This document is a artículoDate1997 | |
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Este documento está disponible también en : http://dx.doi.org/10.1016/S0370-2693(97)00256-6 |
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Este documento está disponible también en : http://hdl.handle.net/10550/36018 |
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| The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from Z0 decays with the DELPHI detector and are compared with the fragmentation functions measured elsewhere at energies between 14 GeV and 91 GeV. A large scaling violation is observed, which is used to extract the strong coupling constant from a fit using a numerical integration of the second order DGLAP evolution equations. The result is αs(Mz) = 0.124+0.006-0.007 (exp) +/- 0.009 (theory) where the first error represents the experimental uncertainty and the second error is due to the factorization and renormalization scale dependence. | |
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DELPHI Collaboration Ferrer Soria, Antonio Higón Rodríguez, Emilio Castillo Giménez, María Victoria 1997 A Measurement of alpha-s from the scaling violation in e+ e- annihilation Physics Letters B 398 1-2 194 206 |
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| http://dx.doi.org/10.1016/S0370-2693(97)00256-6 |
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