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Precision Muon Reconstruction in Double Chooz
Journal article   Open access

Precision Muon Reconstruction in Double Chooz

Y. Abe, E. Baussan, A. Cabrera, A. Cucoanes, J.V. Dawson, M. Dracos, Muriel Fallot, D. Franco, Lydie Giot, A. Hourlier, …
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, v 764, pp 330-339
2014
DOI: https://doi.org/10.1016/j.nima.2014.07.058
url
https://doi.org/10.1016/j.nima.2014.07.058View
Accepted (AM)Open Access (Publisher-Specific),  Open

Abstract

High Energy Physics - Experiment Instrumentation and Detectors Physics
We describe a muon track reconstruction algorithm for the reactor anti-neutrino experiment Double Chooz. The Double Chooz detector consists of two optically isolated volumes of liquid scintillator viewed by PMTs, and an Outer Veto above these made of crossed scintillator strips. Muons are reconstructed by their Outer Veto hit positions along with timing information from the other two detector volumes. All muons are fit under the hypothesis that they are through-going and ultrarelativistic. If the energy depositions suggest that the muon may have stopped, the reconstruction fits also for this hypothesis and chooses between the two via the relative goodness-of-fit. In the ideal case of a through-going muon intersecting the center of the detector, the resolution is ~40 mm in each transverse dimension. High quality muon reconstruction is an important tool for reducing the impact of the cosmogenic isotope background in Double Chooz.

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9 citations in Web of Science
11 citations in Scopus

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Domestic collaboration
International collaboration
Web of Science research areas
Instruments & Instrumentation
Nuclear Science & Technology
Physics, Nuclear
Physics, Particles & Fields
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