Guidelines for the Calculation of the Accumulator Magnet Bus Ramps for Fermilab Experiment E835

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Description

This report lists the steps that are required to calculate deceleration ramps for all relevant Accumulator devices. The ramps used for the 1996-97 fixed target run (experiment E835) are saved in files associated with ACNET console application PA1627 (PAUX RAMP DEVELOP). These ramps cannot be re-used because the Accumulator {gamma}{sub t} upgrade has significantly changed the lattice since the last time the ramps were used. Consequently, new deceleration ramps must be calculated and commissioned before the next fixed target run. The deceleration ramp for a particular device is a table that gives the sequence of set values sent to the ... continued below

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11 pages

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McGinnis, Dave; Stancari, Giulio; Werkema, Steve & /Fermilab April 15, 1999.

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Description

This report lists the steps that are required to calculate deceleration ramps for all relevant Accumulator devices. The ramps used for the 1996-97 fixed target run (experiment E835) are saved in files associated with ACNET console application PA1627 (PAUX RAMP DEVELOP). These ramps cannot be re-used because the Accumulator {gamma}{sub t} upgrade has significantly changed the lattice since the last time the ramps were used. Consequently, new deceleration ramps must be calculated and commissioned before the next fixed target run. The deceleration ramp for a particular device is a table that gives the sequence of set values sent to the device as the ramp is executed. The 1997 ramps consist of ramp tables for 100 devices. Appendix 1 gives a list of the devices ramped. Most of these devices will still require ramps for the next fixed target run. Future decelerations will also require ramps for the quadrupole magnet shunts that were installed as part of the {gamma}{sub t} upgrade. Additionally, ramps must be constructed for the two skew-sextupole magnets that will be installed during the summer of 1999.

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11 pages

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  • Report No.: FERMILAB-PBAR-NOTE-611
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/984610 | External Link
  • Office of Scientific & Technical Information Report Number: 984610
  • Archival Resource Key: ark:/67531/metadc1012546

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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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  • April 15, 1999

Added to The UNT Digital Library

  • Oct. 14, 2017, 8:36 a.m.

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  • Oct. 19, 2017, 8:14 p.m.

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McGinnis, Dave; Stancari, Giulio; Werkema, Steve & /Fermilab. Guidelines for the Calculation of the Accumulator Magnet Bus Ramps for Fermilab Experiment E835, report, April 15, 1999; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc1012546/: accessed January 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.