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Related papers: LHCb VELO Timepix3 Telescope

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First measurements are presented from a newly commissioned two-photon absorption (TPA) setup at Nikhef. The characterisation of the various components of the system is discussed. Two planar silicon sensors, one being electron collecting and…

Instrumentation and Detectors · Physics 2022-02-23 R. Geertsema , K. Akiba , M. van Beuzekom , T. Bischoff , K. Heijhoff , H. Snoek

3D silicon pixel detectors have been investigated as radiation-hard candidates for the innermost layers of the HL-LHC upgrade of the ATLAS pixel detector. 3D detectors are already in use today in the ATLAS IBL and AFP experiments. These are…

The existing ATLAS Tracker will be at its functional limit for particle fluences of 10^15 neq/cm^2 (LHC). Thus for the upgrades at smaller radii like in the case of the planned Insertable B-Layer (IBL) and for increased LHC luminosities…

A second monolithic silicon pixel prototype was produced for the MONOLITH project. The ASIC contains a matrix of hexagonal pixels with 100 {\mu}m pitch, readout by a low-noise and very fast SiGe HBT frontend electronics. Wafers with 50…

This contribution reports on characterisation results of a large-area (2$~\mathrm{cm}^2$) small pitch (55$~\mu$m) inverse Low-Gain Avalanche Detector (iLGAD), bonded to a Timepix3 readout chip. The ilGAD sensors were produced by Micron…

Instrumentation and Detectors · Physics 2025-01-09 Peter Svihra , Richard Bates , Justus Braach , Eric Buschmann , Dominik Dannheim , Dima Maneuski , Neil Moffat , Younes Otarid

Test measurements on the silicon pixel detector for the beam trajectory monitor at the free electron laser of the TESLA test facility are presented. To determine the electronic noise of detector and read-out and to calibrate the signal…

AstroPix is a high-voltage CMOS (HV-CMOS) monolithic active pixel sensor originally developed to enable precision gamma-ray imaging and spectroscopy in the medium-energy regime (approximately 100 keV-100 MeV) based on the groundwork laid by…

Instrumentation and Methods for Astrophysics · Physics 2026-02-10 Bobae Kim , Regina Caputo , Manoj Jadhav , Sylvester Joosten , Adrien Laviron , Richard Leys , Jessica Metcalfe , Nicolas Striebig , Daniel Violette , Maria Żurek

Two-photon absorption (TPA) enables three-dimensional characterisation of silicon detectors by generating charge carriers within a confined volume around a focused laser spot. In combination with pixelated readout systems, TPA measurements…

Instrumentation and Detectors · Physics 2026-04-20 Tianqi Gao

The ALICE collaboration is preparing an upgrade of the three innermost layers of the current Inner Tracking System (ITS) during the next LHC long shutdown (LS3). The new ITS detector will use wafer-scale (up to \SI{27}{cm} in length)…

Instrumentation and Detectors · Physics 2026-01-29 Stefania Perciballi

SiGe BiCMOS technology can be used to produce ultra-fast, low-power silicon pixel sensors that provide state-of-the-art time resolution even without an internal gain mechanism. The development of such sensors requires the identification of…

ALICE 3 is the proposed next-generation heavy-ion experiment at the CERN Large Hadron Collider (LHC), envisioned for operation during Run 5. The tracking system of ALICE 3 will consist of a high-precision vertex detector integrated into a…

Instrumentation and Detectors · Physics 2025-10-21 Sanghoon Lim

CMOS Pixel Sensors tend to become relevant for a growing spectrum of charged particle detection instruments. This comes mainly from their high granularity and low material budget. However, several potential applications require a higher…

After the successful installation and first operation of the upgraded Inner Tracking System (ITS2), which consists of about $10\,$m$^2$ of monolithic silicon pixel sensors, ALICE is pioneering the usage of bent, wafer-scale pixel sensors…

Instrumentation and Detectors · Physics 2022-12-07 Alperen Yüncü

Hybrid pixel detectors have a well-established array of applications ranging from particle physics to life sciences. The small dimensions of Timepix3 as well as its relatively low energetic expenses make it an intriguing option additionally…

Instrumentation and Detectors · Physics 2025-09-10 Radu-Emanuel Mihai , Benedikt Bergmann , Petr Smolyanskiy

This paper details preliminary photon measurements with the monolithic silicon detector ATLASPix, a pixel detector built and optimized for the CERN experiment ATLAS. The goal of this paper is to determine the promise of pixelated silicon in…

Instrumentation and Methods for Astrophysics · Physics 2021-01-13 Isabella Brewer , Regina Caputo , Michela Negro , Richard Leys , Carolyn Kierans , Ivan Peric , Jessica Metcalfe , Jeremy Perkins

We present the results of a detailed simulation of the artificial retina pattern-recognition algorithm, designed to reconstruct events with hundreds of charged-particle tracks in pixel and silicon detectors at LHCb with LHC crossing…

The inner drift chamber of the BESIII is encountering serious aging problem after five year's running. For the first layer, the decrease in gas gain is about 26% from 2009 to 2013. The upgrade of the inner tracking detector has become an…

Instrumentation and Detectors · Physics 2015-10-30 Qinglei Xiu , Mingyi Dong , Weidong Li , Huaimin Liu , Qiumei Ma , Qun Ouyang , Zhonghua Qin , Liangliang Wang , Linghui Wu , Ye Yuan , Yao Zhang

Vector meson photoproduction at high energies has attracted increased interest in recent years due to the unique kinematical ranges offered by the LHC experiments. The ALICE and LHCb collaborations have provided measurements of vector meson…

High Energy Physics - Experiment · Physics 2021-09-08 Simone Ragoni

A characterisation of the Timepix4 pixel front-end with a strong focus on timing performance is presented. Externally generated test pulses were used to probe the per-pixel time-to-digital converter (TDC) and measure the time-bin sizes by…

Instrumentation and Detectors · Physics 2022-07-13 K. Heijhoff , K. Akiba , R. Ballabriga , M. van Beuzekom , M. Campbell , A. P. Colijn , M. Fransen , R. Geertsema , V. Gromov , X. Llopart Cudie

The CLEO III detector has recently commenced data taking at the Cornell electron Storage Ring (CESR). One important component of this detector is a 4 layer double-sided silicon tracker with 93% solid angle coverage. This detector ranges in…

High Energy Physics - Experiment · Physics 2014-11-17 E. von Toerne , J. Burns , J. Duboscq , E. Eckhart , K. Honscheid , H. Kagan R. Kass , D. Larsen , C. Rush , S. Smith , J. B. Thayer