Hall A Targets
SRC Experiment E01-015
The following table gives the thicknesses and postions of the Hall A targets.
|
Target |
Thickness(mm) |
Thickness (g/cm2) |
Target angle (1) (Deg)
|
Nucleon (Nuclear) Luminosity x 10^37 for 10 microAmp beam on target in cm-2 x sec-1 |
BDS Position |
|---|---|---|---|---|---|
|
4 cm LD2 |
40.0 |
0.167. |
90.0 |
2.50 (1.25) |
? |
|
15cm LD2 |
150.0 |
0.167. |
90.0 |
9.40 (4.7) |
? |
|
4 cm LH2 |
40.0 |
0.0723. |
90.0 |
1.10 |
? |
|
15 cm LH2 |
150.0 |
0.0723. |
90.0 |
4.00 |
? |
|
C(tilted) |
0.25 |
0.050/sin(20) |
-20.0 |
0.50 (0.04) |
? |
|
C(normal) |
0.5 |
0.090 |
90.0 |
0.34 (0.03) |
? |
|
BeO |
1.0 |
- |
90 |
- |
? |
|
Empty |
- |
- |
- |
- |
? |
(1) The angle is between the target plan and the beam
LH2 : 19 K, 25psi, up to 700 watt, for rastered beam up to 120 micro-amp.
LD2 : 22 K, 22psi, up to 700 watt, for rastered beam up to 120 micro-amp.
2 Cells 4cm/15cm 2.5 inch diameter, horizontal Al cylinders.
Up stream window : 4 mil, downstream window : 7 mil.
For more info - Hall A Cryotarget page
Hall A target configuration doc