Energy Dependence of P-o16 Elastic Scattering Between 20 and 50 MeV and the Optical Model PDF Download
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Author: John Montgomery Cameron Publisher: ISBN: Category : Oxygen Languages : en Pages : 258
Book Description
Differential cross sections for the elastic scattering of protons by oxygen were measured at incident 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 the center of mass scattering angles from 10 to 160 degrees and have a relative uncertainty smaller than 2%. The results show strong resonances to exist below 30 MeV which appreciably distort the monotonic energy variation found at the higher energies. The results were compared with those obtained by other investigators in this energy region. Total reaction cross sections for proton incident on oxygen were measured at energies of 27.2, 34.2, 40.6 and 45.2 MeV using a beam attenuation technique. The results show a slow decrease with increasing energy. A preliminary optical model analysis of the differential cross section data, together with polarization data at the same energies, was made in the energy range 30 - 40 MeV using an eleven parameter optical model search code. This analysis demonstrated that the model is able to fit the data to large scattering angles with its parameters still retaining a smooth energy dependence. The predictions for the total cross sections were in good agreement with the measurements. (Author).
Author: John Montgomery Cameron Publisher: ISBN: Category : Oxygen Languages : en Pages : 258
Book Description
Differential cross sections for the elastic scattering of protons by oxygen were measured at incident 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 the center of mass scattering angles from 10 to 160 degrees and have a relative uncertainty smaller than 2%. The results show strong resonances to exist below 30 MeV which appreciably distort the monotonic energy variation found at the higher energies. The results were compared with those obtained by other investigators in this energy region. Total reaction cross sections for proton incident on oxygen were measured at energies of 27.2, 34.2, 40.6 and 45.2 MeV using a beam attenuation technique. The results show a slow decrease with increasing energy. A preliminary optical model analysis of the differential cross section data, together with polarization data at the same energies, was made in the energy range 30 - 40 MeV using an eleven parameter optical model search code. This analysis demonstrated that the model is able to fit the data to large scattering angles with its parameters still retaining a smooth energy dependence. The predictions for the total cross sections were in good agreement with the measurements. (Author).
Author: John Montgomery Cameron
Author: John Montgomery Cameron
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