Difference between revisions of "Niowave 9-2015"

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Electrons:
 
Electrons:
  
[[File:e01.png| 200 px]][[File:e02.png| 200 px]]
+
[[File:e01.png| 400 px]][[File:e02.png| 400 px]]
  
 
Positrons:
 
Positrons:
  
[[File:p01.png| 200 px]][[File:p02.png| 200 px]]
+
[[File:p01.png| 400 px]][[File:p02.png| 400 px]]

Revision as of 21:20, 12 April 2016

Progress Report, September 2015


A comparison of the positron production efficiency predictions made by MCNPX and G4beamline (GEANT4). in both simulations, a beam of 10 MeV electrons impinged a target of PbBi.


PbBi Thickness (mm) #positrons/million electrons (G4Beamline) #positrons/million electrons (MCNPX)
1 1138,1154,1097,1159,1125 =1135[math]\pm[/math]25 1091
1.5 1668,1701,1639, 1644, 1628=1656[math]\pm[/math]29 1728
2 1937,1930,1851,1874,1945=1907[math]\pm[/math]42 1984
3 1889,1821,1852,1809,1859=1846[math]\pm[/math]32 1986
4 1726,1696,1673,1693,1681=1694[math]\pm[/math] 20 1858
5 1566,1543,1546,1625,1566=1569[math]\pm[/math]33 1646
6 1549, 1486,1564,1545,1452=1520[math]\pm[/math] 50 1541
7 1462,1327, 1407,1489 ,1477=1432[math]\pm[/math] 67 1541
8 1289, 1335,1280, 1271, 1280 = 1291[math]\pm[/math] 25
10 1141,1241, 1199, 1202, 1148 =1186[math]\pm[/math]42 1216


The spatial distributions observed appear below

Electrons and Positrons after 2mm of LBE:

Electrons:

E01.pngE02.png

Positrons:

P01.pngP02.png