Beam tomography in two and four dimensions. [100 MeV H/sup +/ beams and 750 keV H/sup -/ beams]

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The coming generations of high beam-power accelerators require new techniques to monitor the emittance and the shape of the beam; in particular, measurements that do not interfere with the beam itself are necessary. A new computational algorithm, MENT (Maximum ENTropy), will be presented that combines nondestructive profile measurements taken from a number of stations along the beam line with beam-dynamics calculations to compute a four-dimensional phase-space distribution. A version of MENT has been used on experimental data to reconstruct the two-dimensional transverse emittance of the Clinton P. Anderson Meson Physics Facility (LAMPF) proton beam at 100 MeV and the H/sup … continued below

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6 pages

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Sander, O. R.; Minerbo, G. N.; Jameson, R. A. & Chamberlin, D. D. January 1, 1979.

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The coming generations of high beam-power accelerators require new techniques to monitor the emittance and the shape of the beam; in particular, measurements that do not interfere with the beam itself are necessary. A new computational algorithm, MENT (Maximum ENTropy), will be presented that combines nondestructive profile measurements taken from a number of stations along the beam line with beam-dynamics calculations to compute a four-dimensional phase-space distribution. A version of MENT has been used on experimental data to reconstruct the two-dimensional transverse emittance of the Clinton P. Anderson Meson Physics Facility (LAMPF) proton beam at 100 MeV and the H/sup -/ beam at 750 keV. Wire scanners at three stations were used to get the one-dimensional profiles. Results will be compared with those gained using the destructive slit and collector method and with those gained using MART (Multiplicative Algebraic Reconstruction Technique) on the same three profiles.

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6 pages

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Dep. NTIS, PC A02/MF A01.

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  • Linear accelerator conference, Montauk, NY, USA, 10 Sep 1979

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  • Report No.: LA-UR-79-2540
  • Report No.: CONF-790927-20
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 6048879
  • Archival Resource Key: ark:/67531/metadc1099167

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  • January 1, 1979

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  • Feb. 18, 2018, 3:59 p.m.

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  • June 15, 2020, 9:53 p.m.

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Sander, O. R.; Minerbo, G. N.; Jameson, R. A. & Chamberlin, D. D. Beam tomography in two and four dimensions. [100 MeV H/sup +/ beams and 750 keV H/sup -/ beams], article, January 1, 1979; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1099167/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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