CERN Accelerating science

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1126.
Strategies and performances of the CMS trigger in Run 3 / Aruta, Caterina (Florida U.) /CMS Collaboration
The Compact Muon Solenoid experiment at the Large Hadron Collider employs a two-level trigger system to select physics events of interest from high-rate collisions. The third operational period of the accelerator, Run 3, which began in 2022, presents new challenges with unprecedented levels of simultaneous collisions in a single bunch crossing (pileup). [...]
CMS-CR-2025-175.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025
1127.
Alignment of the CMS Tracker during Run 3 data taking / Chokeprasert, Punnawich (Chulalongkorn U.) /CMS Collaboration
The tracker of the CMS experiment is the largest silicon tracker ever built. It is highly granular with 1856 pixel and 15\,148 strip detector modules that provide accurate track reconstruction. [...]
CMS-CR-2025-149.- Geneva : CERN, 2025 - 7 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025
1128.
Study of the $^{50}$Cr(n,p)$^{50}$V Reaction at n_TOF for Advanced Fusion Technologies / Foteinou, Varvara (University of Ioannina, Greece) ; Amaducci, Simone (INFN Laboratori Nazionali del Sud, Catania, Italy) ; Goula, Styliani (University of Ioannina, Greece & European Organization for Nuclear Research (CERN), 1211 Geneva, Switzerland) ; Bacak, Michael (Vienna University of Technology (AT), Vienna, Austria) ; Claps, Gerardo (Agenzia nazionale per le nuove tecnologie (ENEA), Italy & INFN Laboratori Nazionali Frascati, Frascati, Italy) ; Colonna, Nicola (INFN, Sezione di Bari, Bari, Italy) ; Cosentino, Luigi (INFN Laboratori Nazionali del Sud, Catania, Italy) ; Diakaki, Maria (National Technical University of Athens, Athens, Greece) ; Eleme, Zinovia (University of Ioannina, Greece) ; Finocchiaro, Paolo (INFN Laboratori Nazionali del Sud, Catania, Italy) et al.
CERN-INTC-2025-043 ; INTC-P-747.
- 2025 - mult..
Full text
1129.
Readout of the FPGA-based Global Trigger system of the ATLAS experiment / Xu, Tong (Argonne National Laboratory (US)) /ATLAS Collaboration
A new FPGA-based Global Trigger system is intended for the Phase-II Upgrade of the ATLAS experiment at the High-Luminosity Large Hadron Collider (HL-LHC). The system will process data from the experiment with fixed latency to allow the selection of individual collisions of proton bunches with physical potential. [...]
ATL-DAQ-SLIDE-2025-521.- Geneva : CERN, 2025 - 16 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 20th International Conference on Accelerator and Large Experimental Physics Control Systems, Chicago, Us, 20 - 26 Sep 2025
1130.
Measurement of the quadruple-differential angular decay rates of single top quarks produced with the ATLAS detector / Khan, Raees Ahmad (University of Pittsburgh (US)) ; Boudreau, Joseph (University of Pittsburgh (US)) ; Cai, Huacheng (CERN) ; Mueller, James Alfred (University of Pittsburgh (US)) ; Chitishvili, Mariam (Univ. of Valencia and CSIC (ES)) ; Escobar Ibanez, Carlos (Univ. of Valencia and CSIC (ES)) ; Degens, Jordy (University of Liverpool (GB)) ; Ng, Chi Wing (University of Pittsburgh (US)) ; Vreeswijk, Marcel (Nikhef National institute for subatomic physics (NL)) ; Costa Mezquita, Maria Jose (Univ. of Valencia and CSIC (ES)) /ATLAS Collaboration
In this study, we measure the fourfold differential angular decay rate of single top quarks produced in the t-channel in proton-proton collisions, using the full LHC Run 2 dataset collected by the ATLAS detector, with a centre-of-mass energy of sqrt{s}=13 TeV. Our primary goal is to extract limits on the Wilson coefficients at the tWb vertex and the four-quark operator C_{Qq} at the production vertex, alongside measuring the t-channel single top quark production cross-section. [...]
ATL-PHYS-SLIDE-2025-520.- Geneva : CERN, 2025 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
1131.

CMS-PHO-COLLAB-2025-018
© 2025 CERN, for the benefit of the CMS Collaboration
CMS Young Researcher Prize 2025
Awarded during the September 2025 CMS Week at CERN [...]
29/09/2025
More >>
1132.
Global EFT combinations in ATLAS and CMS / Shroff, Maheyer Jamshed (McGill University, (CA)) /ATLAS Collaboration
Many-parameter fits to precise measurements in the framework of the Standard Model Effective Field Theory are becoming a standard interpretation of LHC and other collider data. In this contribution an overview is given of state-of-the-art EFT interpretations in ATLAS with particular emphasis on results in the top quark sector..
ATL-PHYS-SLIDE-2025-519.- Geneva : CERN, 2025 - 26 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
1133.
FELIX, the ATLAS readout system: from LHC Run 3 to Run 4 / Luz, Ricardo (Argonne National Laboratory (US)) /ATLAS Collaboration
After being successfully deployed to read out a subset of the ATLAS detectors during LHC Run 3 (2022-2026), FELIX will serve all ATLAS detectors in LHC Run 4 (2030-2033). FELIX is a router between custom serial links from front-end ASICs and FPGAs to data collection and processing components via a commodity switched network. [...]
ATL-DAQ-SLIDE-2025-518.- Geneva : CERN, 2025 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 20th International Conference on Accelerator and Large Experimental Physics Control Systems, Chicago, Us, 20 - 26 Sep 2025
1134.
Towards reducing the neutron background for (n,g) measurements at n TOF-EAR2 / Alcayne, Victor (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Spain) ; Allannavar, Aparna (Universitat Politècnica de Catalunya, Spain) ; Bacak, Michael (Technische Universität Wien (TU Wien), Austria) ; Balibrea-Correa, Javier (Instituto de Fı́sica Corpuscular, CSIC - Universidad de Valencia, Spain) ; Cano-Ott, Daniel (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas) ; Casanovas, Adria (Universitat Politècnica de Catalunya, Spain) ; Lerendegui-Marco, Jorge (Instituto de Fı́sica Corpuscular, CSIC - Universidad de Valencia, Spain) ; Manna, Alice (European Organization for Nuclear Research (CERN), Switzerland) ; Mendoza, Emilio (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas) ; Mucciola, Riccardo (Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Italy) et al.
CERN-INTC-2025-042 ; INTC-P-587-ADD-2.
- 2025 - mult..
Original Document (INTC-P-587) - Full text
1135.
Latest results on ttbar production threshold in ATLAS / Majersky, Oliver (Deutsches Elektronen-Synchrotron (DE)) /ATLAS Collaboration
The exceptionally large dataset collected by the ATLAS detector at the highest proton-proton collision energies provided by the LHC enables precision testing of theoretical predictions using an extensive sample of top quark events. This wealth of data has also opened the door to new measurements including those particularly sensitive to the ttbar threshold region, such as measurement of enhancement of ttbar production due to non-relaticistic QCD effects in the threshold, and measurement of top-quark Yukawa coupling in the ttbar production. [...]
ATL-PHYS>-SLIDE-2025-517.- Geneva : CERN, 2025 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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