Update on rp calculations for the ear2 bunker and beam dump
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Update on RP calculations for the EAR2 bunker and beam dump. 04/02/2014 J. Vollaire DGS-RP. Reminder - Updates. Source term 7.8e+06 n/cm 2 /7e12ppp (update ?) Normalization to collimator surface and intensity of 160e10 p/s + x 3 for upgraded target

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Presentation Transcript

Reminder updates
Reminder - Updates

  • Source term 7.8e+06 n/cm2/7e12ppp (update ?)

  • Normalization to collimator surface and intensity of 160e10 p/s + x 3 for upgraded target

  • In the past considering 4 / 15 cm radius (two phases shielding with additional block)

4 / 10cm radius


Updated in the fluka geometry
Updated in the FLUKA geometry

Update beam dump :

Borated poly + steel + concrete

As built penetrations


Results
Results

Reference (old)


Conclusions
Conclusions

  • Proposed beam dump ok (skyshine should go down, to be checked)

  • Second phase shielding necessary for 10 cm collimator (without new target ?). Updated source spectra to check

  • Realistic penetrations ok, next step is to include a “scattering target”


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