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  Simulation of radiation environments

Alici, A., Azhgirey, I., Dawson, I., Huhtinen, M., Ivantchenko, V., Kar, D., et al. (2021). Simulation of radiation environments. CERN Yellow Reports: Monographs, 1, 35.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000A-1B94-1 Version Permalink: https://hdl.handle.net/21.11116/0000-000A-1B95-0
Genre: Conference Paper

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 Creators:
Alici, A.1, Author
Azhgirey, I.1, Author
Dawson, I.1, Author
Huhtinen, M.1, Author
Ivantchenko, V.1, Author
Kar, D.1, Author
Karacson, M.1, Author
Mallows, S.1, Author
Manousos, T.1, Author
Mandić, I.1, Author
Di Mauro, A.1, Author
Menke, S.1, Author
Miyagawa, P.S.1, Author
Oblakowska-Mucha, A.1, Author
Pospisil, S.1, Author
Szumlak, T.1, Author
Vlachoudis, V.1, Author
Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

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Free keywords: ATLAS
 Abstract: Simulating radiation environments is crucial in the design phase of new hadron collider experiments or upgrades, especially when extrapolating to new centre of mass collision energies where previous experience cannot be relied on. The generation of radiation fields in the LHC experiments is dominated by proton–proton collisions, with contributions from beam-gas interactions and other machine losses. It is therefore essential to first reproduce the proton–proton collisions, using Monte Carlo event generators such as PYTHIA8 and DPMJET-III. This part of the simulation chain is discussed in Section 4.1. The particles originating from the proton–proton collisions interact with the detector and machine material, causing electromagnetic and hadronic showers which give rise to the complex radiation fields seen in the LHC experiments. This second part of the simulation is dealt with using advanced Monte Carlo particle transport codes such as FLUKA, MARS, or GEANT4. An overview of these codes is given in Section 4.2. Key radiation quantities of interest are extracted from the simulations, such as 1 MeV neutron equivalent fluence and total ionizing dose, and these are discussed in Section 4.3. It is these quantities that are needed by the detector systems for evaluating radiation damage and predicting sensor and electronic performance over the lifetime of the experiment. In Section 4.4, the simulated predictions of radiation backgrounds for each of the experiments is presented. Finally, in Section 4.5, we offer general conclusions and recommendations for the future.

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 Dates: 2021
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: MPP-2021-71
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2021-71
DOI: 10.23731/CYRM-2021-001.35
 Degree: -

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Title: CERN Yellow Reports: Monographs
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 1 Sequence Number: - Start / End Page: 35 Identifier: -

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Title: Radiation effects in the LHC experiments: Impact on detector performance and operation
Source Genre: Proceedings
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Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 35 Identifier: -