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The ALEPH Silicon Vertex Detector features an optical fibre laser system to monitor its mechanical stability. The operating principle and the general performance of the laser system are described. The experience obtained during 1997 and…

Instrumentation and Detectors · Physics 2019-08-14 G. Sguazzoni

The BABAR Silicon Vertex Tracker (SVT) is a five-layer double-sided silicon detector designed to provide precise measurements of the position and direction of primary tracks, and to fully reconstruct low-momentum tracks produced in e+e-…

Instrumentation and Detectors · Physics 2010-11-11 D. N. Brown , A. V. Gritsan , Z. J. Guo , D. Roberts

The laser alignment system of the ZEUS microvertex detector is described. The detector was installed in 2001 as part of an upgrade programme in preparation for the second phase of electron-proton physics at the HERA collider. The alignment…

Instrumentation and Detectors · Physics 2008-08-07 K. Korcsak-Gorzo , G. Grzelak , K. Oliver , M. Dawson , R. Devenish , J. Ferrando , T. Matsushita , P. Shield , R. Walczak

ALEPH and DELPHI were the first experiments operating a silicon vertex detector at LEP. During the past 10 years of data taking the DELPHI Silicon Tracker was upgraded three times to follow the different tracking requirements for LEP 1 and…

High Energy Physics - Experiment · Physics 2014-11-17 Markus Elsing

LHCb is one of the four main experiments of the Large Hadron Collider (LHC) project, which will start at CERN in 2008. The experiment is primarily dedicated to B-Physics and hence requires precise vertex reconstruction. The silicon vertex…

Instrumentation and Detectors · Physics 2008-11-26 S. Viret , C. Parkes , M. Gersabeck

In this contribution we discuss how to prepare some possible detectors - only silicon option being considered, for the new era of HEP challenges because the bulk displacement damage in the detector, consequence of irradiation, produces…

Instrumentation and Detectors · Physics 2017-08-23 Ionel Lazanu , Sorina Lazanu

Cyber-physical systems (CPSs) use learning-enabled components (LECs) extensively to cope with various complex tasks under high-uncertainty environments. However, the dataset shifts between the training and testing phase may lead the LECs to…

Machine Learning · Computer Science 2021-04-15 Feiyang Cai , Ali I. Ozdagli , Xenofon Koutsoukos

Semiconductor lasers have been rapidly evolving to meet the demands of next-generation optical networks. This imposes much more stringent requirements on the laser reliability, which are dominated by degradation mechanisms (e.g., sudden…

Machine Learning · Computer Science 2022-11-08 Khouloud Abdelli , Helmut Griesser , Christian Neumeyr , Robert Hohenleitner , Stephan Pachnicke

This thesis presents the work carried out in the testing of the ATLAS Phase-II Upgrade electronic systems in the future strips tracker after 2023, to be installed for operations in the HL-LHC period. The high luminosity and number of…

Instrumentation and Detectors · Physics 2017-07-27 Carlos García-Argos

As mobile robot capabilities improve and deployment times increase, tools to analyze the growing volume of data are becoming necessary. Current state-of-the-art logging, playback, and exploration systems are insufficient for practitioners…

Robotics · Computer Science 2020-08-03 Samer B. Nashed

Deep inelastic electron-photon scattering is studied in the Q**2 range from 1.2 to 30 GeV**2 using the LEP1 data taken with the ALEPH, L3 and OPAL detectors at centre-of-mass energies close to the mass of the Z boson. Distributions of the…

High Energy Physics - Experiment · Physics 2012-08-27 ALEPH Collaboration , L3 Collaboration , OPAL Collaboration , LEP Two Photon Working Group

The bulk displacement damage in the detector, produces effects at the device level that limits the long time utilisation of detectors as position sensitive devices and thus the lifetime of detector systems. So, the prediction of time…

Instrumentation and Detectors · Physics 2007-05-23 Sorina Lazanu , Ionel Lazanu

A new type of laser photodetachment (LPD) technique has been developed for the measurement of electron sheath thickness around an electrostatic probe and for the measurement of the length of collection region of photodetached electrons…

There exists an enormous interest for the study of very high energy domain in particle physics, both theoretically and experimentally, in the aim to construct a general theory of the fundamental constituents of matter and of their…

Instrumentation and Detectors · Physics 2007-05-23 I. Lazanu , S. Lazanu

Between Run II commissioning in early 2001 and the end of operations in September 2011, the Tevatron collider delivered 12~fb$^{-1}$ of $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV to the Collider Detector at Fermilab (CDF). During that…

Instrumentation and Detectors · Physics 2015-06-18 M. Stancari , K. Knoepfel , S. Behari , D. Christian , B. Di Ruzza , S. Jindariani , T. R. Junk , M. Mattson , A. Mitra , M. N. Mondragon , A. Sukhanov

The performance of the ATLAS Inner Detector alignment has been studied using $pp$ collision data at $\sqrt{s} = 13$ TeV collected by the ATLAS experiment during Run 2 (2015 to 2018) of the Large Hadron Collider (LHC). The goal of the…

High Energy Physics - Experiment · Physics 2021-01-05 ATLAS Collaboration

Because scanning-LIDAR sensors require finite time to create a point cloud, sensor motion during a scan warps the resulting image, a phenomenon known as motion distortion or rolling shutter. Motion-distortion correction methods exist, but…

Robotics · Computer Science 2024-01-11 Matthew McDermott , Jason Rife

The technology of Silicon Drift Detectors (SDDs) has been selected for the two instruments aboard the Large Observatory For X-ray Timing (LOFT) space mission. LOFT underwent a three year long assessment phase as candidate for the M3 launch…

Instrumentation and Detectors · Physics 2015-05-20 E. Del Monte , Y. Evangelista , E. Bozzo , F. Cadoux , A. Rachevski , G. Zampa , N. Zampa , M. Feroci , M. Pohl , A. Vacchi

The Upgrade II of the LHCb detector, foreseen for 2031, will operate at an instantaneous luminosity of 1.5 x 10$^{34}$ cm$^{-2}$s$^{-1}$, accumulating a sample of more than 300 fb$^{-1}$. To cope with the estimated pile-up of 42 and 200…

Instrumentation and Detectors · Physics 2023-05-12 Evangelos Leonidas Gkougkousis
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