First-Level Muon Track Trigger for Future Hadron Collider Experiments

Kortner, Oliver; Abovyan, Sergey; Cieri, Davide; Danielyan, Varuzhan; Fras, Markus; Gadow, Philipp; Kortner, Sandra; Kroha, Hubert; Müller, Felix; Nowak, Sebastian; Richter, Robert; Schmidt-Sommerfeld, Korbinian

doi:10.1016/j.nima.2019.01.035

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First-Level Muon Track Trigger for Future Hadron Collider Experiments

MPS-Authors

Kortner, Oliver
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Abovyan, Sergey
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cieri, Davide
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Danielyan, Varuzhan
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fras, Markus
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gadow, Philipp
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kortner, Sandra
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kroha, Hubert
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Müller, Felix
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nowak, Sebastian
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Richter, Robert
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Schmidt-Sommerfeld, Korbinian
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Kortner, O., Abovyan, S., Cieri, D., Danielyan, V., Fras, M., Gadow, P., et al. (2019). First-Level Muon Track Trigger for Future Hadron Collider Experiments. Nuclear Instruments and Methods in Physics Research Section A, 936, 321.

Cite as: https://hdl.handle.net/21.11116/0000-0005-D7CF-0

Abstract

Single muon triggers are crucial for the physics programmes as hadron collider experiments. To be sensitive to electroweak processes, single muon triggers with transverse momentum thresholds down to 20 GeV and dimuon triggers with even lower thresholds are required. In order to keep the rates of these triggers at an acceptable level these triggers have to be be highly selective, i.e. they must have small accidental trigger rates and sharp trigger turn-on curves. The muon systems of the LHC experiments and experiments at future colliders like FCC-hh will use two muon chamber systems for the muon trigger, fast trigger chambers like RPCs with coarse spatial resolution and much slower precision chambers like drift-tube chambers with high spatial resolution. The data of the trigger chambers are used to identify the bunch crossing in which the muon was created and for a rough momentum measurement while the precise measurements of the muon trajectory by the precision chambers are ideal for an accurate muon momentum measurement. A concept for the muon trigger of the baseline detector for the FCC-hh which exploits the precision measurements of drift-tube chambers is presented including the description and the test of a compact muon track reconstruction algorithm.