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2026-06-26
14:23
Sensor Quality Control and Annealing Studies of HGCAL Silicon Sensors / Gul Dincer, Gizem (Institut für Experimentelle Teilchenphysik, Karlsruhe, Germany) /CMS Collaboration
The CMS detector at the CERN Large Hadron Collider is undergoing major upgrades for the High-Luminosity LHC (HL-LHC), including the replacement of its endcap calorimeters with the High Granularity Calorimeter (HGCAL). The electromagnetic section (CE-E) and the high-radiation regions of the hadronic section (CE-H) will employ radiation-tolerant, fast-response silicon pad sensors, collectively covering a surface area of approximately 620 m². [...]
CMS-CR-2026-058.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF;
In : 21th Anniversary ”Trento” workshop on Advanced Silicon Radiation Detectors, Perugia, It, 17 - 19 Feb 2026

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2026-06-26
14:21
CMS Phase 2 Outer Tracker 2S Module Assembly / Kumar Pal, Kuldeep (National Institute of Science Education and Research, Jatni, Khorda, Odisha 752050, India Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400094, India, Odisha, India) /CMS Collaboration
To cope up with enhanced interaction rates during the High Luminosity operation of the LHC (HL-LHC), the CMS Outer Tracker (OT) is being upgraded with specialized strip-strip (2S) modules with capability of track selection at the hardware level. The assembly of such silicon strip tracker modules consist a multi-step procedure with the usage of several machineries and precision fixtures. [...]
CMS-CR-2026-067.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF;
In : 7th International Conference on Technology and Instrumentation for Particle Physics, Mumbai, In, 2 - 6 Feb 2026

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2026-06-26
14:21
The 3D pixel tracker of the CMS Precision Proton Spectrometer in Run 3 / Gianatti, Anna (INFN Sezione di Genova (a); Università di Genova (b), Genova, Italy) /CMS Collaboration
The CMS Precision Proton Spectrometer (PPS) was designed for measuring protons that escape along the LHC beam line after the interaction in CMS. It successfully took data during the LHC Run 2, collecting more than 110 fb-1 of integrated luminosity, and since 2022 is taking data in Run 3, having already collected more than 230 fb-1. [...]
CMS-CR-2026-033.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF;
In : 21th Anniversary ”Trento” workshop on Advanced Silicon Radiation Detectors, Perugia, It, 17 - 19 Feb 2026

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2026-06-26
14:12
Searches for Exotica (CMS) / Kotsarini, Maria (National and Kapodistrian University of Athens, Athens, Greece) /CMS Collaboration
In this work, recent CMS searches for physics beyond the Standard Model are presented using Run 2 and Run 3 proton?proton collision data. The focus is on analyses that explore challenging regions of phase space, enabled by data scouting techniques and advanced reconstruction methods. [...]
CMS-CR-2026-024.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF;
In : 14th International Conference on New Frontiers in Physics 2025 (ICNFP 2025), Kolymbari, Crete, Gr, 17 - 31 Jul 2025

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2026-06-26
14:09
Searches for heavy and vector-like fermions, and leptoquarks with the ATLAS and CMS experiments / Di Fraia, Carlo (INFN Sezione di Napoli (a); Università di Napoli 'Federico II' (b); Università della Basilicata (Potenza) (c); Scuola Superiore Meridionale (SSM) (d), Napoli, Italy) /CMS Collaboration
The Standard Model of particle physics explains many natural phenomena yet remains incomplete. Leptoquarks (LQs) are hypothetical particles predicted to mediate interactions between quarks and leptons, bridging the gap between these two fundamental classes of particles. [...]
CMS-CR-2026-068.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF;
In : 33rd International Workshop on Deep Inelastic Scattering and Related Subjects (DIS2026), Bologna, Italy, 4 - 8 May 2026

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2026-06-26
04:53
Lepton $g-2$ non-universality of hadronic contributions and a sub-GeV window to New Physics / Li, Siyuan (Mainz U., Inst. Kernphys.) ; Pascalutsa, Vladimir (Mainz U., Inst. Kernphys.) ; Pospelov, Maxim (Minnesota U. ; CERN)
We propose the linear combination of the anomalous magnetic moments of the muon and electron, $a_{μ-e} \equiv a_μ- (m_μ/m_e)^2 a_e$, as a natural low-energy window quantity that may directly probe the current discrepancy between the data-driven and lattice-QCD evaluations of hadronic contributions. [...]
arXiv:2606.08329. - 8.
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2026-06-26
04:46
Broadband multiwavelength properties of the archetypal blazar 3C 279 during the 2017 Event Horizon Telescope campaign / Event Horizon Telescope Collaboration
The archetypal blazar 3C 279 hosts a prominent relativistic jet and exhibits strong broadband variability across the electromagnetic spectrum. [...]
arXiv:2606.25868. - 29.
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2026-06-25
12:06
Observation of electroweak production of pairs of Z bosons in proton-proton collisions at 13 TeV
The first evidence of electroweak (EW) production of pairs of Z bosons in association with two jets ($\text{jj}$) in the final state $ \mathrm{Z}\mathrm{Z} \text{jj}\to\ell\ell\nu\nu \text{jj} $, where $ \ell = \mathrm{e}, \mu $, is reported by the CMS experiment. [...]
CERN-EP-2026-144 ; CMS-SMP-23-001-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext

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2026-06-25
10:24
First Search for Quirks at the LHC with the FASER Experiment / Welch, Eli Marcel (University of California Irvine (US)) ; Jofrehei, Arash (Universite de Geneve (CH)) ; Pizarro Medina, Andrea (Universite de Geneve (CH)) /FASER Collaboration
Quirks are particles that have Standard Model interactions while also interacting through infracolor (IC), a new strong force. In models where the IC confinement scale, $\Lambda$, is much less than the quirk mass, quirk pairs produced at colliders are connected by an IC string force and oscillate around their center of mass with unusual trajectories that escape traditional particle searches. [...]
CERN-FASER-2026-002.- Geneva : CERN, 2026 Fulltext: PDF;

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2026-06-25
04:14
Observation of electroweak production of pairs of Z bosons in proton-proton collisions at 13 TeV / CMS Collaboration
The first evidence of electroweak (EW) production of pairs of Z bosons in association with two jets (jj) in the final state ZZjj $\to$$\ell\ellνν$jj, where $\ell$ = e, $μ$, is reported by the CMS experiment. [...]
CMS-SMP-23-001 ; CERN-EP-2026-144 ; arXiv:2606.20558. -
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