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Determination of alpha(s) from the scaling violation in the fragmentation functions in e+e- annihilation

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Determination of alpha(s) from the scaling violation in the fragmentation functions in e+e- annihilation

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dc.contributor.author	DELPHI Collaboration
dc.contributor.author	Allen, Paul
dc.contributor.author	Chrin, J. T. M.
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Cortina Gil, Eduardo
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	Fez Laso, M. D. M. de
dc.contributor.author	Gómez Cadenas, Juan José
dc.contributor.author	García García, Carmen
dc.contributor.author	Hernández Rey, Juan José
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Lozano Bahilo, José Julio
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Zúñiga Román, Juan
dc.date.accessioned	2016-05-26T12:21:55Z
dc.date.available	2016-05-26T12:21:55Z
dc.date.issued	1993
dc.identifier.citation	DELPHI Collaboration Allen, Paul Chrin, J. T. M. Castillo Giménez, María Victoria Cortina Gil, Eduardo Ferrer Soria, Antonio Fuster Verdú, Juan A. Fez Laso, M. D. M. de Gómez Cadenas, Juan José García García, Carmen Hernández Rey, Juan José Higón Rodríguez, Emilio Lacasta Llácer, Carlos Lozano Bahilo, José Julio Martí García, Salvador Salt Cairols, José Valls Ferrer, Juan Antonio Zúñiga Román, Juan 1993 Determination of alpha(s) from the scaling violation in the fragmentation functions in e+e- annihilation Physics Letters B 311 1-4 408 424
dc.identifier.uri	http://hdl.handle.net/10550/53829
dc.description.abstract	A determination of the hadronic fragmentation functions of the Z0 boson is presented from a study of the inclusive hadron production with the DELPHI detector at LEP. These fragmentation functions were compared with the ones at lower energies, thus covering data in a large kinematic range: 196 less-than-or-equal-to Q2 less-than-or-equal-to 8312 GeV2 and x (= p(h)/E(beam)) > 0.08. A large scaling violation was observed, which was used to extract the strong coupling constant in second order QCD: alpha(s)(M(Z)) = 0.118 +/- 0.005. The corresponding QCD scale for five quark flavours is: LAMBDA(MS)(5)BAR = 230 +/- 60 MeV.
dc.language.iso	eng
dc.relation.ispartof	Physics Letters B, 1993, vol. 311, num. 1-4, p. 408-424
dc.subject	Física nuclear
dc.title	Determination of alpha(s) from the scaling violation in the fragmentation functions in e+e- annihilation
dc.type	journal article	es_ES
dc.date.updated	2016-05-26T12:21:55Z
dc.identifier.doi	10.1016/0370-2693(93)90587-8
dc.identifier.idgrec	070489
dc.rights.accessRights	open access	es_ES