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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 |
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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 |
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20 | # |
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21 | # the beam is travelling along the X_axis with 5 degrees dispersion |
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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 |
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40 | # it is in the x-y plane centred at the orgin |
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41 | /gps/pos/centre 0. 0. 0. mm |
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42 | /gps/pos/halfx 0.5 mm |
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43 | /gps/pos/halfy 1. mm |
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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 | # |
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48 | #the beam is travelling along -Z_axis |
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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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