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Dynamical Simulations of the Muon Campus at Fermilab


Abstract

The Muon Campus at Fermilab is a system through which muons are delivered to the storage ring of the Muon g−2 Experiment (E989). It consists of a set of 1 km beamlines that transport and prepare a highly polarized muon beam out of secondaries produced downstream a target station. Realistic simulations of this beam delivery system (BDS) using COSY INFINITY, and presented here, contribute to the understanding and characterization of the muon beam production in relation to the statistical and systematic uncertainties of the E989 measurement, intended to be smaller than 0.14 parts per million to achieve the goals of the experiment. The impact of nonlinearities from fringe fields and high-order contributions on the BDS performance are presented, as well as detailed studies of the interactions between secondaries and the beamline elements apertures, particle decay channels, spin dynamics and beamline misalignments.


D. Tarazona, M. Berz, K. Makino, D. Stratakis, M. J. Syphers, Int. Journal of Modern Physics A, 34, 36 (2019) 1942033. DOI: 10.1142/S0217751X19420338


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