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The performance of a Thick-COBRA (THCOBRA) gaseous detector is studied using an optical readout technique. The operation principle of this device is described, highlighting its operation in a gas mixture of Ar/CF4 (80/20%) for visible…

During the detector construction phase between 2004 and 2006, it was discovered that the LHCb Outer Tracker (OT) detector suffered from gain loss after irradiation in the laboratory at moderate intensities. Under irradiation an insulating…

Instrumentation and Detectors · Physics 2024-04-10 N. Tuning , S. Bachmann , A. Pellegrino , U. Uwer , D. Wiedner

To explore the feasibility of high-precision particle identification using the cluster counting technique for the drift chamber, a dedicated readout electronics system with low noise, high bandwidth, and high sampling rate is required. This…

Instrumentation and Detectors · Physics 2026-03-31 Dongcheng Cai , Qicai Li , Mingyi Dong , Weile Gong , Mengyang Ji , Hongbin Liu , Wenyu Pan , Linghui Wu , Dewei Xu , Yimie Yuan , Hongyu Zhang , Guang Zhao , Yubin Zhao

First results are presented from an analysis of data from the DRIFT-IIa and DRIFT-IIb directional dark matter detectors at Boulby Mine in which alpha particle tracks were reconstructed and used to characterise detector performance--an…

Automatic nuclear emulsion readout systems have seen remarkable progress since the original idea was developed almost 40 years ago. After the success of its full application to a large-scale neutrino experiment, OPERA, a much faster readout…

Instrumentation and Detectors · Physics 2017-11-15 Masahiro Yoshimoto , Toshiyuki Nakano , Ryosuke Komatani , Hiroaki Kawahara

We present here new transmission spectra of the hot Jupiter HD-189733b using the SpeX instrument on the NASA Infrared Telescope Facility. We obtained two nights of observations where we recorded the primary transit of the planet in the J-,…

Earth and Planetary Astrophysics · Physics 2014-02-19 C. Danielski , P. Deroo , I. P. Waldmann , M. D. J. Hollis , G. Tinetti , M. R. Swain

The High-Luminosity LHC will put significant demands on trigger systems. To control trigger thresholds, the CMS Collaboration is designing a novel Level-1 track trigger. The Outer Tracker will use modules with pairs of sensor layers to read…

Instrumentation and Detectors · Physics 2021-11-04 Brent R. Yates

Pressurized drift-tube chambers are efficient detectors for high-precision tracking over large areas. The Monitored Drift-Tube (MDT) chambers of the muon spectrometer of the ATLAS detector at the Large Hadron Collider (LHC) reach a spatial…

Instrumentation and Detectors · Physics 2016-10-04 B. Bittner , J. Dubbert , S. Horvat , O. Kortner , H. Kroha , F. Legger , R. Richter , S. Adomeit , O. Biebel , A. Engl , R. Hertenberger , F. Rauscher , A. Zibell

Gas Electron Multiplier (GEM) technology is being considered for the forward muon upgrade of the CMS experiment in Phase 2 of the CERN LHC. Its first implementation is planned for the GE1/1 system in the $1.5 < \mid\eta\mid < 2.2$ region of…

Instrumentation and Detectors · Physics 2014-12-10 D. Abbaneo , M. Abbas , M. Abbrescia , A. A. Abdelalim , M. Abi Akl , W. Ahmed , W. Ahmed , P. Altieri , R. Aly , C. Asawatangtrakuldee , A. Ashfaq , P. Aspell , Y. Assran , I. Awan , S. Bally , Y. Ban , S. Banerjee , P. Barria , L. Benussi , V. Bhopatkar , S. Bianco , J. Bos , O. Bouhali , S. Braibant , S. Buontempo , C. Calabria , M. Caponero , C. Caputo , F. Cassese , A. Castaneda , S. Cauwenbergh , F. R. Cavallo , A. Celik , M. Choi , K. Choi , S. Choi , J. Christiansen , A. Cimmino , S. Colafranceschi , A. Colaleo , A. Conde Garcia , M. M. Dabrowski , G. De Lentdecker , R. De Oliveira , G. de Robertis , S. Dildick , B. Dorney , W. Elmetenawee , G. Fabrice , M. Ferrini , S. Ferry , P. Giacomelli , J. Gilmore , L. Guiducci , A. Gutierrez , R. M. Hadjiiska , A. Hassan , J. Hauser , K. Hoepfner , M. Hohlmann , H. Hoorani , Y. G. Jeng , T. Kamon , P. E. Karchin , H. S. Kim , S. Krutelyov , A. Kumar , J. Lee , T. Lenzi , L. Litov , F. Loddo , T. Maerschalk , G. Magazzu , M. Maggi , Y. Maghrbi , A. Magnani , N. Majumdar , P. K. Mal , K. Mandal , A. Marchioro , A. Marinov , J. A. Merlin , A. K. Mohanty , A. Mohapatra , S. Muhammad , S. Mukhopadhyay , M. Naimuddin , S. Nuzzo , E. Oliveri , L. M. Pant , P. Paolucci , I. Park , G. Passeggio , B. Pavlov , B. Philipps , M. Phipps , D. Piccolo , H. Postema , G. Pugliese , A. Puig Baranac , A. Radi , R. Radogna , G. Raffone , S. Ramkrishna , A. Ranieri , C. Riccardi , A. Rodrigues , L. Ropelewski , S. RoyChowdhury , M. S. Ryu , G. Ryu , A. Safonov , A. Sakharov , S. Salva , G. Saviano , A. Sharma , S. K. Swain , J. P. Talvitie , C. Tamma , A. Tatarinov , N. Turini , T. Tuuva , J. Twigger , M. Tytgat , I. Vai , M. van Stenis , R. Venditi , E. Verhagen , P. Verwilligen , P. Vitulo , D. Wang , M. Wang , U. Yang , Y. Yang , R. Yonamine , N. Zaganidis , F. Zenoni , A. Zhang

