Experimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/c

pn annihilations into three and five charged mesons with or without neutrals have been studied, in order to measure the contributions of the various final states to the 5.5 mb enhancement discovered in the total I=1 NN cross section at 2190 MeV total CM energy. Fits have been performed to the cross...

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Detalles Bibliográficos
Autores principales: Alston-Garnjost, M, Bertanza, L, Bettini, A, Bigi, A, Borreani, G, Casali, R, Cresti, M, Huesman, R H, Lariccia, P, Mazzucato, M, Pazzi, R, Peruzzo, L, Quassiati, B, Rinaudo, G, Ross, R, Sartori, G, Sartori, S, Solmitz, F T, Vigone, M, Zumerle, G
Lenguaje:eng
Publicado: CERN 1974
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.5170/CERN-1974-018.102
http://cds.cern.ch/record/867136
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author Alston-Garnjost, M
Bertanza, L
Bettini, A
Bigi, A
Borreani, G
Casali, R
Cresti, M
Huesman, R H
Lariccia, P
Mazzucato, M
Pazzi, R
Peruzzo, L
Quassiati, B
Rinaudo, G
Ross, R
Sartori, G
Sartori, S
Solmitz, F T
Vigone, M
Zumerle, G
author_facet Alston-Garnjost, M
Bertanza, L
Bettini, A
Bigi, A
Borreani, G
Casali, R
Cresti, M
Huesman, R H
Lariccia, P
Mazzucato, M
Pazzi, R
Peruzzo, L
Quassiati, B
Rinaudo, G
Ross, R
Sartori, G
Sartori, S
Solmitz, F T
Vigone, M
Zumerle, G
author_sort Alston-Garnjost, M
collection CERN
description pn annihilations into three and five charged mesons with or without neutrals have been studied, in order to measure the contributions of the various final states to the 5.5 mb enhancement discovered in the total I=1 NN cross section at 2190 MeV total CM energy. Fits have been performed to the cross sections as functions of the incident p momentum with background plus a resonant term. The fits show enhancement in several final states, the statistically most significant one being in the reaction pn to pi /sup +/ pi /sup -/ pi /sup -/ (0.51+or-0.13 mb over a background of 1.4 mb). Less significant effects are also found in all other pionic annihilation final states regardless of their G-parity. (2 refs).
id cern-867136
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1974
publisher CERN
record_format invenio
spelling cern-8671362019-09-30T06:29:59Zdoi:10.5170/CERN-1974-018.102http://cds.cern.ch/record/867136engAlston-Garnjost, MBertanza, LBettini, ABigi, ABorreani, GCasali, RCresti, MHuesman, R HLariccia, PMazzucato, MPazzi, RPeruzzo, LQuassiati, BRinaudo, GRoss, RSartori, GSartori, SSolmitz, F TVigone, MZumerle, GExperimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/cParticle Physics - Phenomenologypn annihilations into three and five charged mesons with or without neutrals have been studied, in order to measure the contributions of the various final states to the 5.5 mb enhancement discovered in the total I=1 NN cross section at 2190 MeV total CM energy. Fits have been performed to the cross sections as functions of the incident p momentum with background plus a resonant term. The fits show enhancement in several final states, the statistically most significant one being in the reaction pn to pi /sup +/ pi /sup -/ pi /sup -/ (0.51+or-0.13 mb over a background of 1.4 mb). Less significant effects are also found in all other pionic annihilation final states regardless of their G-parity. (2 refs).CERNoai:cds.cern.ch:8671361974
spellingShingle Particle Physics - Phenomenology
Alston-Garnjost, M
Bertanza, L
Bettini, A
Bigi, A
Borreani, G
Casali, R
Cresti, M
Huesman, R H
Lariccia, P
Mazzucato, M
Pazzi, R
Peruzzo, L
Quassiati, B
Rinaudo, G
Ross, R
Sartori, G
Sartori, S
Solmitz, F T
Vigone, M
Zumerle, G
Experimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/c
title Experimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/c
title_full Experimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/c
title_fullStr Experimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/c
title_full_unstemmed Experimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/c
title_short Experimental study of p.bar.n annihilations between 1.0 and 1.6 GeV/c
title_sort experimental study of p.bar.n annihilations between 1.0 and 1.6 gev/c
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.5170/CERN-1974-018.102
http://cds.cern.ch/record/867136
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