Design and testing of the AGS Booster BPM detector

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The AGS Booster beam position monitor system must accurately measure the position of beams and bunches over a wide range of intensity. The frequency of operation must also cover a wide range (600 kHz to 4.2 MHz) since the Booster accelerates both protons and heavy ions. Split-cylinder electrodes were chosen to monitor the position of the beam because of their good low frequency response and high linearity. The need to accelerate low-energy partially-stripped heavy ions requires the pick-up electrodes (PUEs) to operate in a 3 {times} 10{sup {minus}11} torr vacuum. The PUEs are to measure the beam position to an ... continued below

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Pages: (3 p)

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Thomas, R.; Ciardullo, D.J. & Van Zwienen, W. January 1, 1991.

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The AGS Booster beam position monitor system must accurately measure the position of beams and bunches over a wide range of intensity. The frequency of operation must also cover a wide range (600 kHz to 4.2 MHz) since the Booster accelerates both protons and heavy ions. Split-cylinder electrodes were chosen to monitor the position of the beam because of their good low frequency response and high linearity. The need to accelerate low-energy partially-stripped heavy ions requires the pick-up electrodes (PUEs) to operate in a 3 {times} 10{sup {minus}11} torr vacuum. The PUEs are to measure the beam position to an absolute accuracy of {plus minus}0.5 mm and must therefore be mechanically stable despite the requirements that they be vacuum fired at 950{degree}C and baked periodically to 300{degree}C. This presentation describes both the mechanical design of the PUEs and the automated test procedure used to ensure the stability, accuracy, and linearity of each unit. 3 refs., 5 figs.

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Pages: (3 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: DE91013332
  • Report No.: BNL-45411
  • Report No.: CONF-910505--139
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5660027
  • Archival Resource Key: ark:/67531/metadc1092419

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  • January 1, 1991

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 24, 2018, 11:50 a.m.

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Thomas, R.; Ciardullo, D.J. & Van Zwienen, W. Design and testing of the AGS Booster BPM detector, article, January 1, 1991; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1092419/: accessed July 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.