Standard Production Running Conditions
From Hall D Ops Wiki
- Last-modification time displayed at bottom of page.
- For past conditions, see the "View History" tab above.
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 |
| Radiator | 58 micron diamond, JD70-100 | amorphous, 4.5×10−4 |
| Coherent Peak Position | 8850 ± 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 |
