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2026-02-24
13:12
The evolution of the CMS Computing model towards the HL-LHC / Perez-Calero Yzquierdo, Antonio Maria (Madrid, CIEMAT) /CMS Collaboration
With the approaching High Luminosity phase of the LHC programme (HL-LHC), scheduled to start in 2030, the Offline Software and Computing group of the CMS collaboration is reviewing the experiment's Computing Model to ensure its readiness for the computing challenges the HL-LHC poses. An in-depth revision of the current model, tools, and practices is being carried out, along with a roadmap of R\&D; activities to evolve them. [...]
CMS-CR-2025-279.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, France, 7 - 11 Jul 2025

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2026-02-24
13:12
Advanced Algorithms for 4D Vertex Reconstruction with the MIP Timing Detector at the HL-LHC in CMS / Raffaele Delli Gatti /CMS Collaboration
The High-Luminosity phase of the Large Hadron Collider (HL-LHC) will pose significant challenges to primary vertex reconstruction, which is crucial for many physics analyses, due to the substantial increase of pileup in collisions. To mitigate this effect, the upgraded CMS experiment will include the MIP Timing Detector (MTD) to measure the time of arrival of charged particles with a time resolution of 30-60 picoseconds. [...]
CMS-CR-2025-140.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : Incontri di Fisica delle Alte Energie, Cagliari, 9 - 11 April

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2026-02-24
13:12
Progress in the use of the MIP timing detector for event reconstruction at HL-LHC in CMS / Raffaele Delli Gatti /CMS Collaboration
The High-Luminosity LHC project aims to increase the luminosity above the design value of the LHC starting from 2030. Due to the higher collision rate, the CMS detector will require a significant upgrade; a key addition will be the MTD, a new sub-detector designed to measure minimum ionizing particles (MIPs) with a time resolution of 30-60 picoseconds. The expected increase in pileup events will impact the detectors' performance in reconstructing collision events. [...]
CMS-CR-2025-006.- Geneva : CERN, 2025 - 5 p. Fulltext: PDF;
In : 110th Congresso Nazionale della Societa Italiana di Fisica (SIF 2024), Rome, Italy, 11-13 Sep 2024

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2026-02-24
13:12
Muon Tracking at the CMS High-Level Trigger for the HL-LHC Upgrade / Ferragina, Luca (INFN, Bologna ; Bologna U.) /CMS Collaboration
The High-Luminosity Upgrade for the LHC is rapidly approaching and the CMS experiment will fundamentally change to take advantage of the new physics possibilities offered by the collider's upgrade. In this context, the event reconstruction, both offline and at the High-Level Trigger (HLT), is undergoing significant development to fully exploit the detectors' upgrades while aiming to maintain remarkable performance under harsh data-taking conditions: roughly 200 proton-proton collisions take place at every HL-LHC bunch crossing. [...]
CMS-CR-2026-012.- Geneva : CERN, 2026 - 10 p. Fulltext: PDF;
In : Connecting of The Dots 2025, Tokyo, Jp, 10 - 14 Nov 2025

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2026-02-24
09:57
Combined measurements and interpretations of Higgs boson production and decay in proton-proton collisions at $ \sqrt{s}= $ 13 TeV
Combined measurements of Higgs boson production and decay rates are reported, representing the most comprehensive study performed by the CMS Collaboration to date. [...]
CERN-EP-2026-009 ; CMS-HIG-21-018-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext

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2026-02-24
04:15
The Four-Jet Rate in Electron-Positron Annihilation at Order $α_s^4$ / Chen, Xuan (Shandong U.) ; Chicherin, Dmitry (Annecy, LAPTH) ; Fox, Elliot (Durham U., IPPP) ; Glover, Nigel (Durham U., IPPP ; CERN) ; Marcoli, Matteo (Durham U., IPPP) ; Sotnikov, Vasily (Zurich U.) ; Sun, Huiting (Shandong U.) ; Zhang, Hantian (CERN) ; Zoia, Simone (Zurich U.)
We compute for the first time the production rate for four jets in electron-positron annihilation at next-to-next-to-leading order. [...]
CERN-TH-2026-017 ; IPPP/26/12 ; ZU-TH 04/26 ; LAPTH-007/26 ; arXiv:2602.18185. -
Fulltext

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2026-02-23
16:08
Search for a new resonance decaying to a Higgs boson and a scalar boson in events with two b jets and two Z bosons in proton-proton collisions at $ \sqrt{s}= $ 13 TeV
A search is performed for a new resonance $ \mathrm{X} $ decaying into either a pair of Higgs bosons (HH) or into a Higgs boson and a new scalar boson $\mathrm{Y}$ ($ \mathrm{HY} $), using proton-proton collision data collected at $ \sqrt{s}= $ 13 TeV, corresponding to an integrated luminosity of 138 fb$ ^{-1} $. [...]
CERN-EP-2026-020 ; CMS-B2G-24-022-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext - CMS HEPData

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2026-02-23
11:46
First measurement of jet axis decorrelation with photon-tagged jets in pp and $ \mathrm{PbPb} $ collisions at 5.02 TeV / CMS Collaboration
The first measurement of the jet axis decorrelation in events with jets recoiling from an isolated photon is presented for lead-lead ($ \mathrm{PbPb} $) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. [...]
arXiv:2602.18279 ; CMS-HIN-21-019 ; CERN-EP-2024-331 ; CMS-HIN-21-019-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2026-02-21
05:00
Momentum Measurement of Charged Particles in FASER's Emulsion Detector at the LHC / FASER Collaboration
We present a momentum measurement method based on multiple Coulomb scattering (MCS) in the FASER$ν$ emulsion detector. [...]
FERMILAB-PUB-26-0060-PPD ; arXiv:2602.17575. -
Fulltext

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2026-02-20
15:56
Measurement of event shape variables using charged particles inside jets in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
Event shape variables, constructed from the four-momenta of the final-state objects in an event, are sensitive to the predictions of quantum chromodynamics in multijet production. [...]
arXiv:2602.17509 ; CMS-SMP-22-004 ; CERN-EP-2025-192 ; CMS-SMP-22-004-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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