Calculation of Residual Dose Around Small Objects Using Mu2e Target as an Example

TL;DR

This paper enhances the MARS15 code to better calculate residual dose rates at specific distances from small objects, exemplified by the Mu2e target, improving accuracy for small component irradiation scenarios.

Contribution

The paper introduces an improved algorithm within MARS15 for calculating residual dose rates around small objects after irradiation.

Findings

Enhanced algorithm accurately predicts dose rates at small distances.

Application to Mu2e target demonstrates practical utility.

Improved dose calculations support safer accelerator operation.

Abstract

The MARS15 code provides contact residual dose rates for relatively large accelerator and experimental components for predefined irradiation and cooling times. The dose rate at particular distances from the components, some of which can be rather small in size, is calculated in a post Monte-Carlo stage via special algorithms described elsewhere. The approach is further developed and described in this paper.