CERN Accelerating science

Published Articles
Title Particle interactions with matter
Author(s) Lechner, Anton (CERN)
Publication 2018
Number of pages 22
In: CERN Yellow Rep. School Proc. 5 (2018) 47
In: CAS - CERN Accelerator School: Beam Injection, Extraction and Transfer, pp.47
DOI 10.23730/CYRSP-2018-005.47
Subject category Accelerators and Storage Rings
Abstract With the steady advances in accelerator technology and new records in beam energy, intensity, brightness, power and luminosity, it is essential to limit adverse effects of beam losses for accelerator operation, equipment and personnel. Particle losses can quench superconducting magnets, induce single event effects in electronics, activate equipment, and alter material properties. In the worst case, high-energy particle beams can cause severe damage to equipment if they are lost in an uncontrolled way. Modern accelerators typically rely on a system of protection absorbers, dumps and beam manipulation devices to safely accelerate, store, extract and transfer beams. Knowledge of particle-matter interactions is important to understand and predict the consequences of beam losses and to design beam-intercepting devices, shielding and other equipment. This paper summarizes the principal physical processes of hadrons, photons and leptons in matter and discusses related phenomena such as particle showers.
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 Record created 2019-05-11, last modified 2019-05-11


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