Bevatron Operation and Development, VII - August, Septemper,October 1955

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The major physics research effort this quarter was directed toward the detection of the antiproton. Negative particles of proton mass were first counted on September 22, 1955. On October 19, 1955 the discovery and identification of the antiproton was announced. Total cross-section measurements for {pi}{sup +} and {pi}{sup -} mesons continued. A study was made of neutron interactions and of the {gamma}-ray decay products of mesons. Proton-proton scattering was done at 2 Bev and 4 Bev using counters, and at 5.5 Bev using a 35-atmos diffusion cloud chamber. Emulsion exposure s to protons were made for three groups outside the ... continued below

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Hartsough, Walter December 16, 1955.

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Description

The major physics research effort this quarter was directed toward the detection of the antiproton. Negative particles of proton mass were first counted on September 22, 1955. On October 19, 1955 the discovery and identification of the antiproton was announced. Total cross-section measurements for {pi}{sup +} and {pi}{sup -} mesons continued. A study was made of neutron interactions and of the {gamma}-ray decay products of mesons. Proton-proton scattering was done at 2 Bev and 4 Bev using counters, and at 5.5 Bev using a 35-atmos diffusion cloud chamber. Emulsion exposure s to protons were made for three groups outside the laboratory. The bevatron facilities were improved this quarter by the addition of a heavy-duty inner-radius platform at the experimental area. New thin windows, an improved plunging beam clipper, a new 4-in. quadrupole-magnet set, and a new 12-by-60-in. analyzing magnet were added to the experimental facilities. Improvements were made in magnet-current stabilization and in reliability of the radiofrequency-accelerating systems. The beam was successfully tracked during a step in peak magnet current, and for a short time into inversion.

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  • Report No.: UCRL--3236
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.2172/877348 | External Link
  • Office of Scientific & Technical Information Report Number: 877348
  • Archival Resource Key: ark:/67531/metadc879766

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 16, 1955

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 3, 2016, 7:46 p.m.

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Hartsough, Walter. Bevatron Operation and Development, VII - August, Septemper,October 1955, report, December 16, 1955; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc879766/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.