Difference between revisions of "Niowave 9-2015"

Revision as of 21:07, 12 April 2016

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:

Positrons:

@@ Line 1: / Line 1: @@
-mm thick PbBi, 10 MeV,  point source
+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.
-G4beamline pencil beam 10 cm radius
-<pre>
-beam ellipse particle=e- nEvents=1000000 beamZ=0.0 beamX=0. beamY=0. \
-        sigmaX=10.0 sigmaY=10.0 sigmaXp=0.000 sigmaYp=0.000 \
-      meanMomentum=10. sigmaE=0. maxR=10.
-</pre>
@@ Line 11: / Line 5: @@
 | PbBi Thickness (mm) || #positrons/million electrons (G4Beamline)|| #positrons/million electrons (MCNPX)
 |-
-| 1    ||1138,1154,1097,1159,1125 =1135<math>\pm</math>25 ||
+| 1    ||1138,1154,1097,1159,1125 =1135<math>\pm</math>25 || 1091
 |-
-| 1.5    || 1668,1701,1639, 1644, 1628=1656<math>\pm</math>29 ||
+| 1.5    || 1668,1701,1639, 1644, 1628=1656<math>\pm</math>29 ||1728
 |-
-| 2    || 1937,1930,1851,1874,1945=1907<math>\pm</math>42  ||
+| 2    || 1937,1930,1851,1874,1945=1907<math>\pm</math>42  || 1984
 |-
-| 3|| 1889,1821,1852,1809,1859=1846<math>\pm</math>32 ||
+| 3|| 1889,1821,1852,1809,1859=1846<math>\pm</math>32 || 1986
 |-
-| 4||1726,1696,1673,1693,1681=1694<math>\pm</math> 20 ||
+| 4||1726,1696,1673,1693,1681=1694<math>\pm</math> 20 ||  1858
 |-
-| 5|| 1566,1543,1546,1625,1566=1569<math>\pm</math>33 ||
+| 5|| 1566,1543,1546,1625,1566=1569<math>\pm</math>33 || 1646
 |-
-| 6|| 1549, 1486,1564,1545,1452=1520<math>\pm</math> 50 ||
+| 6|| 1549, 1486,1564,1545,1452=1520<math>\pm</math> 50 ||1541
 |-
-| 7|| 1462,1327, 1407,1489 ,1477=1432<math>\pm</math> 67  ||
+| 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 ||
+| 10|| 1141,1241, 1199, 1202, 1148 =1186<math>\pm</math>42 || 1216
-|-
-|}
-Below is the result using minerve
-{| border="1"
-| PbBi Thickness (mm) || #positrons/million electrons (G4Beamline)|| #positrons/million electrons (MCNPX)
-|-
-| 1    || 981,946,985,1046,1017 || 1091
-|-
-| 1.5    || 1494,1444 ,1447,1409 ,1486|| 1728
-|-
-| 2    || 1686,1700,1610, 1682,1656<math>\pm</math> 43 || 1984
-|-
-| 3|| 1648,1573, 1524,1670, 1592<math>\pm</math> 13|| 1986
-|-
-| 4||1528,1538, 1438, 1468, 1577<math>\pm</math> 39 || 1858
-|-
-| 5||  1354,1419 ,1310 , 1397, 1327|| 1646
-|-
-| 6|| 1256, 1286 , 1291,1350, 1210<math> \pm</math> 37 || 1541
-|-
-| 7|| <math> \pm</math> 37 || 1541
-|-
-| 10|| 989,1024 , 1061, 1002, 1103 || 1216
 |-
 |}
+The spatial distributions observed appear below
 Electrons and Positrons after 2mm of LBE:

Difference between revisions of "Niowave 9-2015"

Revision as of 21:07, 12 April 2016

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