Proton-Proton Scattering at 437 Mev

Sutton, R. B.; Fields, T. H.; Fox, J. G.; Kane, J. A.; Mott, W. E.; Stallwood, R. A.

doi:10.1103/physrev.97.783

Proton-Proton Scattering at 437 Mev

Journal Article · Tue Feb 01 00:00:00 EST 1955 · Physical Review

DOI:https://doi.org/10.1103/physrev.97.783· OSTI ID:4386838

Sutton, R. B. ^[1]; Fields, T. H. ^[1]; Fox, J. G. ^[1]; Kane, J. A. ^[1]; Mott, W. E. ^[1]; Stallwood, R. A. ^[1]

Carnegie Inst. of Technology, Pittsburgh, PA (United States)

This paper is a detailed account of measurements, already briefly reported, of the angular distribution of proton-proton scattering at 437 Mev. A description is given of the external proton beam: its collimation, angular spread, energy spectrum, and intensity. The counters, electronics, and targets are described. Two scattering arrangements were used. In one the polyethylene-carbon subtraction method with coincidence detection of the scattered and recoil protons was employed. In the other a counter telescope detected the protons emerging at a given angle from a liquid hydrogen target; at the larger angles but not at the smaller the scattered pairs could also be detected by coincidences between the telescope and another counter. At the smaller angles, when coincidence counting could not be used to insure detection of elastic p – p scattering, precautions were taken to absorb the particles produced in inelastic p – p collisions. Finally, the results are that the differential cross section for elastic proton-proton scattering rises smoothly from its value at 90° c.m. to a value about 20 percent higher at 17° c.m. The value at 90° c.m. is 3.49 ± 0.17 mb/sterad.

View Accepted Manuscript (DOE)

Research Organization:: Carnegie Inst. of Technology, Pittsburgh, PA (United States)

Sponsoring Organization:: US Atomic Energy Commission (AEC)

NSA Number:: NSA-09-000776

OSTI ID:: 4386838

Report Number(s):: NYO--6538

Journal Information:: Physical Review, Journal Name: Physical Review Journal Issue: 3 Vol. 97; ISSN 0031-899X

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Proton-Proton Scattering at 437 Mev

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