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Inelastic Electron Scattering from 18O

Publication: Canadian Journal of Physics
November 1971

Abstract

The inelastic electron scattering cross sections for the excitation of the levels in 18O lying below 6.0 MeV have been measured in the momentum transfer range 0.5 < q < 1.0 fm−1. Excitation of the following T = 1 levels was observed: 1.98 MeV (2+), 3.63 MeV (0+), 3.92 MeV (2+), 4.45 MeV (1), 5.09 MeV (3), 5.25 MeV (2+), and 5.33 MeV (0+). Estimates of transition probabilities to the ground state have been made through a parameterization of the data using the generalized Helm model. Longitudinal form factors calculated from the wave functions of Benson and Irvine show excellent agreement with the experimental form factors.

Résumé

Les sections efficaces de diffusion inélastique des électrons pour l'excitation des niveaux de 18O situés au dessous de 6.0 MeV ont été mesurées dans le domaine de transfert d'impulsion 0.5 < q < 1.0 fm−1. L'excitation des niveaux T = 1 suivants a été observée : 1.98 MeV (2+), 3.63 MeV (0+), 3.92 MeV (2+), 4.45 MeV (1), 5.09 MeV (3), 5.25 MeV (2+) et 5.33 MeV (0+). On a estimé les probabilités de transition à l'état fondamental à l'aide d'une paramétrisation des données utilisant le modèle de Helm généralisé. Les facteurs de forme longitudinaux calculés à partir des fonctions d'onde de Benson et Irvine montrent un excellent accord avec les facteurs de forme expérimentaux.

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cover image Canadian Journal of Physics
Canadian Journal of Physics
Volume 49Number 22November 1971
Pages: 2743 - 2753

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Version of record online: 11 February 2011

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Cited by

1. Low-energy spectra of mirror mass-19 nuclei with a collective coupled-channel scattering model
2. Electromagnetic Properties and Collective Models of Structure
3. Nuclear Data Sheets for A = 207
4. Electric monopole transitions between 0+ states for nuclei throughout the periodic table
5. Inelastic electron scattering from O18 at backward angles
6. Electroexcitation of negative-parity states in O18
7. High-resolution inelastic electron scattering from O17
8. Distorted-wave impulse approximation and coupled-channels analysis of inelastic pion scattering from O18
9. Isospin structure of transitions in O17 from inelastic pion scattering at 164 MeV
10. Nuclear Data Sheets for A=207
11. Inelastic scattering and one-neutron-transfer reactions of O18 + Ca40
12. Inelastic electron scattering from O18
13. Inelastic pion scattering from O18
14. Neutron Deformation Parameter from Comparative Study of π+ and π− Inelastic Scattering
15. Nuclear data sheets for A = 207
16. E0 decay of the two first excited 0+ states in O18
17. Macroscopic and microscopic model analysis of polarized protons scattering on O18

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