Difference between revisions of "Standard Production Running Conditions"

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(Summer 2022 (CPP-NPP))
(Summer 2022 (CPP-NPP))
Line 18: Line 18:
 
| Tagger Magnet Current || 208.4 A || same
 
| Tagger Magnet Current || 208.4 A || same
 
|-
 
|-
| Radiator || JD70-10?, 47 &mu;m || amorphous, 4.5&times;10<sup>&minus;4</sup>
+
| Radiator || JD70-10?, 50? &mu;m || amorphous, 4.5&times;10<sup>&minus;4</sup>
 
|-
 
|-
 
| Coherent Peak Position || 6000 &plusmn; 10 MeV || none  
 
| Coherent Peak Position || 6000 &plusmn; 10 MeV || none  

Revision as of 08:37, 13 June 2022

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  • For past conditions, see the "View History" tab above.

Summer 2022 (CPP-NPP)

Item Polarized Beam Unpolarized Beam
Beam Current 27 nA 27 nA
Active Collimator (Inner) optimal coordinates x = 0.0 mm, y = 0.0 mm same
BPM (IPM5C11B) optimal coordinates x = −0.5 mm, y = +1.0 mm same
Tagger Quadrupole (MQPAD00) Current −4.2 A same
Tagger Magnet Current 208.4 A same
Radiator JD70-10?, 50? μm amorphous, 4.5×10−4
Coherent Peak Position 6000 ± 10 MeV none
Beam Profiler retracted same
Collimator 3.4 mm same
TPol target Be 750 μm same
Pair Spect. Convertor retracted same
Pair Spect. Magnet Current (set point) 569.4 A same
GlueX Solenoid 1350 A same
TAC retracted same

See also CPP and NPP Run Conditions

Fall 2019, Spring 2020

Item Polarized Beam Unpolarized Beam
Beam Current 350 nA 350 nA
Active Collimator (Inner) optimal coordinates x = 1.0 mm, y = −0.2 mm same
BPM (IPM5C11B) optimal coordinates x = −0.5 mm, y = +1.0 mm same
Tagger Quadrupole (MQPAD00) Current −4.2 A same
Tagger Magnet Current 208.4 A same
Radiator JD70-105, 47 μm amorphous, 4.5×10−4
Coherent Peak Position 8600 ± 10 MeV none
Beam Profiler retracted same
Collimator 5.0 mm same
TPol target Be 75 μm same
Pair Spect. Convertor retracted same
Pair Spect. Magnet Current (set point) 910 A same
GlueX Solenoid 1350 A same
TAC retracted same

--Marki (talk) 17:13, 23 February 2020 (EST)

Spring 2018

Item Polarized Beam Unpolarized Beam
Beam Current 150 nA 180 nA
Active Collimator (Inner) optimal coordinates x = −0.2±0.1 mm, y = −0.3±0.2 mm same
BPM (IPM5C11B) optimal coordinates x = −0.5 mm, y = +1.0 mm same
Tagger Quadrupole (MQPAD00) Current −4.2 A same
Tagger Magnet Current 213.0 A same
Radiator 58 micron diamond, JD70-100 amorphous, 4.5×10−4
Coherent Peak Position 8815 ± 10 MeV none
Beam Profiler retracted same
Collimator 5.0 mm same
TPol target Be 75 μm same
Pair Spect. Convertor retracted same
Pair Spect. Magnet Current (set point) 910 A same
GlueX Solenoid 1350 A same
TAC retracted same

Spring 2017 (high intensity)

Item Polarized Beam Unpolarized Beam
Beam Current 150 nA 225 nA
BPM (IPM5C11B) optimal coordinates x = -1.6 mm, y = +1.0 mm same
Tagger Quadrupole (MQPAD00) Current -4.2 A same
Radiator 58 micron diamond, JD70-100 amorphous, 3×10-4
Coherent Peak Position 8805 ± 10 MeV none
Beam Profiler retracted same
Active Collimator (Inner) optimal coordinates x = 0.0±0.1 mm, y = -0.3±0.2 mm same
Collimator 5.0 mm same
TPol target Be 75 μm same
Pair Spect. Convertor retracted same
Pair Spect. Magnet Current (set point) 910 A same
GlueX Solenoid 1350 A same
TAC retracted same

Spring 2017 (low intensity)

Item Polarized Beam Unpolarized Beam
Beam Current 100 nA 150 nA
BPM (IPM5C11B) optimal coordinates x = -1.6 mm, y = +1.0 mm same
Tagger Quadrupole (MQPAD00) Current -4.2 A same
Radiator 58 micron diamond, JD70-100 amorphous, 3×10-4
Coherent Peak Position 8805 ± 10 MeV none
Beam Profiler retracted same
Active Collimator (Inner) optimal coordinates x = 0.0±0.1 mm, y = -0.3±0.2 mm same
Collimator 5.0 mm same
TPol target Be 75 μm same
Pair Spect. Convertor retracted same
Pair Spect. Magnet Current (set point) 910 A same
GlueX Solenoid 1350 A same
TAC retracted same

Spring 2016

Item Polarized Beam Unpolarized Beam
Beam Current 160 nA 200 nA
BPM (IPM5C11B) optimal coordinates x = -1.6 mm, y = +1.0 mm same as polarized
Tagger Quadrupole (MQPAD00) Current 0 A 0 A
Radiator 20 micron diamond, JD70-119 amorphous, 3×10-4
Beam Profiler retracted retracted
Active Collimator optimal coordinates x = -0.9 mm, y = 0.0 mm same as polarized
Collimator 3.4 mm 3.4 mm
TPol target Be 75 μm Be 75 μm
Pair Spect. Convertor retracted retracted
Pair Spect. Magnet Current 991 A 991 A
GlueX Solenoid 1200 A 1200 A
TAC retracted retracted