CERN Accelerating science

CERN Document Server 514,983 records found  1 - 10nextend  jump to record: Search took 0.69 seconds. 
1.
Operation and performance of the CMS silicon strip tracker with proton-proton collisions at the CERN LHC
Salient aspects of the commissioning, calibration, and performance of the CMS silicon strip tracker are discussed, drawing on experience during operation with proton-proton collisions delivered by the CERN LHC. [...]
CERN-EP-2025-036 ; CMS-TRK-20-002-003.
- 2025
Additional information for the analysis - CMS AuthorList - Fulltext
2.
Analysis and Grading of the Test Performance of PS Modules for the CMS Phase-II Outer Tracker Upgrade / Riggall, Caroline (Tennessee U.) ; Uplegger, Lorenzo (Fermilab)
The Outer Tracker detector of the Compact Muon Solenoid (CMS) experiment provides information about the trajectory of charged particles produced in proton-proton collisions at the Large Hadron Collider (LHC). [...]
FERMILAB-FN-1261-CMS-STUDENT.
- 9.
Fermilab Library Server - Fulltext
3.
CMS iRPC clustering algorithm and hit reconstruction / CMS Muon Collaboration
One of the upgrades of the CMS RPC system is the installation of new chambers – the improved Resistive Plate Chambers – with a new readout technology, achieving a space resolution along the strip of about 2 cm, enabling the inclusion of the RPC hit in the CMS muon reconstruction. The main characteristic of the improved RPC is the two side strip readout which makes a new clusterization algorithm necessary. [...]
2025 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1080 (2025) 170579
4.
Development of POTATO for 2S Module Grading for the CMS Phase-2 Outer Tracker Upgrade / Klupshas, Anna (Purdue U.) ; Ravera, Fabio (Fermilab)
Due to the High Luminosity-Large Hadron Collider (HL-LHC) upgrade, several detectors of the Compact Muon Solenoid (CMS) will need to be upgraded, specifically the new Outer Tracker detector that will be composed of 13,200 silicon modules. [...]
FERMILAB-FN-1262-STUDENT.
- 6.
Fermilab Library Server - Fulltext
5.
Puncturing Quantum Stabilizer Codes / Gundersen, Jaron Skovsted (CERN ; Aalborg U.) ; Christensen, René Bødker (Aalborg U.) ; Grassl, Markus (Gdansk U.) ; Popovski, Petar (CERN ; Aalborg U.) ; Wisniewski, Rafał (CERN ; Aalborg U.)
Classical coding theory contains several techniques to obtain new codes from other codes, including puncturing and shortening. For quantum codes, a form of puncturing is known, but its description is based on the code space rather than its generators. [...]
arXiv:2410.17754.- 2025 - 11 p. - Published in : IEEE J. Sel. Areas Inf. Theory 6 (2025) 74-84 Fulltext: PDF;
6.
Hessian-free force-gradient integrators / Schäfers, Kevin (Bergische U., Wuppertal (main)) ; Finkenrath, Jacob (Bergische U., Wuppertal (main) ; CERN) ; Günther, Michael (Bergische U., Wuppertal (main)) ; Knechtli, Francesco (Bergische U., Wuppertal (main))
We propose a new framework of Hessian-free force-gradient integrators that do not require the analytical expression of the force-gradient term based on the Hessian of the potential. Due to that the new class of decomposition algorithms for separable Hamiltonian systems with quadratic kinetic energy may be particularly useful when applied to Hamiltonian systems where an evaluation of the Hessian is significantly more expensive than an evaluation of its gradient, e.g. [...]
arXiv:2403.10370.- 2024-12-24 - 21 p. Fulltext: 2403.10370 - PDF; document - PDF;
7.
Optimization using pathwise algorithmic derivatives of electromagnetic shower simulations / Aehle, Max (Unlisted, DE) ; Novák, Mihály (CERN) ; Vassilev, Vassil (Princeton U.) ; Gauger, Nicolas R. (Unlisted, DE) ; Heinrich, Lukas (Tech. U., Munich (main)) ; Kagan, Michael (SLAC) ; Lange, David (Tech. U., Munich (main))
Among the well-known methods to approximate derivatives of expectancies computed by Monte-Carlo simulations, averages of pathwise derivatives are often the easiest one to apply. Computing them via algorithmic differentiation typically does not require major manual analysis and rewriting of the code, even for very complex programs like simulations of particle-detector interactions in high-energy physics. [...]
arXiv:2405.07944.- 2024-12-30 - 10 p. - Published in : Comput. Phys. Commun. 309 (2025) 109491 Fulltext: publication - PDF; 2405.07944 - PDF;
8.
Department Head Nomination Process for 2026–2030 / Thomson, Mark (CERN)
This document is the process for the department head nominations for the new mandate 2026-2030..
CERN-HR-Note-2025-008.
- 2025
Full text - Full text
9.
VN template - 2025 / Kimpezi, Maria (CERN)
Vacancy notice template for LD openings
CERN-HR-Note-2025-007.
- 2025
Access to fulltext
10.
Search for the lepton-flavour-violating decays $B^0 \to K^{*0} τ^\pm e^\mp$ / LHCb Collaboration
A first search for the lepton-flavour-violating decays $B^0\to K^{*0}τ^\pm e^\mp$ is presented. [...]
arXiv:2506.15347 ; LHCb-PAPER-2025-005 ; CERN-EP-2025-107.
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Fulltext

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