Survey Info, Density and Luminosity of Target, Windows etc
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Target Tables
!!!!WARNING!!!!
The table contains old (Jan 2017) estimates. Final detailed report is here: https://logbooks.jlab.org/files/2017/12/3501699/TGT-RPT-17-007.pdf [JRA - 1/4/2018]
!!!!WARNING!!!!
| Target/window/foil | Thickness( g/cm2) | Luminosity@20 uA (1037 N/cm2/s) | Radiation Length | comment |
| T2 | 0.081 | 0.61 | 0.044 | |
| 3He | 0.093 | 0.70 | 0.13 | |
| D2 | 0.124 | 0.93 | 0.10 | |
| H2 | 0.062 | 0.46 | 0.10 | |
| Upstream window (0.010”) | 0.069 | 0.51 | 0.29 | |
| Downstream window (0.011”) | 0.075 | 0.56 | 0.32 | |
| Dummy Foils | To be added | |||
| Optic Foils | To be added | |||
| Be foil isolator (0.008”) | 0.038 | 0.28 | 0.058 | New at beam-pine exit |