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IPAC'26 - the 17th International Particle Accelerator Conference

17–22 May 2026
C.I.D
Europe/Zurich timezone

IPAC'26

Monte-Carlo Simulations of Beamline-Induced Muon Backgrounds for the SHiP Experiment

THP4070
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC4.A21: Hadron accelerators: Secondary Beams Poster session

Speaker

Florian Stummer (European Organization for Nuclear Research)

Description

The Search for Hidden Particles (SHiP) experiment at the CERN SPS requires excellent control of muon backgrounds produced upstream of the detector. We present a first Monte-Carlo estimate of beamline-induced sources of muons from proton transport through the P42 beamline to the Beam Dump Facility (BDF) target. A detailed BDSIM model is used to evaluate muon fluxes at a plane upstream of the BDF target complex, with particle rates and momentum spectra assessed within the transverse acceptance of the SHiP muon shield. In addition, a first mitigation study based on magnetised iron blocks in the approximately 100m between the last magnet and the target was performed. The results provide input for the on-going optimisation of the P42 beamline design for SHiP.

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Author

Florian Stummer (European Organization for Nuclear Research)

Co-authors

Aleksandr Gorn (European Organization for Nuclear Research) Alice Goillot (European Organization for Nuclear Research) Bastien Rae (European Organization for Nuclear Research) Cosima Rudigier (European Organization for Nuclear Research, Graduate Institute of International and Development Studies) Emily Barber (European Organization for Nuclear Research, University of Surrey) Fabian Metzger (European Organization for Nuclear Research) Francesco Velotti (European Organization for Nuclear Research) Giovanni Dal Maso (European Organization for Nuclear Research) Johannes Bernhard (European Organization for Nuclear Research) Dr Lau Gatignon (European Organization for Nuclear Research, Lancaster University) Laurence Nevay (European Organization for Nuclear Research) Luke Dyks (European Organization for Nuclear Research) Maarten Van Dijk (European Organization for Nuclear Research) Matthew Fraser (European Organization for Nuclear Research) Nikolaos CHARITONIDIS (European Organization for Nuclear Research) Paraskevi Alexaki (University of Liverpool) Robin Tietgen (European Organization for Nuclear Research, Johannes Gutenberg University Mainz) SEYMA ESEN (European Organization for Nuclear Research) Silvia Schuh (European Organization for Nuclear Research)

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