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We report the design and characterization of a CMOS pixel direct charge sensor, Topmetal-II-, fabricated in a standard 0.35um CMOS Integrated Circuit process. The sensor utilizes exposed metal patches on top of each pixel to directly…

Instrumentation and Detectors · Physics 2015-12-23 Mangmang An , Chufeng Chen , Chaosong Gao , Mikyung Han , Rong Ji , Xiaoting Li , Yuan Mei , Quan Sun , Xiangming Sun , Kai Wang , Le Xiao , Ping Yang , Wei Zhou

This paper presents a small-area monolithic pixel detector ASIC designed in 130 nm SiGe BiCMOS technology for the upgrade of the pre-shower detector of the FASER experiment at CERN. The purpose of this prototype is to study the integration…

To cope with the challenging environment of the planned high luminosity upgrade of the Large Hadron Collider (HL-LHC), scheduled to start operation in 2029, CMS will replace its entire tracking system. The requirements for the tracker are…

Instrumentation and Detectors · Physics 2022-12-12 The Tracker Group of the CMS Collaboration

The current CMS silicon pixel detector as the innermost component of the CMS experiment is performing well at LHC design luminosity, but would be subject to severe inefficiencies at LHC peak luminosities of 2x10e34 cm^-2 s^-1. Therefore, an…

Instrumentation and Detectors · Physics 2015-05-15 Simon Spannagel

Semiconductor pixel detectors offer features for the detection of radiation which are interesting for particle physics detectors as well as for imaging e.g. in biomedical applications (radiography, autoradiography, protein crystallography)…

High Energy Physics - Experiment · Physics 2009-11-07 Norbert Wermes

Monolithic active pixel sensors (MAPS) are now well established as a technology for tracking charged particles, especially when low material budget is desirable. For such applications, sensors focus on spatial resolution and pixels with…

Instrumentation and Detectors · Physics 2022-09-28 W. Ren , J. Baudot , L. Federici , C. Finck , C. Hu-Guo , M. Kachel , C. -A. Reidel , C. Schui , R. Sefri , E. Spiriti , U. Weber , Y. Zhao

This paper presents the results of a study of the response of a test CMOS sensor with a radiation tolerant pixel cell design to 80 keV and 100 keV electrons. The point spread function is measured to be (13.0+/- 1.7) microns at 100 keV and…

Instrumentation and Detectors · Physics 2009-06-25 Marco Battaglia , Devis Contarato , Peter Denes , Dionisio Doering , Velimir Radmilovic

Monolithic Active Pixel Sensors (MAPS) have been developed since the late 1990s employing silicon substrate with a thin epitaxial layer in which deposited charge is collected by disordered diffusion rather than by drift in an electric…

A pixelated silicon detector, developed originally for particle physics experiments, was used for a beam profile measurement of a Co-60 irradiator in a water phantom. The beam profile was compared to a profile measured with a pinpoint…

Dense tracking environments in experiments at CERN's High-Luminosity LHC and future FCC experiments call for an increased use of timing information in addition to the position measurement of pixel detectors. This adds one dimension to the…

The high-luminosity upgrade of the CERN LHC requires the replacement of the CMS tracking detector to cope with the increased radiation fluence while maintaining its excellent performance. An extensive R\&D program, aiming at using 3D pixel…

Instrumentation and Detectors · Physics 2025-10-16 The Tracker Group of the CMS Collaboration

We have been developing a monolithic active pixel sensor, ``XRPIX``, for the Japan led future X-ray astronomy mission ``FORCE`` observing the X-ray sky in the energy band of 1-80 keV with angular resolution of better than 15``. XRPIX is an…

Scientific Complementary Metal Oxide Semiconductor (sCMOS) sensors are finding increasingly more applications in astronomical observations, thanks to their advantages over charge-coupled devices (CCDs) such as a higher readout frame rate,…

Instrumentation and Methods for Astrophysics · Physics 2023-03-16 Qinyu Wu , Zhixing Ling , Xinyang Wang , Chen Zhang , Weimin Yuan , Shuang-Nan Zhang

Pixel Detectors, as the current technology of choice for the innermost vertex detection, have reached a stage at which large detectors have been built for the LHC experiments and a new era of developments, both for hybrid and for monolithic…

Instrumentation and Detectors · Physics 2009-06-23 Norbert Wermes

We present the results of the characterization of novel n-in-p planar pixel detectors, designed for the future upgrades of the ATLAS pixel system. N-in-p silicon devices are a promising candidate to replace the n-in-n sensors thanks to…

Instrumentation and Detectors · Physics 2012-03-01 A. Macchiolo , C. Gallrapp , A. La Rosa , R. Nisius , H. Pernegger , R. H. Richter , P. Weigell

Pixel sensors using 8" CMOS processing technology have been designed and characterized offering the benefits of industrial sensor fabrication, including large wafers, high throughput and yield, as well as low cost. The pixel sensors are…

Instrumentation and Detectors · Physics 2017-08-02 D. -L. Pohl , T. Hemperek , I. Caicedo , L. Gonella , F. Hügging , J. Janssen , H. Krüger , A. Macchiolo , N. Owtscharenko , L. Vigani , N. Wermes

We present the development of a single-photon detector and the connected read-out electronics. This `hybrid' detector is based on a vacuum tube, transmission photocathode, microchannel plate and a pixelated CMOS read-out anode encapsulating…

Instrumentation and Detectors · Physics 2022-07-06 J. A. Alozy , N. V. Biesuz , M. Campbell , V. Cavallini , A. Cotta Ramusino , M. Fiorini , M. Guarise , X. Llopart Cudie

Silicon pixel sensors manufactured using commercial CMOS processes are promising instruments for high-energy particle physics experiments due to their high yield and proven radiation hardness. As one of the essential factors for the…

Instrumentation and Detectors · Physics 2024-04-01 Sinuo Zhang , Ivan Caicedo , Tomasz Hemperek , Toko Hirono , Jochen Dingfelder

The ATLAS experiment, at the Large Hadron Collider, will incorporate discrete, high-resolution tracking sub-systems in the form of segmented silicon detectors with 40MHz radiation-hard readout electronics. In the region closest to the pp…

High Energy Physics - Experiment · Physics 2007-05-23 John Richardson , representing the ATLAS Pixel Project