Studies of the Energy Dependence of <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>p</mi></math>-<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">O</mi></mrow><mrow><mn>16</mn></mrow></msup></mrow></math> Interactions between 20 and 50 MeV. I. Measurements of the Differential Cross Sections of Protons Elastically Scattered by <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">O</mi></mrow><mrow><mn>16</mn></mrow></msup></mrow></math> at 23.4, 24.5, 27.3, 30.1, 34.1, 36.8, 39.7, 43.1, and 46.1 MeV

J. M. Cameron; J. Reginald Richardson; W. T. H. van Oers; J. W. Verba

doi:10.1103/PhysRev.167.908

Studies of the Energy Dependence of $p$ - $O^{16}$ Interactions between 20 and 50 MeV. I. Measurements of the Differential Cross Sections of Protons Elastically Scattered by $O^{16}$ at 23.4, 24.5, 27.3, 30.1, 34.1, 36.8, 39.7, 43.1, and 46.1 MeV

J. M. Cameron, J. Reginald Richardson, W. T. H. van Oers, and J. W. Verba

Phys. Rev. 167, 908 – Published 20 March 1968

Abstract

Differential cross sections for the elastic scattering of protons by oxygen were measured at mean proton energies of 23.4, 24.5, 27.3, 30.1, 34.1, 36.8, 39.7, 43.1, and 46.1 MeV. The data cover center-of-mass scattering angles from 10 to 165 deg and have a relative uncertainty smaller than 2%. An oxygen gas target was bombarded with protons obtained, using the variable-energy extraction system of the UCLA sector-focused cyclotron. The scattered protons were detected, using an array of four NaI(Tl) scintillation counters. The results show the existence of strong resonances below 30 MeV which appreciably disort the monotonic energy variation found at the higher energies. The results have been compared with those obtained by other investigation in this energy region.

Received 5 September 1967

DOI:https://doi.org/10.1103/PhysRev.167.908

Authors & Affiliations

J. M. Cameron, J. Reginald Richardson, W. T. H. van Oers^*, and J. W. Verba

Department of Physics, University of California, Los Angeles, California

^*Present address: Department of Physics, University of Manitoba, Winnipeg, Man., Canada.

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Vol. 167, Iss. 4 — March 1968

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