Some conceptual designs for a LASSY spectrometer magnet

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The LASSY spectrometer is a gas filled spectrometer (hydrogen or helium at a pressure of about 1 torr). The design bending power for the primary bending magnet for the spectrometer will have an induction bend radius product of 2.5 tesla-meters. In order to increase the acceptance of the spectrometer, the bending magnet system must be located close to the target where the desired nuclei are created. The spectrometer magnet system must consist of both bending and focusing elements so that the wide acceptance of particles can be brought to a focus at the analysis point that is down stream from ... continued below

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15 p.

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Green, M.A. September 1, 1995.

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Description

The LASSY spectrometer is a gas filled spectrometer (hydrogen or helium at a pressure of about 1 torr). The design bending power for the primary bending magnet for the spectrometer will have an induction bend radius product of 2.5 tesla-meters. In order to increase the acceptance of the spectrometer, the bending magnet system must be located close to the target where the desired nuclei are created. The spectrometer magnet system must consist of both bending and focusing elements so that the wide acceptance of particles can be brought to a focus at the analysis point that is down stream from the last magnet element. In order improve the spectrometer resolution and to catch the shortest lived nuclei, the length of the magnet system must be as short as possible. The length for the LASSY spectrometer magnet system from the target to the analysis point has been set at 2.5 meters or less. To improve the resolution of the spectrometer, the bending angle for bending magnet system must be increased to close to 180 degrees. In order to achieve a large bending angle and a short magnet system length, the bending induction must be above 3 tesla and the focusing elements must be combined with the bending elements. As a result, a LASSY spectrometer will have bending magnet with a bending angle from 140 to 170 degrees. This magnet win be combined with one or more focusing magnets (a straight dipole in some places and a combined function dipole in other places). The result is a single superconducting bending magnet with one or more quadrupoles incorporated within the large angle bending magnet.

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15 p.

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INIS; OSTI as DE96004717

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  • Workshop on a large angle spectrometer system, Berkeley, CA (United States), 16-17 Sep 1995

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  • Other: DE96004717
  • Report No.: LBL--37807
  • Report No.: SC-MAG--524;CONF-9509292--1
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 200702
  • Archival Resource Key: ark:/67531/metadc670414

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  • September 1, 1995

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  • June 29, 2015, 9:42 p.m.

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  • April 5, 2016, 10:49 a.m.

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Green, M.A. Some conceptual designs for a LASSY spectrometer magnet, article, September 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc670414/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.