Upgrade of LAMPF's 750-keV, H sup + transport

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The results of the upgrade to the 750-keV H{sup +} transport at LAMPF are reported. The transport takes the beam from the exit of the 750-kV column to the entrance of the 201-MHz drift tube linac. Components of the transport are used to bunch the beam, to match the beam to the linac, and to adjust the peak current of the beam. The transport is a critical section of LAMPF's accelerator system; a properly tuned and stable beam significantly reduces high-energy losses in the accelerator. The transport was upgraded to decrease the emittance growth of the beam, to facilitate tuning, ... continued below

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Pages: (4 p)

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Hurd, J.W.; Browman, A.A.; Jones, K.W. (Los Alamos National Lab., NM (USA)) & Jakobson, M.J. (Montana Univ., Missoula, MT (USA)) January 1, 1991.

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Description

The results of the upgrade to the 750-keV H{sup +} transport at LAMPF are reported. The transport takes the beam from the exit of the 750-kV column to the entrance of the 201-MHz drift tube linac. Components of the transport are used to bunch the beam, to match the beam to the linac, and to adjust the peak current of the beam. The transport is a critical section of LAMPF's accelerator system; a properly tuned and stable beam significantly reduces high-energy losses in the accelerator. The transport was upgraded to decrease the emittance growth of the beam, to facilitate tuning, and to eliminate the time-dependent transients associated with space-charge neutralization of the beam. The new transport was installed and used for beam operations in 1990. The upgrade design goals were successfully achieved. The unnormalized emittance for 95% of the beam was measured at 0.8 {pi} cm-mrad compared with 1.2 {pi} cm-mrad in the previous transport. 8 refs., 2 figs.

Physical Description

Pages: (4 p)

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OSTI; NTIS; INIS; GPO Dep.

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  • 1991 Institute of Electrical and Electronics Engineers (IEEE) particle accelerator conference (PAC), San Francisco, CA (USA), 6-9 May 1991

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  • Other: DE91011422
  • Report No.: LA-UR-91-1338
  • Report No.: CONF-910505--6
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5933329
  • Archival Resource Key: ark:/67531/metadc1100381

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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.

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  • January 1, 1991

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  • Feb. 18, 2018, 3:59 p.m.

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  • March 2, 2018, 5:22 p.m.

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Hurd, J.W.; Browman, A.A.; Jones, K.W. (Los Alamos National Lab., NM (USA)) & Jakobson, M.J. (Montana Univ., Missoula, MT (USA)). Upgrade of LAMPF's 750-keV, H sup + transport, article, January 1, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc1100381/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.