Difference between revisions of "The HPS Run Wiki"
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* Work with MCC crew to establish small size stable beam at the alcove harp - beam parameters sig X ~ 150 micron, sig Y ~50 micron, with low noise in the downstream halo counters and ecal. | * Work with MCC crew to establish small size stable beam at the alcove harp - beam parameters sig X ~ 150 micron, sig Y ~50 micron, with low noise in the downstream halo counters and ecal. | ||
* Perform harp scans using 2H02 harp. Optimize halo counter voltages as needed. | * Perform harp scans using 2H02 harp. Optimize halo counter voltages as needed. | ||
− | * Once established, commission the chicane magnet, including a study of noise rates (halo counters + ecal) vs B field. (We may need to run slightly lower than nominal B for our given beam energy to afford adequate clearance to the 3 inch beam pipe connected to the new target assembly.The beam pipe must accommodate both straight through and Frascati bent beams.) | + | * Once good beam is established, commission the chicane magnet, including a study of noise rates (halo counters + ecal) vs B field. (We may need to run slightly lower than nominal B for our given beam energy to afford adequate clearance to the 3 inch beam pipe connected to the new target assembly.The beam pipe must accommodate both straight through and Frascati bent beams.) |
* Commission the HPS target, including measuring noise rates in the Ecal and halo counters vs beam current. | * Commission the HPS target, including measuring noise rates in the Ecal and halo counters vs beam current. | ||
− | * If time allows, begin commissioning the Ecal and trigger with beam on target. | + | * If time allows, begin commissioning the Ecal and trigger with beam on target and data taking. |
** See <b>[[Media:dec4_beamline_commissioning.pdf|Full PDF, Click Here]]</b> | ** See <b>[[Media:dec4_beamline_commissioning.pdf|Full PDF, Click Here]]</b> | ||
** With any issue, contact Beamline Expert or RC.</font> | ** With any issue, contact Beamline Expert or RC.</font> |
Revision as of 19:49, 6 December 2014
[edit]
RC: John Jaros
PDL: Harut AvagyanEvery Shift:
Every Run:
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Run Plan: Dec. 7 - Dec. 9Beamline commissioning studies using the Hall B dump, followed by studies of the ECal and Trigger. The goal is to get usable CW beam to the Hall-B dump, set up the chicane, and begin to study beam backgrounds and trigger rates.
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Webcams only accessible inside Hall gateway. |