Journal Article

PUBDB-2022-00370

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Technical design of the phase I Mu3e experiment

Arndt, K. ; Augustin, H. ; Baesso, P. ; Berger, N. ; Berg, F. ; Betancourt, C. ; Bortoletto, D. ; Bravar, A. ; Briggl, K. ; vom Bruch, D. ; Buonaura, A. ; Cadoux, F. ; Chavez Barajas, C. ; Chen, H. ; Clark, K. ; Cooke, P. ; Corrodi, S. ; Damyanova, A. ; Demets, Y. ; Dittmeier, S. ; Eckert, P. ; Ehrler, F. ; Fahrni, D. ; Gagneur, S. ; Gerritzen, L. ; Goldstein, J. ; Gottschalk, D. ; Grab, C. ; Gredig, R. ; Groves, A. ; Hammerich, J. ; Hartenstein, U. ; Hartmann, U. ; Hayward, H. ; Herkert, A. ; Hesketh, G. ; Hetzel, S. ; Hildebrandt, M. ; Hodge, Z. ; Hofer, A. ; Huang, Q. H. ; Hughes, S. ; Huth, L.DESY* ; Immig, D. M. ; Jones, T. ; Jones, M. ; Kästli, H.-C. ; Köppel, M. ; Kettle, P.-R. ; Kiehn, M. ; Kilani, S. ; Klingenmeyer, H. ; Knecht, A. ; Knight, A. ; Kotlinski, B. ; Kozlinskiy, A. ; Leys, R. ; Lockwood, G. ; Loreti, A. ; La Marra, D. ; Müller, M. ; Meier, B. ; Meier Aeschbacher, F. ; Meneses, A. ; Metodiev, K. ; Mtchedlishvili, A. ; Muley, S. ; Munwes, Y. ; Noehte, L. O. S. ; Owen, P. ; Papa, A. ; Paraskevas, I. ; Perić, I. ; Perrevoort, A.-K. ; Plackett, R. ; Pohl, M. ; Ritt, S. ; Robmann, P. ; Rompotis, N. ; Rudzki, T. ; Rutar, G. ; Schöning, A. ; Schimassek, R. ; Schultz-Coulon, H.-C. ; Serra, N. ; Shen, W. ; Shipsey, I. ; Shrestha, S. ; Steinkamp, O. ; Stoykov, A. ; Straumann, U. ; Streuli, S. ; Stumpf, K. ; Tata, N. ; Velthuis, J. ; Vigani, L. ; Vilella-Figueras, E. ; Vossebeld, J. ; Wallny, R. ; Wasili, A. ; Wauters, F. ; Weber, A. ; Wiedner, D. ; Windelband, B. ; Zhong, T. ; Mu3e Collaboration (Collaboration author)

2021
North-Holland Publ. Co. Amsterdam

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Please use a persistent id in citations: doi:10.1016/j.nima.2021.165679  doi:10.3204/PUBDB-2022-00370

Report No.: arXiv:2009.11690

Abstract: The Mu3e experiment aims to find or exclude the lepton flavour violating decay $μ → eee$ at branching fractions above 10$^{−16}$. A first phase of the experiment using an existing beamline at the Paul Scherrer Institute (PSI) is designed to reach a single event sensitivity of 2⋅10$^{−15}$. We present an overview of all aspects of the technical design and expected performance of the phase I Mu3e detector. The high rate of up to 108 muon decays per second and the low momenta of the decay electrons and positrons pose a unique set of challenges, which we tackle using an ultra thin tracking detector based on high-voltage monolithic active pixel sensors combined with scintillating fibres and tiles for precise timing measurements.

Keyword(s): activity report ; muon: decay ; scintillation counter: fibre ; lepton: flavor: violation ; semiconductor detector: pixel ; tracking detector ; performance ; sensitivity ; detector: design ; Lepton flavour violation ; Muon decays ; Monolithic pixel detector ; Scintillating fibres ; Scintillating tiles

Note: Nuclear Instruments and Methods in Physics Research Section A: Vol. 1014 (2021) 165679. 117 pages. Minor corrections to the author list. Replaced with published version. Editor: Frank Meier Aeschbacher

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Contributing Institute(s):

1. Detector RD at DESY Test beam (FHTestBeam)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)

Experiment(s):

1. DESY: TestBeamline 21 (DESY II)
2. DESY: TestBeamline 22 (DESY II)
3. DESY: TestBeamline 24 (DESY II)

Appears in the scientific report 2021

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