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Production characteristics of K0 and light meson resonances in hadronic decays of the Z0

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Production characteristics of K0 and light meson resonances in hadronic decays of the Z0

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dc.contributor.author	DELPHI Collaboration
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	Cases Ruiz, Ramón
dc.contributor.author	Ferrer Soria, Antonio
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	Lozano Bahilo, José Julio
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.date.accessioned	2014-05-06T11:36:05Z
dc.date.available	2014-05-06T11:36:05Z
dc.date.issued	1995
dc.identifier.citation	DELPHI Collaboration Castillo Giménez, María Victoria Higón Rodríguez, Emilio Cases Ruiz, Manuel Ramón Ferrer Soria, Antonio 1995 Production characteristics of K0 and light meson resonances in hadronic decays of the Z0 Zeitschrift für Physik C-Particles and Fields 65 4 587 602
dc.identifier.uri	http://hdl.handle.net/10550/34925
dc.description.abstract	An analysis of inclusive production of K0 and the meson resonances K±(892), ρ0(770),f 0(975) andf 2(1270) in hadronic decays of the Z0 is presented, based on about 973,000 multihadronic events collected by the DELPHI detector at LEP during 1991 and 1992. Overall multiplicities have been determined as 1.962±0.060 K0 mesons, 0.712±0.067 K±(892) and 1.21±0.15ρ0(770) per hadronic Z0 decay. The average multiplicities off 0(975) for scaled momentum,x p , in the range 0.05≤x p ≤0.6 and off 2(1270) for 0.05≤x p ≤1.0 are 0.098±0.016 and 0.170±0.043 respectively. Thef 0(975) and ρ0(770)x p -spectra have similar shapes. Thef 2(1270)/ρ0(770) ratio increases withx p . The average multiplicities and the differential cross sections are compared with the JETSET Parton Shower model. The model with default parameters fails to reproduce the experimental K0 momentum spectrum at low momentum, describes the K*±(892) and ρ0(770)x p -spectrum shapes, but significantly overestimates their production rates
dc.relation.ispartof	Zeitschrift für Physik C-Particles and Fields, 1995, vol. 65, num. 4, p. 587-602
dc.subject	Partícules (Física nuclear)
dc.subject	Detectors de radiació
dc.title	Production characteristics of K0 and light meson resonances in hadronic decays of the Z0
dc.type	journal article	es_ES
dc.date.updated	2014-05-06T11:36:05Z
dc.identifier.doi	10.1007/BF01578668
dc.identifier.idgrec	006564
dc.rights.accessRights	open access	es_ES