Monthly report of activities: MAY 1, 1969

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Some of the activities this month are: (1) The AEC authorization bill was passed by the House of Representatives on April 4 and by the Senate on April 8. It has been signed by the President. The 200 BeV accelerator is authorized for construction in fiscal year 1969, with a total authorization of $32.333 million. The appropriation bill is in the House at the time of this report. (2) A tentative decision has been made to incorporate an injection storage ring into the accelerator design. This ring, if built, will have the radius of the main synchrotron and will be ... continued below

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Creator: Unknown. May 1, 1968.

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Description

Some of the activities this month are: (1) The AEC authorization bill was passed by the House of Representatives on April 4 and by the Senate on April 8. It has been signed by the President. The 200 BeV accelerator is authorized for construction in fiscal year 1969, with a total authorization of $32.333 million. The appropriation bill is in the House at the time of this report. (2) A tentative decision has been made to incorporate an injection storage ring into the accelerator design. This ring, if built, will have the radius of the main synchrotron and will be mounted on the wall of the main-ring enclosure. In order to avoid confusion with the CERN ISR, we have decided to call our device the accumulator. Protons will be injected into the accumulator from the booster at 10 GeV kinetic energy. Thirteen bunches will be stored during the 2.6-second cycle. They will then be extracted from the accumulator in one turn and injected into the main ring. The principal advantage of the accumulator is that the booster works continuously rather than in short bursts. The repetition rate of the booster will therefore be reduced from 15 Hz to 5 Hz. The resulting reduction in the estimated cost of the booster rf system is comparable to the estimated cost of the accumulator. The accumulator lattice is to be the same as the main ring, except that there will be three bending magnets between quadrupoles instead of four, in order to reduce stray fields. Various injection storage rings have been discussed over the past several years. The specific idea of utilizing such a ring in the 200 BeV accelerator was proposed to the Laboratory last summer by D. A. Swenson of Los Alamos. The decision will be reexamined in a few weeks before becoming final.

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  • Report No.: FERMILAB-NAL-1968-MAY
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/945415 | External Link
  • Office of Scientific & Technical Information Report Number: 945415
  • Archival Resource Key: ark:/67531/metadc900129

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  • May 1, 1968

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 6, 2016, 1:39 p.m.

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Monthly report of activities: MAY 1, 1969, report, May 1, 1968; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc900129/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.