Optics Study Page (Back to Tritium-Main)
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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%; |
Calibration