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The pixel detector is the innermost tracking device in CMS, reconstructing interaction vertices and charged particle trajectories. The sensors located in the innermost layers of the pixel detector must be upgraded for the ten-fold increase…

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

Limited radiation hardness is the primary drawback to implementing Silicon Photomultipliers (SiPMs) in high-luminosity environments, such as the Compressed Baryonic Matter (CBM) experiment. Hadron irradiation generates defects in the…

Instrumentation and Detectors · Physics 2025-09-24 Jesús Peña-Rodríguez , Jörg Förtsch , Christian Pauly , Karl-Heinz Kampert

Pixel detectors for precise particle tracking in high energy physics have been developed to a level of maturity during the past decade. Three of the LHC detectors will use vertex detectors close to the interaction point based on the hybrid…

Instrumentation and Detectors · Physics 2007-05-23 Norbert Wermes

The OCTOPUS project addresses the development and characterization of monolithic active pixel sensors in the TPSCo 65 nm ISC technology in view of vertexing applications at a future lepton collider. Meeting the corresponding requirements --…

The European X-ray Free Electron Laser (XFEL), currently being constructed in Hamburg and planning to be operational in 2017 for users, will deliver 27,000 fully coherent, high brilliance X-ray pulses per second with duration less than 100…

Instrumentation and Detectors · Physics 2015-06-18 Jiaguo Zhang , Eckhart Fretwurst , Heinz Graafsma , Robert Klanner , Ioannis Kopsalis , Joern Schwandt

The high-luminosity operation of the Tracker in the Compact Muon Solenid (CMS) detector at the Large Hadron Collider (LHC) experiment calls for the development of silicon-based sensors. This involves implementation of AC-coupling to…

For experiments at the European X-Ray Free-Electron Laser (XFEL) the Adaptive Gain Integrating Pixel Detector (AGIPD) is under development. The particular requirements for the detector are a high dynamic range of 0, 1 - to more than 10E4…

Instrumentation and Detectors · Physics 2015-06-11 J. Schwandt , E. Fretwurst , R. Klanner , J. Zhang

We show that doubly peaked electric fields are necessary to describe grazing-angle charge collection measurements of irradiated silicon pixel sensors. A model of irradiated silicon based upon two defect levels with opposite charge states…

Owing to their intrinsic (geometry dependent) radiation hardness, 3D pixel sensors are promising candidates for the innermost tracking layers of the forthcoming experiment upgrades at the Phase 2 High-Luminosity LHC (HL-LHC). To this…

Instrumentation and Detectors · Physics 2017-02-01 DMS Sultan , Gian-Franco Dalla Betta , Roberto Mendicino , Maurizio Boscardin , Sabina Ronchin , Nicola Zorzi

The use of CMOS Pixel Sensors (CPS) for high resolution and low material vertex detectors has been validated with the 2014 and 2015 physics runs of the STAR-PXL detector at RHIC/BNL. This opens the door to the use of CPS for inner tracking…

Instrumentation and Detectors · Physics 2017-03-08 A. Besson , A. Pérez Pérez , E. Spiriti , J. Baudot , G. Claus , M. Goffe , M. Winter

This paper presents the results of the characterisation of a pixel sensor manufactured in OKI 0.2 micron SOI technology integrated on a high-resistivity substrate, and featuring several pixel cell layouts for charge collection optimisation.…

Instrumentation and Detectors · Physics 2011-10-19 Marco Battaglia , Dario Bisello , Devis Contarato , Peter Denes , Piero Giubilato , Serena Mattiazzo , Devis Pantano , Sarah Zalusky

The DEPFET collaboration develops highly granular, ultra-transparent active pixel detectors for high-performance vertex reconstruction at future collider experiments. The characterization of detector prototypes has proven that the key…

First prototypes of large area, p-n junction, silicon carbide (SiC) detectors have been produced as part of an ongoing programme to develop a new particle identification wall for the focal plane detector of the MAGNEX magnetic spectrometer,…

Instrumentation and Detectors · Physics 2024-11-07 D. Carbone , A. Spatafora , D. Calvo , F. Guerra , G. A. Brischetto , F. Cappuzzello , M. Cavallaro , M. Ferrero , F. La Via , S. Tudisco

With the next upgrade of the ALICE inner tracking system (ITS3) as its primary focus, a set of small MAPS test structures have been developed in the 65 nm TPSCo CMOS process. The CE-65 focuses on the characterisation of the analogue charge…

In recent years, scientific Complementary Metal Oxide Semiconductor (sCMOS) devices have been increasingly applied in X-ray detection, thanks to their attributes such as high frame rate, low dark current, high radiation tolerance and low…

Instrumentation and Detectors · Physics 2022-12-14 Yu Hsiao , Zhixing Ling , Chen Zhang , Wenxin Wang , Quan Zhou , Xinyang Wang , Shuang-Nan Zhang , Weimin Yuan

Progress is reported on the development and testing of Monolithic Active Pixel Sensors (MAPS) for a Si-W ECAL for the ILC. Using laser and source setups, a first version of the sensor has been characterised through measurements of the…

This study investigates the charging-up effect on the Topmetal-II- chip in Gas Micro-Pixel Detectors(GMPD). It is found that this effect differs from the charging-up typically observed in gas detector multiplier devices and increases the…

Instrumentation and Detectors · Physics 2024-08-06 Difan Yi , Qian Liu , Hongbang Liu , Fei Xie , Huanbo Feng , Lin Zhou , Zuke Feng , Yangheng Zheng

To enhance the spatial resolution of the M\"ONCH 25 \textmu m pitch hybrid pixel detector, deep learning models have been trained using both simulation and measurement data. Challenges arise when comparing simulation-based deep learning…

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