The electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude

In a dispersive approach to the calculation of the electromagnetic polarizabilities of the proton, the sensitivity to the annihilation channel input is analyzed. It is shown that the isoscalar s-wave absorptive part gives the overwhelming contribution. The connection with the poorly known gamma gamm...

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Detalles Bibliográficos
Autores principales: Bernabeu, J, Tarrach, B
Lenguaje:eng
Publicado: 1977
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1016/0370-2693(77)90851-6
http://cds.cern.ch/record/878562
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author Bernabeu, J
Tarrach, B
author_facet Bernabeu, J
Tarrach, B
author_sort Bernabeu, J
collection CERN
description In a dispersive approach to the calculation of the electromagnetic polarizabilities of the proton, the sensitivity to the annihilation channel input is analyzed. It is shown that the isoscalar s-wave absorptive part gives the overwhelming contribution. The connection with the poorly known gamma gamma to pi pi amplitude is established and some numerical estimates are presented. (21 refs).
id cern-878562
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1977
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spelling cern-8785622019-09-30T06:29:59Zdoi:10.1016/0370-2693(77)90851-6http://cds.cern.ch/record/878562engBernabeu, JTarrach, BThe electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitudeParticle Physics - PhenomenologyIn a dispersive approach to the calculation of the electromagnetic polarizabilities of the proton, the sensitivity to the annihilation channel input is analyzed. It is shown that the isoscalar s-wave absorptive part gives the overwhelming contribution. The connection with the poorly known gamma gamma to pi pi amplitude is established and some numerical estimates are presented. (21 refs).oai:cds.cern.ch:8785621977
spellingShingle Particle Physics - Phenomenology
Bernabeu, J
Tarrach, B
The electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude
title The electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude
title_full The electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude
title_fullStr The electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude
title_full_unstemmed The electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude
title_short The electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude
title_sort electromagnetic polarizabilities of the proton and the scalar- isoscalar gamma gamma to pi pi amplitude
topic Particle Physics - Phenomenology
url https://dx.doi.org/10.1016/0370-2693(77)90851-6
http://cds.cern.ch/record/878562
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