Radiation Shielding Analysis for the PIP-II Linac at Fermilab

TL;DR

This paper analyzes radiation shielding design for Fermilab's PIP-II superconducting linac, ensuring safety during normal operation and potential accidents in a high-power proton beam facility.

Contribution

It provides a detailed radiation shielding analysis specifically tailored for the PIP-II linac at Fermilab, addressing safety considerations for high-power proton beams.

Findings

Design recommendations for radiation shielding in the PIP-II linac

Assessment of radiation levels during normal operation and accidents

Guidelines for safety compliance in high-power accelerator facilities

Abstract

The Proton Improvement Plan-II (PIP-II) [1] has been developed at Fermilab to provide powerful proton beams to the laboratorys experiments. An 800-MeV superconducting linear accelerator-a centerpiece of the project-is currently under construction in Batavia, Illinois (USA). After completion, the superconducting linac will be the starting point for the 1.2 MW (Phase 1) and 2.4-MW (Phase 2) proton beam that is needed for the Long-Baseline Neutrino Facility (LBNF) at Fermilab [2]. Due to unavoidable loss of a fraction of the beam in the accelerator components, a certain level of radiation will be generated in the accelerator tunnel both during normal operation and at accidents. This work deals with radiation shielding design for the accelerator facility.