The STAR MAPS-based PiXeL detector

Giacomo Contin, Leo Greiner, Joachim Schambach, Michal Szelezniak, Eric Anderssen, Jacque Bell, Mario Cepeda, Thomas Johnson, Hao Qiu, Hans Georg Ritter, Joseph Silber, Thorsten Stezelberger, Xiangming Sun, Co Tran, Chinh Vu, Howard Wieman, Kenneth Wilson, Rhonda Witharm, Samuel Woodmansee, John Wolf

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

The PiXeL detector (PXL) for the Heavy Flavor Tracker (HFT) of the STAR experiment at RHIC is the first application of the state-of-the-art thin Monolithic Active Pixel Sensors (MAPS) technology in a collider environment. Custom built pixel sensors, their readout electronics and the detector mechanical structure are described in detail. Selected detector design aspects and production steps are presented. The detector operations during the three years of data taking (2014–2016) and the overall performance exceeding the design specifications are discussed in the conclusive sections of this paper.

Original languageEnglish
Pages (from-to)60-80
Number of pages21
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume907
DOIs
StatePublished - Nov 1 2018
Externally publishedYes

Funding

This work was supported by the Director, Office of Science, Office of Nuclear Science of the U.S. Department of Energy under Contracts No. DE-AC02-05CH11231 and No. DE-SC0013391. We gratefully acknowledge the PICSEL group of IPHC Strasbourg (M. Winter et al.) for the development of the PXL detector sensors. We thank Robert Soja, William Christie and the STAR Technical and Detector Support Groups at Brookhaven National Laboratory for their help with installation, operations and maintenance of the PXL detector in STAR. This work was supported by the Director, Office of Science, Office of Nuclear Science of the U.S. Department of Energy under Contracts No. DE-AC02-05CH11231 and No. DE-SC0013391 . We gratefully acknowledge the PICSEL group of IPHC Strasbourg (M. Winter et al.) for the development of the PXL detector sensors. We thank Robert Soja, William Christie and the STAR Technical and Detector Support Groups at Brookhaven National Laboratory for their help with installation, operations and maintenance of the PXL detector in STAR.

FundersFunder number
Office of Nuclear Science
U.S. Department of EnergyDE-AC02-05CH11231, DE-SC0013391
Office of Science
Star Scientific Foundation

    Keywords

    • HFT
    • MAPS
    • Pixel
    • RHIC
    • STAR
    • Vertex detector

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