The reconstruction software for the MICE scintillating fibre trackers

Dobbs, A.; Hunt, C.; Long, K.; Santos, E.; Uchida, M. A.; Kyberd, P.; Heidt, C.; Blot, Summer; Overton, Edward B.

doi:10.1088/1748-0221/11/12/t12001

Cited by 15 publications

(13 citation statements)

References 20 publications

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“…The trackers were each constructed from five planar stations of scintillating fibres, each with an active radius of 150 mm. The track parameters were reported at the nominal reference plane: the surface of the scintillating-fibre plane closest to the absorber [30]. Hall probes were installed on the tracker to measure the magnetic-field strength in situ.…”

Section: The Muon Ionization Cooling Experimentsmentioning

confidence: 99%

First particle-by-particle measurement of emittance in the Muon Ionization Cooling Experiment

Adams

Adey²,

Asfandiyarov

et al. 2019

Eur. Phys. J. C

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The Muon Ionization Cooling Experiment (MICE) collaboration seeks to demonstrate the feasibility of ionization cooling, the technique by which it is proposed to cool the muon beam at a future neutrino factory or muon collider. The emittance is measured from an ensemble of muons assembled from those that pass through the experiment. A pure muon ensemble is selected using a particleidentification system that can reject efficiently both pions and electrons. The position and momentum of each muon are measured using a high-precision scintillating-fibre tracker in a 4 T solenoidal magnetic field. This paper presents the techniques used to reconstruct the phase-space distributions in the upstream tracking detector and reports the first particleby-particle measurement of the emittance of the MICE Muon Beam as a function of muon-beam momentum.

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Section: The Muon Ionization Cooling Experimentsmentioning

confidence: 99%

First particle-by-particle measurement of emittance in the Muon Ionization Cooling Experiment

Adams

Adey²,

Asfandiyarov

et al. 2019

Eur. Phys. J. C

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“…The trackers measure the emittance before and after particles pass through the absorber. The tracker software algorithms and performance are described in detail in [39]. Digits are the most basic unit fed into the main reconstruction module, each digit representing a signal from one channel.…”

Section: Scintillating-fiber Trackersmentioning

confidence: 99%

MAUS: the MICE analysis user software

et al. 2019

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A: The Muon Ionization Cooling Experiment (MICE) collaboration has developed the MICE Analysis User Software (MAUS) to simulate and analyze experimental data. It serves as the primary codebase for the experiment, providing for offline batch simulation and reconstruction as well as online data quality checks. The software provides both traditional particle-physics functionalities such as track reconstruction and particle identification, and accelerator physics functions, such as calculating transfer matrices and emittances. The code design is object orientated, but has a top-level structure based on the Map-Reduce model. This allows for parallelization to support live data reconstruction during data-taking operations. MAUS allows users to develop in either Python or C++ and provides APIs for both. Various software engineering practices from industry are also used to ensure correct and maintainable code, including style, unit and integration tests, continuous integration and load testing, code reviews, and distributed version control. The software framework and the simulation and reconstruction capabilities are described.

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“…Performance of the wedge-shaped absorber is not reported in this paper. The upstream and downstream ensembles were reconstructed particle-by-particle using a scintillating fibre tracker [6,7], such that the effect of the absorber could be investigated.…”

Section: Muon Ionization Cooling Experimentsmentioning

confidence: 99%

Recent Results from the Study of Emittance Evolution in MICE

Hunt¹

2019

Proceedings of the 20th International Workshop on Neutrinos — PoS(NuFACT2018)

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The Muon Ionization Cooling Experiment (MICE) has measured the change in emittance due to ionization energy loss. Large aperture solenoid magnets were used to focus muons through Lithium-hydride, liquid hydrogen and empty absorbers. Diagnostic devices were placed upstream and downstream of the absorber, enabling the phase-space coordinates of individual muons to be reconstructed. By observing the properties of ensembles of muons, the evolution of the beam emittance was studied. The phase-space was analysed using single particle amplitude distributions and shows a clear increase in the core density of the beam, a direct effect of ionization cooling.

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The reconstruction software for the MICE scintillating fibre trackers

Cited by 15 publications

References 20 publications

First particle-by-particle measurement of emittance in the Muon Ionization Cooling Experiment

First particle-by-particle measurement of emittance in the Muon Ionization Cooling Experiment

MAUS: the MICE analysis user software

Recent Results from the Study of Emittance Evolution in MICE

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