Abstract

Chemical composition and energy response of the Superheated Drop Detector (SDD) suggested to us a new technique for the direct measurement of dose equivalent depth distributions in tissue-equivalent phantoms, independently of impinging neutron spectra and energy degradation with depth. The SDD performance has been tested against the depth-dose curves published in NCRP Report 38. The experimental results, in agreement with the expected values, confirm the applicability of this method.

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