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Charmonium resonance formation in $\gamma\gamma$ collisions with the L3 detector
Measurements of the two-photon partial widths of the charmonium mesons chi /sub c2/ and eta /sub c/ from data collected by the L3 detector are presented. The data comprises 140 pb/sup -1/ at square root (s) approximately=91 GeV and 52 pb/sup -1/ at square root (s) approximately=183 GeV. The Q/sup 2/...
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Lenguaje: | eng |
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2000
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Acceso en línea: | https://dx.doi.org/10.1016/S0375-9474(99)00705-8 http://cds.cern.ch/record/443876 |
_version_ | 1780895841278492672 |
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author | Blyth, S C |
author_facet | Blyth, S C |
author_sort | Blyth, S C |
collection | CERN |
description | Measurements of the two-photon partial widths of the charmonium mesons chi /sub c2/ and eta /sub c/ from data collected by the L3 detector are presented. The data comprises 140 pb/sup -1/ at square root (s) approximately=91 GeV and 52 pb/sup -1/ at square root (s) approximately=183 GeV. The Q/sup 2/ dependence of the eta /sub c/ cross section is studied for Q/sup 2/<9 GeV/sup 2/. A J/ psi pole form factor in the VMD model is found to describe the data better than a rho pole. (13 refs). |
id | cern-443876 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2000 |
record_format | invenio |
spelling | cern-4438762019-09-30T06:29:59Zdoi:10.1016/S0375-9474(99)00705-8http://cds.cern.ch/record/443876engBlyth, S CCharmonium resonance formation in $\gamma\gamma$ collisions with the L3 detectorParticle Physics - ExperimentMeasurements of the two-photon partial widths of the charmonium mesons chi /sub c2/ and eta /sub c/ from data collected by the L3 detector are presented. The data comprises 140 pb/sup -1/ at square root (s) approximately=91 GeV and 52 pb/sup -1/ at square root (s) approximately=183 GeV. The Q/sup 2/ dependence of the eta /sub c/ cross section is studied for Q/sup 2/<9 GeV/sup 2/. A J/ psi pole form factor in the VMD model is found to describe the data better than a rho pole. (13 refs).oai:cds.cern.ch:4438762000 |
spellingShingle | Particle Physics - Experiment Blyth, S C Charmonium resonance formation in $\gamma\gamma$ collisions with the L3 detector |
title | Charmonium resonance formation in $\gamma\gamma$ collisions with the L3 detector |
title_full | Charmonium resonance formation in $\gamma\gamma$ collisions with the L3 detector |
title_fullStr | Charmonium resonance formation in $\gamma\gamma$ collisions with the L3 detector |
title_full_unstemmed | Charmonium resonance formation in $\gamma\gamma$ collisions with the L3 detector |
title_short | Charmonium resonance formation in $\gamma\gamma$ collisions with the L3 detector |
title_sort | charmonium resonance formation in $\gamma\gamma$ collisions with the l3 detector |
topic | Particle Physics - Experiment |
url | https://dx.doi.org/10.1016/S0375-9474(99)00705-8 http://cds.cern.ch/record/443876 |
work_keys_str_mv | AT blythsc charmoniumresonanceformationingammagammacollisionswiththel3detector |