The Mu3e experiment: toward the construction of an HV-MAPS vertex detector

Rudzki T, Augustin H, Deflorin M, Dittmeier S, Frauen F, Immig DM, Kim D, Aeschbacher FM, González AM, Menzel M, Perić I, Preuß S, Schöning A, Vigani L, Weber A & Weinläder B
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Rudzki, T., Augustin, H., Deflorin, M., Dittmeier, S., Frauen, F., Immig, D. M., … Weinläder, B. (2021). The Mu3e experiment: toward the construction of an HV-MAPS vertex detector. In Information regarding proceedings of the international workshop on future linear colliders (LCWS2021) (pp. 1-10). Stanford Linear Accelerator Center (SLAC).
https://www.dora.lib4ri.ch/psi/islandora/object/psi:41004

The Mu3e experiment searches for the lepton flavor violating decay µ+ → e+ e+ e− with an ultimate aimed sensitivity of 1 event in 1016 decays. This goal can only be achieved by reducing the material budget per tracking layer to X/X0 ≈ 0.1 %. High-Voltage Monolithic Active Pixel Sensors (HV-MAPS) which are thinned to 50 µm serve as sensors. Gaseous helium is chosen as coolant. Results of recent studies related to the sensor prototypes, the helium cooling, and module prototyping are presented. The recent chip submission MuPix10 has proven its functionality regarding efficiency and time resolution. The helium cooling system for the inner tracker could be verified using a full-scale prototype. A complete prototype equipped with MuPix10 chips will be tested inside the Mu3e magnet in summer 2021.

Details
Publication Type

Proceedings Paper

Title

The Mu3e experiment: toward the construction of an HV-MAPS vertex detector

Author(s)

Rudzki, Thomas

Augustin, Heiko

Deflorin, Marin

Dittmeier, Sebastian

Frauen, Florian

Immig, David M.

Kim, Dohun

Aeschbacher, Frank Meier (3203 Muon Physics)

González, Annie Meneses

Menzel, Marius

Perić, Ivan

Preuß, Sebastian

Schöning, André

Vigani, Luigi

Weber, Alena

Weinläder, Benjamin

Conference Proceedings

Information regarding proceedings of the international workshop on future linear colliders (LCWS2021)

Editor(s)

(editor)

Publisher

Stanford Linear Accelerator Center (SLAC)

Start Page

1

End Page

10

Publication Year

2021

Conference

Information regarding proceedings of the international workshop on future linear colliders (LCWS2021)

Conference Place

Zürich, Switzerland

Conference Date

March 15-18, 2021

Keywords

pixel detector
Mu3e
MuPix
HV-MAPS
HV-CMOS
cooling

Facility

CHRISP

Beamline

Mu3e

Collection

PSI Publications
Open Access