The High Luminosity upgrade of the CERN Large Hadron Collider (HL-LHC) requires new high-radiation tolerant silicon pixel sensors for the innermost part of the tracking detector in the CMS experiment. The innermost layer of the tracker,…

High Energy Physics - Experiment · Physics 2025-02-11 Clara Lasaosa

We report on a technique developed to diagnostic for non working readout channels of the Transition Radiation Tracker (TRT), one of the three inner detectors of the ATLAS experiment. From a detailled study, we show that 99.6 % of the…

Instrumentation and Detectors · Physics 2007-05-23 N. Ghodbane , X. Pons , O. M. Rohne

We report a 4.8 sigma detection of water absorption features in the day side spectrum of the hot Jupiter HD 189733 b. We used high-resolution (R~100,000) spectra taken at 3.2 microns with CRIRES on the VLT to trace the radial-velocity shift…

Earth and Planetary Astrophysics · Physics 2015-06-16 J. L. Birkby , R. J. de Kok , M. Brogi , E. J. W. de Mooij , H. Schwarz , S. Albrecht , I. A. G. Snellen

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

For the muon spectrometer of the ATLAS detector at the large hadron collider (LHC), large drift chambers consisting of 6 to 8 layers of pressurized drift tubes are used for precision tracking covering an active area of 5000 m2 in the…

Instrumentation and Detectors · Physics 2016-10-04 M. Deile , H. Dietl , J. Dubbert , S. Horvat , O. Kortner , H. Kroha , A. Manz , S. Mohrdieck , F. Rauscher , R. Richter , A. Staude

For most physical processes the tracks observed in the muon stations must be matched with the corresponding tracks in the inner tracker, the external muon system providing muon identification and triggering but the tracker points giving the…

High Energy Physics - Experiment · Physics 2016-08-31 A. Benvenuti , D. Denegri , V. Genchev , A. Khanov , N. Stepanov , P. Vankov

While steady empirical progress has been made in understanding the structure and composition of hot planet atmospheres, direct measurements of velocity signatures, including winds, rotation, and jets, have lagged behind. Quantifying…

Earth and Planetary Astrophysics · Physics 2021-03-03 P. Wilson Cauley , Ji Wang , Evgenya L. Shkolnik , Ilya Ilyin , Klaus G. Strassmeier , Seth Redfield , Adam Jensen

X-ray Hybrid CMOS Detectors (HCDs) have advantages over X-ray CCDs due to their higher readout rate abilities, flexible readout, inherent radiation hardness, and low power, which make them more suitable for the next generation large area…

Sensitivities of current directional dark matter search detectors using gas time projection chambers are now constrained by target mass. A ton-scale gas TPC detector will require large charge readout areas. We present a first demonstration…

Instrumentation and Detectors · Physics 2020-11-24 A. C. Ezeribe , C. Eldridge , W. Lynch , R. R. Marcelo Gregorio , A. Scarff , N. J. C. Spooner

Several improvements to the ATLAS triggers used to identify jets containing $b$-hadrons ($b$-jets) were implemented for data-taking during Run 2 of the Large Hadron Collider from 2016 to 2018. These changes include reconfiguring the $b$-jet…

High Energy Physics - Experiment · Physics 2024-11-22 ATLAS Collaboration

The performance of a scintillating fiber detector prototype for tracking under high rate conditions is investigated. A spatial resolution of about100 micron is aimed for the detector. Further demands are low occupancy and radiation hardness…

High Energy Physics - Experiment · Physics 2007-05-23 E. C. Aschenauer , J. Baehr , V. Gapienko , B. Hoffmann , A. Kharchilava , H. Luedecke , R. Nahnhauer , R. Shanidze