CERN Accelerating science

CERN Document Server 7 εγγραφές βρέθηκαν  Η έρευνα πήρε 0.72 δευτερόλεπτα. 
1.
Equivariant neural networks for robust <math display="inline"><mi>C</mi><mi>P</mi></math> observables / Cruz, Sergio Sánchez (CERN) ; Kolosova, Marina (U. Florida, Gainesville (main)) ; Ramón Álvarez, Clara (ICTEA, Oviedo) ; Petrucciani, Giovanni (CERN) ; Vischia, Pietro (ICTEA, Oviedo)
We introduce the usage of equivariant neural networks in the search for violations of the charge-parity ($\textit{CP}$) symmetry in particle interactions at the CERN Large Hadron Collider. We design neural networks that take as inputs kinematic information of recorded events and that transform equivariantly under the a symmetry group related to the $\textit{CP}$ transformation. [...]
arXiv:2405.13524.- 2024-11-01 - 10 p. - Published in : Phys. Rev. D Fulltext: Publication - PDF; 2405.13524 - PDF;
2.
LHC EFT WG Note: SMEFT predictions, event reweighting, and simulation / Schoefbeck, Robert (Austrian Academy of Sciences (AT)) ; Belvedere, Alberto (Deutsches Elektronen-Synchrotron (DE)) ; Bhattacharya, Saptaparna (Wayne State University (US)) ; Chatterjee, Suman (Austrian Academy of Sciences (AT)) ; Calandri, Alessandro (ETH Zurich (CH)) ; Sanchez Cruz, Sergio (CERN) ; Dickinson, Jennet Elizabeth (Fermi National Accelerator Lab. (US)) ; Glessgen, Franz Jacob (ETH Zurich (CH)) ; Goldouzian, Reza (University of Notre Dame (US)) ; Grohsjean, Alexander (Hamburg University (DE)) et al.
This note gives an overview of the tools for predicting expectations in the Standard Model effective field theory (SMEFT) at the tree level and one loop available through event generators. Methods of event reweighting, the separate simulation of squared matrix elements, and the simulation of the full SMEFT process are compared in terms of statistical efficacy and potential biases..
arXiv:2406.14620; CERN-LHCEFTWG-2024-001; CERN-LPCC-2024-001; CERN-LPCC-2024-001.- Geneva : CERN, 2024 - 42 p. Fulltext: da0a86c213c0c72b823f69c0b79b403b - PDF; 2406.14620 - PDF; Updated draft: PDF; External link: Fermilab Library Server
3.
Search for EFT in associated top production / Cruz, Sergio Sanchez (Zurich U.)
A search for new physics in top quark production with additional final-state leptons is performed with 138 $\mathrm{fb}^{-1}$ of proton-proton collision data at $\sqrt{s}$ = 13 TeV. [...]
arXiv:2305.06245 ; CMS CR-2023/046.
- 6 p.
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4.
Irradiation aging of the CMS Drift Tube muon detector / Ferrero, D.D. Redondo ; Abbiendi, G. ; Maestre, J. Alcaraz ; Fernández, A. Álvarez ; González, B. Álvarez ; Amapane, N. ; Bachiller, I. ; