The reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies

Systematic features of the channel pp to 2 pi /sup -/2 pi /sup +/ are examined in the antiproton momentum range 2.5 to 4.6 GeV/c. It is found that as the antiproton momentum increases, exchange effects become increasingly important and a 'leading pion' emerges. This pion leaves a 'clu...

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Detalles Bibliográficos
Autores principales: Everett, D, Grossman, P, Mason, P, Muirhead, William Hugh
Lenguaje:eng
Publicado: CERN 1974
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.5170/CERN-1974-018.525
http://cds.cern.ch/record/867170
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author Everett, D
Grossman, P
Mason, P
Muirhead, William Hugh
author_facet Everett, D
Grossman, P
Mason, P
Muirhead, William Hugh
author_sort Everett, D
collection CERN
description Systematic features of the channel pp to 2 pi /sup -/2 pi /sup +/ are examined in the antiproton momentum range 2.5 to 4.6 GeV/c. It is found that as the antiproton momentum increases, exchange effects become increasingly important and a 'leading pion' emerges. This pion leaves a 'cluster' of three pions which preferentially decays to a pion plus a two-pion resonance ( rho , f, g mesons). The cluster is found to possess relatively weak internal directional properties. Both the leading pion and the pions in the cluster possess high transverse momenta. (0 refs).
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institution Organización Europea para la Investigación Nuclear
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publishDate 1974
publisher CERN
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spelling cern-8671702019-09-30T06:29:59Zdoi:10.5170/CERN-1974-018.525http://cds.cern.ch/record/867170engEverett, DGrossman, PMason, PMuirhead, William HughThe reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energiesParticle Physics - PhenomenologySystematic features of the channel pp to 2 pi /sup -/2 pi /sup +/ are examined in the antiproton momentum range 2.5 to 4.6 GeV/c. It is found that as the antiproton momentum increases, exchange effects become increasingly important and a 'leading pion' emerges. This pion leaves a 'cluster' of three pions which preferentially decays to a pion plus a two-pion resonance ( rho , f, g mesons). The cluster is found to possess relatively weak internal directional properties. Both the leading pion and the pions in the cluster possess high transverse momenta. (0 refs).CERNoai:cds.cern.ch:8671701974
spellingShingle Particle Physics - Phenomenology
Everett, D
Grossman, P
Mason, P
Muirhead, William Hugh
The reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies
title The reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies
title_full The reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies
title_fullStr The reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies
title_full_unstemmed The reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies
title_short The reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies
title_sort reaction pp to 2 pi /sup -/2 pi /sup +/ at intermediate energies
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.5170/CERN-1974-018.525
http://cds.cern.ch/record/867170
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