Proton-Proton Scattering at 340 MeV

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Measurements of the proton-proton differential scattering cross section using 340 Mev protons show a cross section approximately constant between 41{sup o} and 90{sup o} in the center of mass system. Two methods of counting the scattered protons have been used. The first method uses a counter telescope to count the scattered protons. The second method utilizes coincidences between counters which record the two protons involved in a single scattering process. The first method gives slightly higher cross sections; the average value of the differential cross section is (5.5 {+-} 1.0) x 10{sup -27} cm{sup 2} steradian{sup -1} in the center ... continued below

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Chamberlain, Owen & Wiegand, Clyde January 1, 1950.

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Description

Measurements of the proton-proton differential scattering cross section using 340 Mev protons show a cross section approximately constant between 41{sup o} and 90{sup o} in the center of mass system. Two methods of counting the scattered protons have been used. The first method uses a counter telescope to count the scattered protons. The second method utilizes coincidences between counters which record the two protons involved in a single scattering process. The first method gives slightly higher cross sections; the average value of the differential cross section is (5.5 {+-} 1.0) x 10{sup -27} cm{sup 2} steradian{sup -1} in the center of mass system. Although the scattering appears isotropic it is larger than can be accounted for with pure S-scattering. There is a strong suggestion, but no positive proof, that n-p and p-p forces are different.

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  • Report No.: UCRL--553
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.2172/932810 | External Link
  • Office of Scientific & Technical Information Report Number: 932810
  • Archival Resource Key: ark:/67531/metadc897518

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  • January 1, 1950

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 3, 2016, 7:59 p.m.

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Chamberlain, Owen & Wiegand, Clyde. Proton-Proton Scattering at 340 MeV, report, January 1, 1950; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc897518/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.