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Related papers: Optical Links for ATLAS Liquid Argon Calorimeter F…

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Tau leptons play an important role in the physics program in ATLAS. They can be used not only in searches for new phenomena like the Higgs boson or Supersymmetry, or for electroweak measurements but also in detector related studies like the…

High Energy Physics - Experiment · Physics 2019-08-13 Stan Lai

We have developed two radiation-hard ASICs for optical data transmission in the ATLAS pixel detector at the LHC at CERN: a driver chip for a Vertical Cavity Surface Emitting Laser (VCSEL) diode for 80 Mbit/s data transmission from the…

After the successful LHC operation at the center-of-mass energies of 7 and 8 TeV in 2010-2012, plans are actively advancing for a series of upgrades of the accelerator, culminating roughly ten years from now in the high-luminosity LHC…

Instrumentation and Detectors · Physics 2014-08-29 Walter Hopkins

High voltage breakdown in liquid argon is an important concern in the design of liquid argon time projection chambers, which are often used as neutrino and dark matter detectors. We have made systematic measurements of breakdown voltages in…

Instrumentation and Detectors · Physics 2016-04-13 Sarah Lockwitz , Hans Jostlein

The Transition Radiation Tracker is a combined tracking and electron identification detector, which is part of the ATLAS Inner Detector at the CERN LHC. Tracking is carried out by drift tubes, while the interleaved radiators produce…

High Energy Physics - Experiment · Physics 2019-08-14 V. A. Mitsou

The LHC experiments are close to collecting collision data. An overview of first physics measurements of the W and Z production cross-sections is presented. The electron and muon decay channels are considered. Emphasis will be given to…

High Energy Physics - Experiment · Physics 2019-08-13 Damien Prieur

Particle detectors based on liquid argon (LAr) have recently become recognized as an extremely attractive technology for the direct detection of dark matter as well as the measurement of coherent elastic neutrino-nucleus scattering…

Instrumentation and Detectors · Physics 2020-06-03 Cong Guo , Mengyun Guan , Xilei Sun , Weixing Xiong , Peng Zhang , Changgen yang

We present first results from the ATLAS Zero Degree Calorimeters (ZDC) based on 7~TeV pp collision data recorded in 2010. The ZDC coverage of +/-~350 microradians about the forward direction makes possible the measurement of neutral…

High Energy Physics - Experiment · Physics 2015-03-17 Sebastian N. White

The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. The TileCal readout consists of about 10000 channels. The ATLAS upgrade program is divided in three phases: The…

Instrumentation and Detectors · Physics 2013-05-07 A. S. Cerqueira

The ionization probes used for monitoring the liquid argon purity in the H1 calorimeter are described and results of their operation in tests at CERN and during the period 1992 to the end of 1998 at HERA are given. The high sensitivity of…

High Energy Physics - Experiment · Physics 2015-06-25 H1 Calorimeter Group , E. Barrelet

While the CMS experiment is currently harvesting LHC collision data at CERN, the performance of its electromagnetic calorimeter (ECAL) is being constantly monitored, and work has started to assess the need for changes to the detector to…

Instrumentation and Detectors · Physics 2019-08-13 Francesca Nessi Tedaldi

Liquid argon time projection chambers have emerged as a competitive technology for detecting solar neutrinos. The SoLAr collaboration was formed to explore argon detectors with pixelated light and charge readout, aiming for high detection…

During summer 2004, a testbeam for the ATLAS experiment was performed at CERN. A full slice of the ATLAS detector was tested with the final version of the acquisition electronics. In the talk presented at Calor06 conference, the ATLAS…

Instrumentation and Detectors · Physics 2009-11-13 V. Giangiobbe

In high-granularity calorimetry, as proposed for detectors at future Higgs factories, the requirements on electronics can have a strong impact on the design of the detector, especially via the cooling and acquisition systems. This project…

High Energy Physics - Experiment · Physics 2024-03-12 Khalid Hassouna , Vincent Boudry

ATLAS LAr calorimeter will perform its Phase-I upgrade during the long shut down (LS2) in 2018, a new LAr Trigger Digitizer Board (LTDB) will be designed and installed. Several commercial-off-the-shelf (COTS) multichannel high-speed ADCs…

Instrumentation and Detectors · Physics 2016-11-23 Hongbin Liu , Hucheng Chen , Kai Chen , James Kierstead , Francesco Lanni , Helio Takai , Ge Jin

We have developed two radiation-hard ASICs for optical data transmission in the ATLAS pixel detector at the LHC at CERN: a driver chip for a Vertical Cavity Surface Emitting Laser (VCSEL) diode for 80 Mbit/s data transmission from the…

Instrumentation and Detectors · Physics 2009-11-10 K. K. Gan

The importance of laser guide stars to the practical usefulness of adaptive optics cannot be understated, and yet there are very few working systems. This contribution discusses the current status of the ALFA laser guide star, with regard…

Astrophysics · Physics 2007-05-23 R. Davies , A. Eckart , W. Hackenberg , T. Ott , D. Butler , M. Kasper , A. Quirrenbach

We have been developing a serializer application-specific integrated circuit (ASIC) based on a commercial 0.25-{\mu}m silicon-on-sapphire (SOS) CMOS technology for the ATLAS liquid argon calorimeter front-end electronics upgrade. The first…

Instrumentation and Detectors · Physics 2022-02-11 Tiankuan Liua

In this White Paper for the 2021 Snowmass process, we detail the status and prospects for dual-readout calorimetry. While all calorimeters allow estimation of energy depositions in their active material, dual-readout calorimeters aim to…

The prevalent use of large volume liquid argon detectors strongly motivates the development of novel readout and monitoring technology which functions at cryogenic temperatures. This paper presents the development of a cryogenic CMOS camera…

Instrumentation and Detectors · Physics 2017-04-05 Nicola McConkey , Neil Spooner , Matthew Thiesse , Michael Wallbank , Thomas Karl Warburton
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