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Study of dimuon production in photon-photon collisions and measurement of QED photon structure functions at LEP

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Study of dimuon production in photon-photon collisions and measurement of QED photon structure functions at LEP

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dc.contributor.author	DELPHI Collaboration
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Costa Mezquita, María José
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	Gil Botella, Inés
dc.contributor.author	Hernández Rey, Juan José
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Martínez Vidal, Fernando
dc.contributor.author	Navas Concha, Sergio
dc.contributor.author	Oyanguren Campos, Arantza
dc.contributor.author	Perepelitsa, V.
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Tortosa Martínez, Pablo
dc.date.accessioned	2014-03-29T11:27:31Z
dc.date.available	2014-03-29T11:27:31Z
dc.date.issued	2001
dc.identifier.citation	DELPHI Collaboration Castillo Giménez, María Victoria Costa, M. Cortina, E. Costa Mezquita, María José Ferrer Soria, Antonio Fuster Verdú, Juan A. García García, Carmen Gil, I. Hernández Rey, Juan José Higón Rodríguez, Emilio Martínez Vidal, Fernando Navas, S. Oyanguren Campos, Arantza Perepelitsa, V. Salt Cairols, José ,Tortosa Martínez, Pablo, 2001 Study of dimuon production in photon-photon collisions and measurement of QED photon structure functions at LEP European Physical Journal C 19 1 15 28
dc.identifier.uri	http://hdl.handle.net/10550/33786
dc.description.abstract	Muon pair production in the process e+e- -> e+e-mu+mu- is studied using the data taken at LEP1 (sqrt(s) \simeq m_Z) with the DELPHI detector during the years 1992-1995. The corresponding integrated luminosity is 138.5 pb^{-1}. The QED predictions have been tested over the whole Q^2 range accessible at LEP1 (from several GeV^2/c^4 to several hundred GeV^2/c^4) by comparing experimental distributions with distributions resulting from Monte Carlo simulations using various generators. Selected events are used to extract the leptonic photon structure function F_2^\gamma. Azimuthal correlations are used to obtain information on additional structure functions, F_A^\gamma and F_B^\gamma, which originate from interference terms of the scattering amplitudes. The measured ratios F_A^\gamma/F_2^\gamma and F_B^\gamma/F_2^\gamma are significantly different from zero and consistent with QED predictions.
dc.relation.ispartof	European Physical Journal C, 2001, vol. 19, num. 1, p. 15-28
dc.subject	Física nuclear
dc.subject	Partícules (Física nuclear)
dc.title	Study of dimuon production in photon-photon collisions and measurement of QED photon structure functions at LEP
dc.type	journal article	es_ES
dc.date.updated	2014-03-29T11:27:31Z
dc.identifier.doi	10.1007/s100520100592
dc.identifier.idgrec	006729
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1007/s100520100592