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CERN Document Server Encontrados 509,514 registros  1 - 10siguientefinal  ir al registro: La búsqueda tardó 0.68 segundos. 
1.
Measurement of the W boson decay branching fraction ratio $ \mathcal{B}(\mathrm{ W \to c q })/\mathcal{B}(\mathrm{{W}\to q \bar{q}{}^{'}}) $ in proton-proton collisions at $ \sqrt{s} = $ 13 TeV
The most precise measurement to date of the W boson hadronic decay branching fraction ratio $ R_\mathrm{c}^{\mathrm{W}}=\mathcal{B}(\mathrm{ W \to c q })/\mathcal{B}(\mathrm{{W}\to q \bar{q}{}^{'}}) $ is presented. [...]
CERN-EP-2024-314 ; CMS-SMP-24-009-003. - 2024
Additional information for the analysis - CMS AuthorList - Fulltext
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2.
Epiphany2025 - Epiphany2025   13 - 17 Jan 2025  - Krakow, Pl  .-
2025
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3.
Discriminating between Pseudoscalar Higgs and Toponium States at the LHC and Beyond / Djouadi, Abdelhak (Annecy, LAPP ; Granada U., Theor. Phys. Astrophys.) ; Ellis, John (King's Coll. London ; CERN) ; Quevillon, Jeremie (Annecy, LAPP)
We discuss ways to discriminate at hadron colliders between a quasi-bound toponium state and a pseudoscalar Higgs boson A, as predicted in many extensions of the Standard Model. [...]
KCL-PH-TH/2024-77 ; CERN-TH-2024-219 ; arXiv:2412.15138. - 14.
Fulltext
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4.
On Determining $\alpha_s(m_Z)$ from Dijets in $e^+e^-$ Thrust / Benitez, Miguel A. (Salamanca U., IUFFyM) ; Hoang, Andre H. (Vienna U.) ; Mateu, Vicent (Salamanca U., IUFFyM) ; Stewart, Iain W. (Vienna U. ; MIT) ; Vita, Gherardo (CERN)
We update a previous N$^3$LL$^\prime$+${\cal O}(\alpha_s^3)$ determination of the strong coupling from a global fit to thrust data by including newly available perturbative ingredients, upgrading the renormalization scales to include a fully canonical scaling region, and implementing the log resummation in a way which ensures the integrated cross section is unaffected by the the leading $1/Q$ hadronization power corrections. [...]
MIT-CTP 5746 ; CERN-TH-2024-142 ; UWThPh2024-8 ; arXiv:2412.15164. - 66.
Fulltext
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5.
On the Interplay of Constraints from $B_s$, $D$, and $K$ Meson Mixing in $Z^\prime$ Models with Implications for $b\to s \nu\bar\nu$ Transitions / Buras, Andrzej J. (TUM-IAS, Munich) ; Stangl, Peter (CERN)
Within $Z^\prime$ models, neutral meson mixing severely constrains beyond the Standard Model (SM) effects in flavour changing neutral current (FCNC) processes. [...]
AJB-24-3 ; CERN-TH-2024-218 ; arXiv:2412.14254. - 63.
Fulltext
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6.
Towards a differential $\mathrm{t\bar{t}W}$ cross section measurement at CMS / Marckx, David (Gent U. ; Rochester U.)
Top quark pair production in association with a W boson is a rare standard model process that has proven to be an intriguing puzzle for theorists and experimentalists alike. [...]
arXiv:2412.14303. -
Fulltext
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7.
NNLO fits of top-quark mass using total, single-differential and double-differential $t\bar{t}+X$ cross-section data / Alekhin, S. ; Garzelli, M.V. ; Mazzitelli, J. ; Moch, S.-O. ; Zenaiev, O.
We describe the fits of the top-quark mass value at NNLO using as input the double-differential distributions in rapidity and invariant mass of $t\bar{t}$ pairs obtained by the ATLAS and CMS collaborations from unfolding of their experimental data to the parton level, compared to NNLO theory predictions. [...]
CERN-TH-2024-220 ; arXiv:2412.14348. -
Fulltext
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8.
Higgs boson property measurements at the ATLAS experiment / Biglietti, Michela (Universita e INFN Roma Tre (IT)) /ATLAS Collaboration
With the full Run 2 pp collision dataset collected at 13 TeV, very precise measurements of Higgs boson properties and its interactions can be performed, shedding light over the electroweak symmetry breaking mechanism. This talk presents measurements performed using the Run 2 dataset, as well as first results using the Run 3 pp collision dataset collected since 2022 at 13.6 TeV. [...]
ATL-PHYS>-SLIDE-2024-646.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Miami Conference on Elementary Particles, Astrophysics and Cosmology, Miami, Florida, United States Of America, 14 - 20 Dec 2016
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9.
Searches for new physics with leptons using the ATLAS detector / Islam, Wasikul (University of Wisconsin Madison (US))
Many different theories beyond the Standard Model (SM) predict that new physics will manifest itself by decaying into final states involving leptons. [...]
ATL-PHYS-PROC-2024-120. - 2024 - 6.
Original Communication (restricted to ATLAS) - Full text
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10.
Fast Simulation with ATLAS / Corchia, Federico Andrea (Universita e INFN, Bologna (IT)) /ATLAS Collaboration
As we are approaching the high-luminosity era of the LHC, the computational requirements of the ATLAS experiment are expected to increase significantly in the coming years. In particular, the simulation of MC events is immensely computationally demanding, and their limited availability is one of the major sources of systematic uncertainties in many physics analyses. [...]
ATL-SOFT-SLIDE-2024-645.- Geneva : CERN, 2024 - 19 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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