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Study of prompt photon production in hadronic Z° decays.

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Study of prompt photon production in hadronic Z° decays.

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dc.contributor.author	DELPHI Collaboration
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Chrin, J. T. M.
dc.contributor.author	Cortina Gil, Eduardo
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	García García, Carmen
dc.contributor.author	Gómez Cadenas, Juan José
dc.contributor.author	Hernández Rey, Juan José
dc.contributor.author	Hernando Morata, José Ángel
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Martínez Vidal, Fernando
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Navas Concha, Sergio
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Lozano Bahilo, José Julio
dc.date.accessioned	2014-04-11T11:41:36Z
dc.date.available	2014-04-11T11:41:36Z
dc.date.issued	1995
dc.identifier.citation	DELPHI Collaboration Castillo Giménez, María Victoria Ferrer Soria, Antonio Higón Rodríguez, Emilio 1995 Study of prompt photon production in hadronic Z° decays. Zeitschrift für Physik C-Particles and Fields 69 1 1 13
dc.identifier.uri	http://hdl.handle.net/10550/34599
dc.description.abstract	From a sample of 1.5 million Z0 ! qq decays collected by the DELPHI detector during 1991, 1992 and 1993, the production cross section for isolated nal state photons is measured and is compared with the O( ; s) matrix element calculations implemented in the EEPRAD and GNJETS Monte Carlo generators. The observed photon yield is used to derive the electroweak couplings of charge 2/3 (u-type) and charge 1/3 (d-type) quarks to the Z0 boson. The measured values c2=3 = 0:91+0:25 0:36 and c1=3 = 1:62+0:24 0:17 are compatible with the Standard Model prediction, c2=3 = 1:145 and c1=3 = 1:477.
dc.relation.ispartof	Zeitschrift für Physik C-Particles and Fields, 1995, vol. 69, num. 1, p. 1-13
dc.subject	Col·lisions (Física nuclear)
dc.subject	Partícules (Física nuclear)
dc.subject	Física nuclear
dc.title	Study of prompt photon production in hadronic Z° decays.
dc.type	journal article	es_ES
dc.date.updated	2014-04-11T11:41:36Z
dc.identifier.doi	10.1007/s002880050001
dc.identifier.idgrec	006585
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1007/s002880050001