| Line | |
|---|
| 1 | # two beams in a generator |
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| 2 | # |
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| 3 | # beam #1 |
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| 4 | # default intensity is 1 now change to 5. |
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| 5 | /gps/source/intensity 5. |
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| 6 | # |
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| 7 | /gps/particle proton |
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| 8 | /gps/pos/type Beam |
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| 9 | # |
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| 10 | # the incident surface is in the y-z plane |
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| 11 | /gps/pos/rot1 0 1 0 |
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| 12 | /gps/pos/rot2 0 0 1 |
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| 13 | # |
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| 14 | # the beam spot is centered at the origin and is |
|---|
| 15 | # of 1d gaussian shape with a 1 mm central plateau |
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| 16 | /gps/pos/shape Circle |
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| 17 | /gps/pos/centre 0. 0. 0. mm |
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| 18 | /gps/pos/radius 1. mm |
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| 19 | /gps/pos/sigma_r .2 mm |
|---|
| 20 | # |
|---|
| 21 | # the beam is travelling along the X_axis with 5 degrees dispersion |
|---|
| 22 | /gps/ang/rot1 0 0 1 |
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| 23 | /gps/ang/rot2 0 1 0 |
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| 24 | /gps/ang/type beam1d |
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| 25 | /gps/ang/sigma_r 5. deg |
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| 26 | # |
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| 27 | # the beam energy is in gaussian profile centered at 400 MeV |
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| 28 | /gps/ene/type Gauss |
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| 29 | /gps/ene/mono 400 MeV |
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| 30 | /gps/ene/sigma 50. MeV |
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| 31 | |
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| 32 | # beam #2 |
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| 33 | # 2x the instensity of beam #1 |
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| 34 | /gps/source/add 10. |
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| 35 | # |
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| 36 | # this is a electron beam |
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| 37 | /gps/particle e- |
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| 38 | /gps/pos/type Beam |
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| 39 | # it beam spot is of 2d gaussian profile with a 1x2 mm2 central plateau |
|---|
| 40 | # it is in the x-y plane centred at the orgin |
|---|
| 41 | /gps/pos/centre 0. 0. 0. mm |
|---|
| 42 | /gps/pos/halfx 0.5 mm |
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| 43 | /gps/pos/halfy 1. mm |
|---|
| 44 | /gps/pos/sigma_x 0.1 mm |
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| 45 | # the spread in y direction is stronger |
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| 46 | /gps/pos/sigma_y 0.2 mm |
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| 47 | # |
|---|
| 48 | #the beam is travelling along -Z_axis |
|---|
| 49 | /gps/ang/type beam2d |
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| 50 | /gps/ang/sigma_x 2. deg |
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| 51 | /gps/ang/sigma_y 1. deg |
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| 52 | # gaussian energy profile |
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| 53 | /gps/ene/type Gauss |
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| 54 | /gps/ene/mono 600 MeV |
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| 55 | /gps/ene/sigma 50. MeV |
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| 56 | # |
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| 57 | # |
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| 58 | /analysis/filename test31.aida |
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| 59 | /analysis/maxeng 800 MeV |
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| 60 | /analysis/mineng 200 MeV |
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| 61 | /analysis/maxpos 5 mm |
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| 62 | /analysis/minpos -5 mm |
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| 63 | /event/printModulo 10000 |
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| 64 | #/tracking/verbose 1 |
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| 65 | /run/beamOn 10000 |
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| 66 | |
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