RPD Volume 168 Issue 4 March 2016 comments 7-end

Shielding activation of Petawatt laser facilities in ROMANIA:A FLUKA preliminary evaluation Abstract

The FLUKA 2011.2c code is used to evaluate the activity induced in the irradiation chamber walls by secondary charged par Ticles emitted during the interaction of 1 Petawatt laser beam with the targets. The results has shown that, even of the most conservative approaches, i.e. MeV Secondary electrons an D protons, respectively, the maximum equivalent dose rate, at 1 cm in front of the chamber wall, 1 min after the end of IR Radiation, was of∼23 nSv h−1. Three minutes later, it falls at∼60 pSv h−1, negligible with respect to the environmental radiation background of 90–110 NSv h−1, as reported for Romania.

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RPD Volume 168 Issue 4 March 2016 comments 7-end