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The tracking system of the CMS experiment, currently under construction at the Large Hadron Collider (LHC) at CERN (Geneva, Switzerland), will include a silicon pixel detector providing three spacial measurements in its final configuration…

Small-diameter muon drift tube (sMDT) chambers are a cost-effective technology for high-precision muon tracking. The rate capability of the sMDT chambers has been extensively tested at the Gamma Irradiation Facility at CERN in view of…

Instrumentation and Detectors · Physics 2016-11-15 Oliver Kortner , Hubert Kroha , Felix Müller , Sebastian Nowak , Robert Richter

The electronics used in the data readout and triggering system for the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC) particle accelerator at CERN are exposed to high radiation levels. This radiation can cause…

Operating the CMS Level-1 trigger under the intense conditions of the High-Luminosity Large Hadron Collider -- with approximately 63~Tb/s of input and a fixed 12.5~$\mu$s latency -- poses a demanding real-time reconstruction challenge. The…

High Energy Physics - Experiment · Physics 2025-09-30 Pelayo Leguina , Santiago Folgueras , Andrea Cardini , Elena Aller

At the High Luminosity LHC (HL-LHC), the CMS experiment will need to operate at up to 200 interactions per 25 ns beam crossing time and with up to 4000 fb-1 of integrated luminosity. To achieve the physics goals the experiment needs to…

Instrumentation and Detectors · Physics 2022-12-21 A. La Rosa , I. Ahmed , J. Almeida , G. Blanchot , S. Cooperstein , I. Dominguez , A. Honma , M. Kovacs , A. Zografos

Muon Tomography based on the measurement of multiple scattering of atmospheric cosmic ray muons in matter is a promising technique for detecting heavily shielded high-Z radioactive materials (U, Pu) in cargo or vehicles. The technique uses…

Instrumentation and Detectors · Physics 2015-11-26 Kondo Gnanvo , Leonard V. Grasso , Marcus Hohlmann , Judson B. Locke , Amilkar S. Quintero , Debasis Mitra

Highly selective first-level triggers are essential to exploit the full physics potential of the ATLAS experiment at High-Luminosity LHC (HL-LHC). The concept for a new muon trigger stage using the precision monitored drift tube (MDT)…

Instrumentation and Detectors · Physics 2016-11-15 P. Gadow , O. Kortner , S. Kortner , H. Kroha , F. Müller , R. Richter

The High-Luminosity Large Hadron Collider (HL-LHC) is designed to achieve higher instantaneous luminosities, enabling the exploration of the rarest processes of the Standard Model (SM). The CMS collaboration has published an Expression of…

High Energy Physics - Experiment · Physics 2024-02-22 Michael Pitt

We are developing a new photon detector with micro pattern gaseous detectors. A semitransparent CsI photocathode is combined with 10cm$\times$10cm GEM/$\mu$PIC for the first prototype which is aimed for the large liquid Xe detectors. Using…

Astrophysics · Physics 2013-03-20 H. Sekiya

The Gas Electron Multiplier (GEM) has become a widely used technology for high-rate particle physics experiments like COMPASS, LHCb and are being used as the readout system for the upcoming upgrade version of other experiments such as ALICE…

Instrumentation and Detectors · Physics 2021-05-26 Promita Roy , Purba Bhattacharya , Supratik Mukhopadhyay , Nayana Majumdar

In recent years, the progress on low temperature detector technologies has allowed design of large scale experiments aiming at pushing down the sensitivity on the neutrino mass below 1\,eV. Even with outstanding performances in both energy…

A Time Projection Chamber (TPC) using micro-pattern gas detectors is planned as the main tracking device for a detector at the next Linear Collider. A novel support structure for Gas Electron Multipliers (GEMs), which minimizes the material…

Instrumentation and Detectors · Physics 2015-06-17 T. Behnke , F. Müller , A. Münnich , K. Zenker

The Gaseous Electron Multiplier-based Time Projection Chamber (GEM-TPC) in TWIN configuration for particle tracking has been consolidated after extensive investigations in different facilities to study its tracking performance. The most…

The Large Hadron Collider (LHC) at CERN will undergo an upgrade in order to increase its luminosity to $7.5 \times 10^{34}$ cm$^{-2}$s$^{-1}$. The increased luminosity during this High-Luminosity running phase (HL-LHC), starting around…

Instrumentation and Detectors · Physics 2023-09-04 The Tracker Group of the CMS Collaboration

The High Luminosity Large Hadron Collider (HL-LHC) at CERN is expected to collide protons at a center-of-mass energy of 14 TeV and to reach the unprecedented peak instantaneous luminosity of $7.5 \times 10^{34} \text{cm}^{-2} \text{s}^{-1}$…

Instrumentation and Detectors · Physics 2023-01-26 Sascha Liechti

ATLAS muon detector upgrades aim for increased acceptance for muon triggering and precision tracking and for improved rate capability of the muon chambers in the high-background regions of the detector with increasing LHC luminosity. The…

Instrumentation and Detectors · Physics 2017-03-08 Hubert Kroha , Oliver Kortner , Korbinian Schmidt-Sommerfeld , Eric Takasugi

The characteristics of triple GEM detectors have been studied systematically by using cosmic ray muons. The minimum ionizing particle (MIP) spectra has been taken for different GEM voltage setting. Efficiency of GEM detector has been…

Instrumentation and Detectors · Physics 2015-06-17 S. Biswas , D. J. Schmidt , A. Abuhoza , U. Frankenfeld , C. Garabatos , J. Hehner , V. Kleipa , T. Morhardt , C. J. Schmidt , H. R. Schmidt , J. Wiechula

New Micromegas (Micro-mesh gaseous detectors) are being developed in view of the future physics projects planned by the COMPASS collaboration at CERN. Several major upgrades compared to present detectors are being studied: detectors…

We discuss a CMS eXtension for Studying Energetic Neutrinos (CMS-XSEN). Neutrinos at the LHC are abundant and have unique features: their energies reach out to the TeV range, and the contribution of the {\tau} flavour is sizeable. The…

Instrumentation and Detectors · Physics 2018-04-13 S. Buontempo , G. M. Dallavalle , G. De Lellis , D. Lazic , F. L. Navarria

We report on the performance evaluation of a prototype muon trigger detector for the PSI muEDM experiment, conducted as a proof-of-principle test at the $\pi$E1 beamline of the Paul Scherrer Institute (PSI) using \SI{27.5}{MeV/c} muons. The…