Checking the Beam Energy Calculation from the June 14, 2000 $\psi^\prime$ Scan

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The Conclusions/Recommendations of this paper are: (1) It is very important to keep the orbit close to the reference orbit. (2) It is likely that BPMs are not perfectly calibrated. (3) The orbit length calculation with Quad Steering ON is more sensitive to errors in the BPM readout than with Quad Steering OFF. However, unless we are at the {psi}{prime}, Quad Steering should be ON. (4) Question: Should we use the BPM corrections derived from this scan? Answer: I don't know. I would prefer not to. If we keep the orbit close to the reference, we don't need the corrections. ... continued below

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14 pages

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Werkema, Steve June 14, 2000.

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The Conclusions/Recommendations of this paper are: (1) It is very important to keep the orbit close to the reference orbit. (2) It is likely that BPMs are not perfectly calibrated. (3) The orbit length calculation with Quad Steering ON is more sensitive to errors in the BPM readout than with Quad Steering OFF. However, unless we are at the {psi}{prime}, Quad Steering should be ON. (4) Question: Should we use the BPM corrections derived from this scan? Answer: I don't know. I would prefer not to. If we keep the orbit close to the reference, we don't need the corrections. For cases where the orbit differs appreciably from the reference orbit, we should do the energy calculation both ways. (Perhaps with Quad steering ON and OFF too). (5) We should use the reference orbit derived from this scan. However, if there is the time and the man power, it would be desireable to do a proper scan of the {psi}{prime}.

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14 pages

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  • Report No.: FERMILAB-PBAR-NOTE-638
  • Grant Number: AC02-07CH11359
  • DOI: 10.2172/984596 | External Link
  • Office of Scientific & Technical Information Report Number: 984596
  • Archival Resource Key: ark:/67531/metadc1013429

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Creation Date

  • June 14, 2000

Added to The UNT Digital Library

  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 9:28 p.m.

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Werkema, Steve. Checking the Beam Energy Calculation from the June 14, 2000 $\psi^\prime$ Scan, report, June 14, 2000; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc1013429/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.