The absorption of $\pi^{-}$ at rest on complex nuclei

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The energy, width and intensity of prompt nuclear gamma -rays following capture of pi /sup -/ at rest by /sup 9/Be, /sup 10/B, /sup 16/O, /sup 19/F, /sup 31/P, Ca and /sup 93/Nb were measured with a Ge (Li) detector. In most cases it was possible to identify the final nucleus from the energy of the...

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Detalles Bibliográficos
Autores principales: Engelhardt, H D, Lewis, C W, Ullrich, H
Lenguaje:eng
Publicado: 1976
Materias:
Nuclear Physics
Acceso en línea:https://dx.doi.org/10.1016/0375-9474(76)90486-3
http://cds.cern.ch/record/874078
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author Engelhardt, H D
Lewis, C W
Ullrich, H
author_facet Engelhardt, H D
Lewis, C W
Ullrich, H
author_sort Engelhardt, H D
collection CERN
description The energy, width and intensity of prompt nuclear gamma -rays following capture of pi /sup -/ at rest by /sup 9/Be, /sup 10/B, /sup 16/O, /sup 19/F, /sup 31/P, Ca and /sup 93/Nb were measured with a Ge (Li) detector. In most cases it was possible to identify the final nucleus from the energy of the observed gamma -ray. Using the measured Doppler broadening of gamma -rays from short-lived states, the vector sum momentum distribution of the emitted nucleons was calculated. From the measured gamma -ray intensities, isotopic yields were deduced corresponding to the removal of from 1 to 12 nucleons. The average number of removed nucleons changes from 3.0 to 5.5 as the target varies from /sup 16/O to /sup 40/Ca. A comparison was made with data from both spallation reactions and multi-nucleon pick up reactions. (40 refs).
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institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1976
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spelling cern-8740782019-09-30T06:29:59Zdoi:10.1016/0375-9474(76)90486-3http://cds.cern.ch/record/874078engEngelhardt, H DLewis, C WUllrich, HThe absorption of $\pi^{-}$ at rest on complex nucleiNuclear PhysicsThe energy, width and intensity of prompt nuclear gamma -rays following capture of pi /sup -/ at rest by /sup 9/Be, /sup 10/B, /sup 16/O, /sup 19/F, /sup 31/P, Ca and /sup 93/Nb were measured with a Ge (Li) detector. In most cases it was possible to identify the final nucleus from the energy of the observed gamma -ray. Using the measured Doppler broadening of gamma -rays from short-lived states, the vector sum momentum distribution of the emitted nucleons was calculated. From the measured gamma -ray intensities, isotopic yields were deduced corresponding to the removal of from 1 to 12 nucleons. The average number of removed nucleons changes from 3.0 to 5.5 as the target varies from /sup 16/O to /sup 40/Ca. A comparison was made with data from both spallation reactions and multi-nucleon pick up reactions. (40 refs).oai:cds.cern.ch:8740781976
spellingShingle Nuclear Physics
Engelhardt, H D
Lewis, C W
Ullrich, H
The absorption of $\pi^{-}$ at rest on complex nuclei
title The absorption of $\pi^{-}$ at rest on complex nuclei
title_full The absorption of $\pi^{-}$ at rest on complex nuclei
title_fullStr The absorption of $\pi^{-}$ at rest on complex nuclei
title_full_unstemmed The absorption of $\pi^{-}$ at rest on complex nuclei
title_short The absorption of $\pi^{-}$ at rest on complex nuclei
title_sort absorption of $\pi^{-}$ at rest on complex nuclei
topic Nuclear Physics
url https://dx.doi.org/10.1016/0375-9474(76)90486-3
http://cds.cern.ch/record/874078
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