Dynamical Simulations of the Muon Campus at Fermilab
AbstractThe 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.
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