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A new timing detector measuring ~50 MeV/c positrons is under development for the MEG II experiment, aiming at a time resolution $\sigma_t \sim 30~\mathrm{ps}$. The resolution is expected to be achieved by measuring each positron time with…

Instrumentation and Detectors · Physics 2016-05-23 P. W. Cattaneo , M. De Gerone , F. Gatti , M. Nishimura , W. Ootani , M. Rossella , S. Shirabe , Y. Uchiyama

The Large High Altitude Air Shower Observatory (LHAASO) project has been proposed for the survey and study of cosmic rays. In the LHAASO project, the Water Cherenkov Detector Array (WCDA) is one of major detectors for searching gamma ray…

Instrumentation and Detectors · Physics 2016-01-20 Weihao Wu , Lei Zhao , Yu Liang , Li Yu , Jianfeng Liu , Shubin Liu , Qi An

The aim of the MIMAC project is to detect non-baryonic Dark Matter with a directional TPC. The recent Micromegas efforts towards building a large size detector will be described, in particular the characterization measurements of a…

MiniCACTUS-v2 is a monolithic sensor prototype designed in LF 150 nm CMOS process for time tagging of individual Minimum Ionizing Particles with an accuracy better than 100 ps. The sensing element is a deep n-well/p-substrate diode without…

Instrumentation and Detectors · Physics 2026-02-24 Y. Degerli , R. Aleksan , R. Casanova , Y. Gan , S. Grinstein , F. Guilloux , A. Hanlon , T. Hemperek , J. P. Meyer , J. Pinol , P. Schwemling , E. Vilella

The Compact Muon Solenoid (CMS) detector at the CERN Large Hadron Collider (LHC) is undergoing an extensive Phase II upgrade program to prepare for the challenging conditions of the High-Luminosity LHC (HL-LHC). A new timing layer is…

Instrumentation and Detectors · Physics 2018-10-02 Irene Dutta

Micromesh Gas Structures (Micromegas) as readout of gaseous Time Projection Chambers (TPCs) are being considered in experiments investigating rare phenomena, like the nuclear double beta decay, solar axion detection and low-mass dark matter…

We report recent developments and tests with beams and cosmic rays of the gaseous photomultiplier (GasPM). The GasPM is a photosensor that combines a photocathode with the avalanche-multiplication mechanism of a resistive-plate chamber,…

Instrumentation and Detectors · Physics 2026-03-09 Simone Garnero , Kenji Inami , Kodai Matsuoka , Ryogo Okubo , Koichi Ueda

In the last few years our group have focused on developing various designs of spark-protected micropattern gaseous detectors featuring resistive electrodes instead of the traditional metallic ones: resistive microstrip counters, resistive…

Instrumentation and Detectors · Physics 2015-06-04 P. Fonte , E. Nappi , P. Martinengo , R. Oliveira , V. Peskov F. Pietropaolo , P. Picchi

In this paper, the design and the performance of two prototype detectors based on Micromegas technology with a pad readout geometry is discussed. In addition, two alternative implementations of a spark-resistent protection layer on top of…

Instrumentation and Detectors · Physics 2015-06-04 Tai-Hua Lin , Andreas Düdder , Matthias Schott , Chrysostomos Valderanis

The water Cherenkov detector array (WCDA) is one of the key detectors in the large high altitude air shower observatory (LHAASO), which is proposed for very high gamma ray source survey. In WCDA, there are more than 3000 photomultiplier…

Instrumentation and Detectors · Physics 2018-06-26 Shengzhi Zhou , Lei Zhao , Yuxiang Guo , Ruoshi Dong , Boyu Cheng , Jiajun Qin , Sifan Qian , Shubin Liu , Qi An

In this work, we present a novel compact particle identification (PID) detector concept based on Silicon Photomultipliers (SiPMs) optimized to perform combined Ring-Imaging Cherenkov (RICH) and Time-of-Flight (TOF) measurements using a…

Instrumentation and Detectors · Physics 2026-01-22 M. N. Mazziotta , L. Congedo , G. De Robertis , M. Giliberti , F. Licciulli , A. Liguori , L. Lorusso , N. Nicassio , G. Panzarini , R. Pillera

COMPASS is a fixed target experiment at CERN SPS aimed to study hadron structure and spectroscopy. Hadron identification in the momentum range between $3$ and $55 GeV/c$ is provided by a large gaseous Ring Imaging Cherenkov Counter, RICH-1.…

The Large High Altitude Air Shower Observatory (LHAASO) is designed for high energy gamma ray and cosmic ray detection. A Water Cherenkov Detector Array which is sensitive to gamma ray showers above a few hundred GeV is proposed to survey…

Instrumentation and Detectors · Physics 2016-03-14 Jianfeng Liu , Lei Zhao , Li Yu , Yu Liang , Jiajun Qin , Yunfang Yang , Weihao Wu , Shubin Liu , Qi An

The proof-of-concept prototype of the Picosecond Avalanche Detector, a multi-PN junction monolithic silicon detector with continuous gain layer deep in the sensor depleted region, was tested with a beam of 180 GeV pions at the CERN SPS. The…

Micromegas technology is a promising candidate to replace Atlas forward muon chambers -tracking and trigger- for future HL-LHC upgrade of the experiment. The increase on background and pile-up event probability requires detector…

The Large High Altitude Air Shower Observatory is in the R&D phase, in which the Water Cherenkov Detector Array is an important part. The signals of Photo-Multiplier Tubes would vary from single photo electron to 4000 photo electrons, and…

Instrumentation and Detectors · Physics 2019-07-09 Lei Zhao , Weihao Wu , Jianfeng Liu , Yu Liang , Jiajun Qin , Li Yu , Shubin Liu , Qi An

This paper presents results that take a critical step toward proving 10 ps timing resolution's feasibility for particle identification in the TOPSiDE detector concept for the Electron-Ion Collider. Measurements of LGADs with a thickness of…

Instrumentation and Detectors · Physics 2021-07-07 M. Jadhav , W. Armstrong , I. Cloet , S. Joosten , S. M. Mazza , J. Metcalfe , Z. -E. Meziani , H. F. -W. Sadrozinski , B. Schumm , A. Seiden

Time and charge measurements over a large dynamic range from 1 Photo Electron (P.E.) to 4000 P.E. are required for the Water Cherenkov Detector Array (WCDA), which is one of the key components in the Large High Altitude Air Shower…

Instrumentation and Detectors · Physics 2019-09-26 Yu Liang , Lei Zhao , Yuxiang Guo , Jiajun Qin , Yunfang Yang , Boyu Cheng , Shubin Liu , Qi An

A muon tracking system consisting of four 9cm x 10cm sized bulk Micromegas detectors with 128um amplification-gap and two 10cm x 10cm triple GEM detectors is foreseen for high-precision tracking of 140GeV muons at the H8 beamline at CERN…

Instrumentation and Detectors · Physics 2015-06-03 Jonathan Bortfeldt , Otmar Biebel , David Heereman , Ralf Hertenberger