Formation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEP

The K/sub S//sup 0/K/sup +or-/ pi /sup -or+/ final state in two- photon collisions is studied with the L3 detector at LEP at centre of mass energies from 160 GeV to 189 GeV. An enhancement in the mass spectrum around 1450 MeV is seen. The Q/sup 2/ distribution indicates the presence of the pseudosca...

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Autor principal: Vodopyanov, I
Lenguaje:eng
Publicado: 2000
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/S0920-5632(00)00173-0
http://cds.cern.ch/record/449549
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author Vodopyanov, I
author_facet Vodopyanov, I
author_sort Vodopyanov, I
collection CERN
description The K/sub S//sup 0/K/sup +or-/ pi /sup -or+/ final state in two- photon collisions is studied with the L3 detector at LEP at centre of mass energies from 160 GeV to 189 GeV. An enhancement in the mass spectrum around 1450 MeV is seen. The Q/sup 2/ distribution indicates the presence of the pseudoscalar eta (1440), observed in the gamma gamma collisions for the first time, and possibly the presence of a vector meson f/sub 1/(1420) or f/sub 1/(1510). The two-photon width of eta (1440) for the K/sub S//sup 0/K/sup +or-/ pi /sup -or+/ decay mode is determined. The hypothesis of eta (1440) being a gluonium state is examined. (5 refs).
id cern-449549
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2000
record_format invenio
spelling cern-4495492019-09-30T06:29:59Zdoi:10.1016/S0920-5632(00)00173-0http://cds.cern.ch/record/449549engVodopyanov, IFormation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEPParticle Physics - ExperimentThe K/sub S//sup 0/K/sup +or-/ pi /sup -or+/ final state in two- photon collisions is studied with the L3 detector at LEP at centre of mass energies from 160 GeV to 189 GeV. An enhancement in the mass spectrum around 1450 MeV is seen. The Q/sup 2/ distribution indicates the presence of the pseudoscalar eta (1440), observed in the gamma gamma collisions for the first time, and possibly the presence of a vector meson f/sub 1/(1420) or f/sub 1/(1510). The two-photon width of eta (1440) for the K/sub S//sup 0/K/sup +or-/ pi /sup -or+/ decay mode is determined. The hypothesis of eta (1440) being a gluonium state is examined. (5 refs).oai:cds.cern.ch:4495492000
spellingShingle Particle Physics - Experiment
Vodopyanov, I
Formation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEP
title Formation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEP
title_full Formation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEP
title_fullStr Formation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEP
title_full_unstemmed Formation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEP
title_short Formation of light resonances in $\gamma\gamma$ collisions in the $K_{S}^{0} K^{\pm}\pi^{\mp}$ final state at LEP
title_sort formation of light resonances in $\gamma\gamma$ collisions in the $k_{s}^{0} k^{\pm}\pi^{\mp}$ final state at lep
topic Particle Physics - Experiment
url https://dx.doi.org/10.1016/S0920-5632(00)00173-0
http://cds.cern.ch/record/449549
work_keys_str_mv AT vodopyanovi formationoflightresonancesingammagammacollisionsintheks0kpmpimpfinalstateatlep

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