PbBi Target Optimization

     Pb-Bi 	  e- Detected on the 	      Positrons        electrons 
     Target        Back of Target            Detected         incident
    Thickness          Per e+
      (mm)			

0.1 1.52E-05 152 1.00E+07 0.2 5.49E-05 549 1.00E+07 0.3 1.04E-04 1041 1.00E+07 0.4 1.71E-04 1710 1.00E+07 0.5 2.40E-04 2399 1.00E+07 0.8 4.76E-04 4763 1.00E+07 1 6.35E-04 6348 1.00E+07 1.5 9.09E-04 9090 1.00E+07 1.7 9.58E-04 9584 1.00E+07 1.9 9.68E-04 9676 1.00E+07 1.95 9.71E-04 97075 1.00E+08 2 9.80E-04 97997 1.00E+08 2.05 9.72E-04 97153 1.00E+08 2.1 9.66E-04 96632 1.00E+08 2.3 9.60E-04 96020 1.00E+08 2 9.84E-04 9840 1.00E+07 2.05 9.38E-04 9380 1.00E+07 2.1 9.68E-04 9675 1.00E+07 2.3 9.75E-04 9746 1.00E+07 2.5 9.49E-04 9489 1.00E+07 3 9.00E-04 9002 1.00E+07 4 8.36E-04 8364 1.00E+07 6 7.00E-04 7003 1.00E+07 8 6.53E-04 6526 1.00E+07 10 5.58E-04 5578 1.00E+07 15 4.07E-04 4067 1.00E+07 20 3.03E-04 3033 1.00E+07 30 1.61E-04 1608 1.00E+07 50 1.45E-04 1447 1.00E+07