Standard Production Running Conditions

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Revision as of 18:34, 23 February 2020 by Marki (Talk | contribs) (Fall 2019, Spring 2020: conditions updated)

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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