Difference between revisions of "PbBi Target Optimization"

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(Created page with " Pb-Bi e- Detected on the Positrons electrons Target Back of Target Detected incident Thickness Per e+ …")
 
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= PbBi Target Thickness Optimization =
  
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10 MeV electrons incident on a thin layer of PbBi target. A detector is placed on the back of the target to detect positrons.
  
       Pb-Bi   e- Detected on the       Positrons        electrons  
+
It was found that 2.0 mm thick PbBi yields highest e+/e- ratio of 9.8/10000.
 +
 
 +
       Pb-Bi   e+ Detected on the       Positrons        electrons  
 
       Target        Back of Target            Detected        incident
 
       Target        Back of Target            Detected        incident
     Thickness          Per e+
+
     Thickness          Per e-
 
       (mm)
 
       (mm)
0.1 1.52E-05 152 1.00E+07
+
0.1 1.52E-05 152 1.00E+07
0.2 5.49E-05 549 1.00E+07
+
0.2 5.49E-05 549 1.00E+07
0.3 1.04E-04 1041 1.00E+07
+
0.3 1.04E-04 1041 1.00E+07
0.4 1.71E-04 1710 1.00E+07
+
0.4 1.71E-04 1710 1.00E+07
0.5 2.40E-04 2399 1.00E+07
+
0.5 2.40E-04 2399 1.00E+07
0.8 4.76E-04 4763 1.00E+07
+
0.8 4.76E-04 4763 1.00E+07
1 6.35E-04 6348 1.00E+07
+
1 6.35E-04 6348 1.00E+07
1.5 9.09E-04 9090 1.00E+07
+
1.5 9.09E-04 9090 1.00E+07
1.7 9.58E-04 9584 1.00E+07
+
1.7 9.58E-04 9584 1.00E+07
1.9 9.68E-04 9676 1.00E+07
+
1.9 9.68E-04 9676 1.00E+07
1.95 9.71E-04 97075 1.00E+08
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1.95 9.71E-04 97075 1.00E+08
2 9.80E-04 97997 1.00E+08
+
2 9.80E-04 97997 1.00E+08
2.05 9.72E-04 97153 1.00E+08
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2.05 9.72E-04 97153 1.00E+08
2.1 9.66E-04 96632 1.00E+08
+
2.1 9.66E-04 96632 1.00E+08
2.3 9.60E-04 96020 1.00E+08
+
2.3 9.60E-04 96020 1.00E+08
2 9.84E-04 9840 1.00E+07
+
2 9.84E-04 9840 1.00E+07
2.05 9.38E-04 9380 1.00E+07
+
2.05 9.38E-04 9380 1.00E+07
2.1 9.68E-04 9675 1.00E+07
+
2.1 9.68E-04 9675 1.00E+07
2.3 9.75E-04 9746 1.00E+07
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2.3 9.75E-04 9746 1.00E+07
2.5 9.49E-04 9489 1.00E+07
+
2.5 9.49E-04 9489 1.00E+07
3 9.00E-04 9002 1.00E+07
+
3 9.00E-04 9002 1.00E+07
4 8.36E-04 8364 1.00E+07
+
4 8.36E-04 8364 1.00E+07
6 7.00E-04 7003 1.00E+07
+
6 7.00E-04 7003 1.00E+07
8 6.53E-04 6526 1.00E+07
+
8 6.53E-04 6526 1.00E+07
10 5.58E-04 5578 1.00E+07
+
10 5.58E-04 5578 1.00E+07
15 4.07E-04 4067 1.00E+07
+
15 4.07E-04 4067 1.00E+07
20 3.03E-04 3033 1.00E+07
+
20 3.03E-04 3033 1.00E+07
30 1.61E-04 1608 1.00E+07
+
30 1.61E-04 1608 1.00E+07
50 1.45E-04 1447 1.00E+07
+
50 1.45E-04 1447 1.00E+07

Revision as of 06:24, 5 December 2014

PbBi Target Thickness Optimization

10 MeV electrons incident on a thin layer of PbBi target. A detector is placed on the back of the target to detect positrons.

It was found that 2.0 mm thick PbBi yields highest e+/e- ratio of 9.8/10000.

     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