Electromagnetic Research Division Quarterly Progress Report, Part I for Period Ending March 31, 1952

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From abstract: "Relocation of the ion source in the 86-inch cyclotron has increased the available beam energy substantially. Modifications have also been made to permit the use of targets of 100 square inches. Proton currents of one milliampere can now be obtained readily at ~24 Mev. The 63-inch cyclotron has been completely assembled and checked. In rf tests a 75 kv dee-to-dee voltage has been maintained, under vacuum, for long periods without evidences of failures, thus exceeding the 60 kv design specification. In an investigation of proton beam distribution on the 22-inch cyclotron it has been shown that almost all … continued below

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31 pages : illustrations

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Livingston, Robert S. 1952.

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From abstract: "Relocation of the ion source in the 86-inch cyclotron has increased the available beam energy substantially. Modifications have also been made to permit the use of targets of 100 square inches. Proton currents of one milliampere can now be obtained readily at ~24 Mev. The 63-inch cyclotron has been completely assembled and checked. In rf tests a 75 kv dee-to-dee voltage has been maintained, under vacuum, for long periods without evidences of failures, thus exceeding the 60 kv design specification. In an investigation of proton beam distribution on the 22-inch cyclotron it has been shown that almost all of the loss of protons form the beam occurs within one-half of the maximum radius. The ration of H3+ to H1+ ions in the beam increases at lower at lower arc intensities in the ion source. Accelerated corrosion was found in an Inconel tube containing #14 eutectic (ARE) after a six-hour bombardment with 20 Mev protons at 4,500 watts/cc. Installation of facilities for the preparation of plutonium isotopes is nearing completion; preliminary tests are being made."

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31 pages : illustrations

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"Subject Category: Particle Accelerators and High-Voltage Machines."

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  • Report No.: ORNL-1339
  • SuDoc Number: Y 3.At 7:22/ORNL-1339
  • Grant Number: W-7405-eng-26
  • Accession or Local Control No: metadc1201256
  • Archival Resource Key: ark:/67531/metadc1201256

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  • 1952

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  • April 8, 2019, 4 p.m.

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  • July 14, 2020, 2:45 p.m.

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Thumbnail image of item number 1 in: 'Electromagnetic Research Division Quarterly Progress Report, Part I for Period Ending March 31, 1952'.
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Livingston, Robert S. Electromagnetic Research Division Quarterly Progress Report, Part I for Period Ending March 31, 1952, report, 1952; Oak Ridge, Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc1201256/: accessed November 13, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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