2025-02-19 06:41 |
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2025-02-19 06:41 |
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2025-02-19 06:41 |
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2025-02-19 06:41 |
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2025-02-19 06:41 |
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2025-02-19 06:41 |
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2025-02-19 06:41 |
CMS jet measurements and constraints on PDFs and $\alpha_\text{s}$
/ Savoiu, Daniel (Hamburg U., Inst. Exp. Phys. II)
/CMS Collaboration
A selection of recent jet measurements in proton-proton collisionsfrom the CMS Collaboration at the CERN LHC is presented.Several experimental results targeting jet production are summarized, includingdifferential measurements of the inclusive jet cross section at center-of-massenergies of $\sqrt{s}$ = 13 TeV and 5.02 TeV, and of the dijet cross sectionat $\sqrt{s}$ = 13 TeV.The measurements are compared to state-of-the-art theoretical predictionsat next-to-next-to-leading-order accuracy in perturbative QCD, and the strong couplingconstant $\alpha_\text{s}(m_\text{Z})$ is extracted simultaneously with the parton distribution functions (PDFs)of the proton at 13 TeV.A further experimental handle on $\alpha_\text{s}(m_\text{Z})$ is provided by a measurement of jetazimuthal correlations.Finally, a novel measurement of the energy-energy correlators inside jets is outlined. These providean additional way of determining $\alpha_\text{s}(m_\text{Z})$ while also constituting useful observables forprobing phase spaces dominated by nonperturbative processes like hadronization and haveapplications in the context of Monte Carlo event generator tuning..
2025 - 7 p.
- Published in : PoS DIS2024 (2025) 028
Fulltext: PDF;
In : 31st International Workshop on Deep Inelastic Scattering, Grenoble, France, 8 - 12 Apr 2024, pp.028
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2025-02-19 06:41 |
Neutrinos at the LHC - Results from FASER
/ Atkinson, Jeremy (U. Bern, AEC)
/FASER Collaboration
The goal of FASER, the ForwArd Search ExpeRiment, at the CERN LHC, is to investigate light, weakly-interacting particles. Aligned with the collision axis line-of-sight of the ATLAS interaction point, it is located 480 m downstream, and covers the previously unexplored pseudorapidity range of 𝜂 > 8.8. [...]
2025 - 6 p.
- Published in : PoS DIS2024 (2025) 056
Fulltext: PDF;
In : 31st International Workshop on Deep Inelastic Scattering, Grenoble, France, 8 - 12 Apr 2024, pp.056
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2025-02-19 06:41 |
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2025-02-19 06:41 |
Higgs self-coupling at the FCC-hh
/ Gallo, Elisabetta (DESY ; Hamburg U.) ; Grojean, Christophe (DESY) ; Mastrapasqua, Paola (Louvain U., CP3) ; Selvaggi, Michele (CERN) ; Stapf, Birgit (Hamburg U.) ; Tackmann, Kerstin (DESY ; Hamburg U.) ; Taliercio, Angela (Northwestern U.)
The Higgs self-coupling 𝜆 governs the shape of the Higgs potential and its precise determination is one of the main goals at future colliders. Here we present a new study based on fast simulations at the FCC-hh, assuming √𝑠 = 100 TeV and an integrated luminosity of 30 ab$^{−1}$. [...]
2025 - 5 p.
- Published in : PoS DIS2024 (2025) 253
Fulltext: PDF;
In : 31st International Workshop on Deep Inelastic Scattering, Grenoble, France, 8 - 12 Apr 2024, pp.253
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