Speaker
Description
At the Muon Science Facility (MUSE) located within the Japan Proton Accelerator Research Complex, there are four beamlines situated around the muon target. The D-line incorporates a superconducting solenoid, while the U-line utilizes an axial-focusing system capable of transporting muons over large solid angles to generate ultra-slow muons. The S-line is dedicated to µSR research, and the H-line primarily serves high-statistics fundamental physics experiments. MUSE operates with a 3 GeV proton beam at 1 MW power, a beam current of 333 µA, and the proton beam is double-pulsed at 25 Hz, delivering 1.87 x 10^15 protons per second. Approximately 90% of these protons are directed from the Rapid Cycling Synchrotron (RCS) to the muon target, where pions are produced as a result of proton interactions with low-Z nuclei materials like graphite. Subsequently, these pions decay into muons. In our work, we will present simulation results divided into two sections. The first section focuses on the muon target area to study muon production, the distribution of scattered particles around the muon target, proton transmission, pion yield, and muon yield. The second section describes the properties of the muon beam at the S-line entrance, including the impact of the leakage field from the H-line.
| Themes for the contribution | 4 Target design, analysis, and validation of concepts: |
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