Abstract
Fermilab is dedicated to hosting world-class experiments in search of new physics that will operate in the coming years. The Muon g-2 Experiment is one such experiment that will determine with unprecedented precision the muon anomalous magnetic moment, which offers an important test of the Standard Model. We describe in this study the accelerator facility that will deliver a muon beam to this experiment. We first present the lattice design that allows for efficient capture, transport, and delivery of polarized muon beams. We then numerically examine its performance by simulating pion production in the target, muon collection by the downstream beam line optics, as well as transport of muon polarization. We finally establish the conditions required for the safe removal of unwanted secondary particles that minimizes contamination of the final beam.
Highlights
Measurement of the muon anomalous magnetic moment, αμ 1⁄4 ðgμ − 2Þ=2, provides an important test of the Standard Model (SM) [1]
Fermilab is launching a suite of experiments in the coming years that will look for physics beyond the SM
The Muon g-2 Experiment will determine with unprecedented precision the muon anomalous magnetic moment, while the Mu2e Experiment [18] will search for neutrinoless muon to electron conversion
Summary
Measurement of the muon anomalous magnetic moment, αμ 1⁄4 ðgμ − 2Þ=2, provides an important test of the Standard Model (SM) [1]. These bunches are extracted one at a time and directed to a target station, which is tuned to collect 3.1 GeV=c positive secondary particles Pions and their daughter muons are transported along a 280 m channel and injected into the repurposed antiproton debuncher ring [12,13], where they make several revolutions before being kicked into a final beam line that terminates at the entrance of the muon storage ring that is used by the Muon g-2 Experiment. We present a lattice design to efficiently capture, transport and deliver a muon beam from the production target towards the storage ring of the Muon g-2 Experiment.
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