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2026-02-20
06:25
Primary vertex time reconstruction using the LHCb RICH detectors / Keizer, F (CERN) ; Malentacca, L (CERN ; Milan Bicocca U.) ; Upadhyay, A (CERN ; Geneva U.) /LHCb RICH Collaboration
The LHCb RICH detectors will introduce timing information O(100 ps) for each detected photon during LHC Run 4. Using the RICH time information, the primary vertex time (PV t0) can be estimated for the first time in LHCb, which is a key input parameter for exploiting fast-timing techniques in the experiment. [...]
2026 - 6 p. - Published in : 10.1016/j.nima.2026.171329 Fulltext: PDF; External link: Fulltext

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2026-02-19
15:40
HL-LHC Crab Cavity High Power RF Specifications / Hagmann, Gregoire (CERN) ; Baudrenghien, Philippe ; Mastoridis, Themistoklis (California Polytechnic State Univ. University (US))
The High-Luminosity LHC will employ crab cavities to increase luminosity. [...]
CERN-ACC-NOTE-2026-0002. - 2026
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2026-01-28
14:18
Interplay Between the LHC and a Linear Collider / de Roeck, Albert (CERN)
2004 - 63.
Link to slides - Full text

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2025-12-10
17:34
The ATLAS Experiment in 2025: Exploration, Innovation and Collaboration at CERN’s Large Hadron Collider
A year-end brochure providing an overview of the ATLAS Experiment in 2025, highlighting major milestones in operations, physics results, upgrade progress, and collaboration activities..
ATLAS-OUTREACH-2025-015. - 2025
Language: English

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2025-11-15
09:01
Design and Construction of the CMS Outer Tracker for the Phase-2 Upgrade / Zoi, Irene (Fermilab) /CMS Collaboration
The High Luminosity LHC (HL-LHC) is expected to deliver an integrated luminosity of 3000-4000~fb$^{-1}$ after 10 years of operation with peak instantaneous luminosity reaching about 5-7.5$\times10^{34}$cm$^{-2}$s$^{-1}$. During Long Shutdown 3, several components of the CMS detector will undergo major changes, called Phase-2 upgrades, to be able to operate in the challenging environment of the HL-LHC. [...]
FERMILAB-SLIDES-25-0022-CMS.- 2025 - 38 p. - Published in : 10.2172/2551826 Fulltext: PDF; External link: Fermilab Library Server
In : 17th Vienna Conference on Instrumentation (VCI2025), Vienna, Austria, 17 - 21 Feb 2025

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2025-11-13
07:10
Beam Test Characterization of an Irradiated Pixel-Strip Module for HL_LHC CMS Tracker Upgrade / Sohail, Iqra (CERN) /CMS Collaboration
A new tracker, for the CMS detector at The Large Hadron Collider, will be built to address the demands of the High Luminosity upgrade which aims to achieve peak instantaneous luminosities from 5 up to 7.5 10^34 cm^-2 s^-1 and an integrated luminosity of 3000 4000 fb^-1 at a center of mass energy of 14 TeV. To meet the resulting challenges, the CMS experiment is changing its outer tracker silicon modules to include tracking capabilities at the Level-1 trigger. [...]
FERMILAB-POSTER-25-0001-CMS.- 2025 - 1 p. - Published in : 10.2172/2563143 Fulltext: PDF; External link: Fermilab Library Server
In : 17th Vienna Conference on Instrumentation (VCI2025), Vienna, Austria, 17 - 21 Feb 2025

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2025-09-26
15:15
Chamonix Workshop 2025 Summary / Carra, Federico (CERN) ; Charitonidis, Nikolaos (CERN) ; Papotti, Giulia (CERN) ; Sterbini, Guido (CERN)
The Chamonix Workshop 2025 took place from 27 to 30 January 2025 in the "Majestic" conference centre in Chamonix. [...]
CERN-ACC-NOTE-2025-0019. - 2025 - 68.
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2025-09-26
12:45
Shutter-type multi-point optical alignment using a Structured Laser Beam in vacuum / Niewiem, Witold Grzegorz (ETH, Zurich (main) ; CERN) ; Figura, Sebastian Antoni (CERN) ; Dusek, Martin (Liberec Tech. U. ; CERN) ; Mergelkuhl, Dirk (CERN) ; Gayde, Jean-Christophe (CERN) ; Wieser, Andreas (ETH, Zurich (main))
This paper presents an alignment concept employing a Structured Laser Beam (SLB) for offset measurements over a 140 m distance. The prototype consists of an SLB generator and three measurement stations within a vacuum system. [...]
CERN-ACC-2025-0003.- Geneva : CERN, 2025 - 19 p. - Published in : JINST 20 (2025) P07001 Fulltext: PDF;

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2025-09-05
10:32
Chromaticity measurement in physics conditions with BTF and ADT-AC dipole (MD13463) / Buffat, Xavier (CERN) ; Giacomel, Lorenzo ; Mounet, Nicolas (CERN) ; Paraschou, Konstantinos ; Trad, Georges (CERN) ; Valuch, Daniel (CERN)
The result of an experiment demonstrating the readiness of the tools put in place to measure chromaticity through beam transfer function measurement on a single bunch while the full physics beam is circulating is presented. [...]
CERN-ACC-2025-0002. - 2025 - 8.
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2025-09-04
11:10
An Interferometric Multi-Sensor Absolute Distance Measurement System for Use in Harsh Environments / Sosin, Mateusz (CERN) ; Gonzalez Cobas, Juan David (CERN) ; Mohammed, Isa (Nottingham U.) ; Leach, Richard (Nottingham U.) ; Lipinski, Maciej Marek (CERN) ; Rude, Vivien (CERN) ; Rutkowski, Jaroslaw Marek ; Watrelot, Leonard
Fourier transform-based frequency sweeping interferometry (FT-FSI) is an interferometric technique that enables absolute distance measurement by detecting the beat frequencies from the interference of reflected signals. [...]
CERN-ACC-NOTE-2025-0017. - 2025 - 33.
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High Luminosity Large Hadron Collider (HL-LHC) (1,237)
HiLumi LHC (264)