Bonn 2020 – scientific programme

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T: Fachverband Teilchenphysik

T 15: Search for new particles I

T 15.5: Talk

Monday, March 30, 2020, 17:30–17:45, H-HS XVI

Results of the muon flux and spectrum measurement from a target replica for the SHiP experiment — •Stefan Bieschke, Daniel Bick, Caren Hagner, and Walter Schmidt-Parzefall — Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg

SHiP is a proposed, general purpose beam dump experiment using CERN’s SPS 400 GeV proton beam dedicated to the Search for Hidden Particles. A high intensity proton beam which is stopped in a massive target produces a large number of particles, possibly including particles from the dark sector, which have evaded detection so far. Among these, a huge amount of muons is produced. For SHiP, a low background environment is necessary and muons will be diverted utilizing an active magnetic shield. For the optimization of this shield, knowledge about the muon flux and spectrum is crucial. Therefore in summer 2018 an experiment at the CERN SPS was performed measuring the muon flux and spectrum from a target replica of the SHiP target at the H4 beam line. During the three week experiment O(5×10¹¹) p.o.t were collected. The results of the analysis will be presented.