Energy loss estimates at several beam intensities in the Fermilab Booster

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The difference between the effective rf voltage and the accelerating voltage required to match the rate of change of the Booster magnetic field can be used to estimate the energy loss per beam turn. Although the effective rf voltage (RFSUM) and the synchronous phase can be experimentally measured and used to calculate the accelerating voltage, the calibration of the signals during the fast change of the Booster rf frequency is difficult and appears to introduce some offset to the beam energy loss estimation. An observed linear relationship between energy loss and beam intensity is used to evaluate the offset, which ... continued below

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901 Kilobytes pages

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MacLachlan, Xi Yang and James June 8, 2004.

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Description

The difference between the effective rf voltage and the accelerating voltage required to match the rate of change of the Booster magnetic field can be used to estimate the energy loss per beam turn. Although the effective rf voltage (RFSUM) and the synchronous phase can be experimentally measured and used to calculate the accelerating voltage, the calibration of the signals during the fast change of the Booster rf frequency is difficult and appears to introduce some offset to the beam energy loss estimation. An observed linear relationship between energy loss and beam intensity is used to evaluate the offset, which is then applied to the experimental data. This approach, rather than recalibrating the signals, is simple and suitable for minimizing the error in the data.

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901 Kilobytes pages

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  • Other Information: PBD: 8 Jun 2004

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  • Report No.: FERMILAB-TM-2244
  • Grant Number: AC02-76CH03000
  • DOI: 10.2172/824991 | External Link
  • Office of Scientific & Technical Information Report Number: 824991
  • Archival Resource Key: ark:/67531/metadc781059

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • June 8, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • Aug. 4, 2016, 7:43 p.m.

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MacLachlan, Xi Yang and James. Energy loss estimates at several beam intensities in the Fermilab Booster, report, June 8, 2004; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc781059/: accessed October 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.