Difference between revisions of "Optics Calibration"
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[https://wiki.jlab.org/tegwiki/index.php/Installation_and_Commissioning#Optics_commissioning_runs <b>Back to Commissioning Page</b>] | [https://wiki.jlab.org/tegwiki/index.php/Installation_and_Commissioning#Optics_commissioning_runs <b>Back to Commissioning Page</b>] | ||
==Run Info== | ==Run Info== | ||
| + | * With Raster '''On''', the Maximum Beam Current on Multi-Foils, I_max = 20uA | ||
| + | * With Raster '''Off''', the Maximum Beam Current On Multi-Foils, I_max = 40uA | ||
=== LHRS optics runs=== | === LHRS optics runs=== | ||
==== <b>Step L1: Procedure with Sieve-slit</b>==== | ==== <b>Step L1: Procedure with Sieve-slit</b>==== | ||
Revision as of 21:20, 30 November 2017
Optics Study Page (Back to Tritium-Main) Back to Commissioning Page
Run Info
- With Raster On, the Maximum Beam Current on Multi-Foils, I_max = 20uA
- With Raster Off, the Maximum Beam Current On Multi-Foils, I_max = 40uA
LHRS optics runs
Step L1: Procedure with Sieve-slit
| Run number | Target | Sieve | Raster | Ebeam [GeV] | P0 [GeV/c] | θe [deg] | Comment |
| Multi-foil carbon | In | Off | 4.3 | 3.8 | 17 | ||
| Multi-foil carbon | In | On | 4.3 | 3.8 | 17 | ||
| Multi-foil carbon | Out | On | 4.3 | 3.8 | 17 | ||
| Multi-foil carbon | In | Off | 4.3 | 3.0 | 17 | ||
| Multi-foil carbon | In | On | 4.3 | 3.0 | 17 | ||
| Multi-foil carbon | Out | On | 4.3 | 3.0 | 17 |
Step L2: Delta Scan with Proton Elastic
| Run number | Target | Sieve | Raster | Ebeam [GeV] | P0 [GeV/c] | θe [deg] | Comment |
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=-4%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=-2%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=0%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=+2%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=+4%; |
RHRS optics runs
Step R1: Procedure with Sieve-slit
| Run number | Target | Sieve | Raster | Ebeam [GeV] | P0 [GeV/c] | θe [deg] | Comment |
| Multi-foil carbon | In | Off | 4.3 | 3.8 | 17 | ||
| Multi-foil carbon | In | On | 4.3 | 3.8 | 17 | ||
| Multi-foil carbon | Out | On | 4.3 | 3.8 | 17 | ||
| Multi-foil carbon | In | Off | 4.3 | 3.0 | 17 | ||
| Multi-foil carbon | In | On | 4.3 | 3.0 | 17 | ||
| Multi-foil carbon | Out | On | 4.3 | 3.0 | 17 |
Step R2: Delta Scan with Proton Elastic
| Run number | Target | Sieve | Raster | Ebeam [GeV] | P0 [GeV/c] | θe [deg] | Comment |
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=-4%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=-2%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=0%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=+2%; | ||||
| 15cm LH2 | Yes | 2 x 2 mm2 | Delta scan ΔP=+4%; |