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1 | ################# |
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2 | ## |
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3 | ## This example demonstrates the cerenkov process by using a 200 MeV mu+ |
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4 | ## particle in a geometry configuration that shows the cerenkov cone |
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5 | ## and pmts hit by it. |
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6 | ## |
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7 | ################# |
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8 | |
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9 | /control/execute defaults.mac |
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10 | |
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11 | #This currently causes the program to crash due to a bug in geant4 |
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12 | #Uncomment it once that bug has been fixed. Until then, to use this, |
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13 | #modify LXePhysicsList to disable scintillation. |
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14 | #/process/inactivate Scintillation |
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15 | |
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16 | /LXe/detector/MainScintYield 0 |
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17 | |
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18 | /LXe/detector/nx 20 |
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19 | /LXe/detector/ny 20 |
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20 | /LXe/detector/nz 0 |
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21 | /LXe/detector/dimensions 60 60 25 cm |
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22 | /LXe/detector/pmtRadius 1.5 cm |
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23 | /LXe/detector/volumes/sphere 0 |
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24 | /LXe/detector/reflectivity 0.0 |
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25 | /LXe/detector/update |
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26 | |
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27 | /gun/particle mu+ |
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28 | /gun/energy 200 MeV |
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29 | |
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30 | #This causes the primary particle to be killed after its first step in the |
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31 | #scintillator volume. Thus preventing the cerenkov cone to fill in. |
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32 | /LXe/oneStepPrimaries true |
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33 | |
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34 | #reset from a random seed that shows a good cone |
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35 | /random/resetEngineFrom random/goodCerenkov.rndm |
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