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Update on RP calculations for the EAR2 bunker and beam dump

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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Update on RP calculations for the EAR2 bunker and beam dump

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  1. Update on RP calculations for the EAR2 bunker and beam dump 04/02/2014 J. Vollaire DGS-RP

  2. 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

  3. Updated in the FLUKA geometry Update beam dump : Borated poly + steel + concrete As built penetrations

  4. Results Reference (old)

  5. 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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