The Elastic Scattering of Protons by F¹⁹ and N¹⁴

Author: Webb, Theodore Stratton

Year: 1955

Degree: Dissertation (Ph.D.)

Advisor: Fowler, William A.

Committee Members: Fowler, William A.; Lauritsen, Charles Christian; Lauritsen, Thomas; Barnes, Charles A.

Option: Physics; Mathematics

DOI: 10.7907/7GKE-MN22

Abstract

NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document.

The elastic scattering of protons by F19 and N14 has been investigated in the proton energy range 550 to 1800 kev. For F19(p,p) the differential cross section has been measured for proton energies from 550 to 1800 kev at center-of-mass angles of 90, 125.3, and 159.8 degrees and for proton energies from 1300 to 1500 kev at 53.2, 60, 70, 80, 100, 110, and 136 degrees. Pronounced scattering anomalies were observed near [...] and 1700 kev. For N14(p,p) the cross section has been measured from 600 to 1800 kev at 154 degrees and from 1.0 to 1.1 and 1.4 to 1.8 Mev at 90 and 125.3 degrees. Anomalies were observed near [...] and 1.79 ([...]) Mev. The indicated spin and parity assignments are required by the results of these experiments. The relative stopping cross section for protons in LiF has been measured for proton energies from 400 to 1600 kev, and experimental and theoretical investigations of the effects of finite energy resolution on observed cross sections have been made.

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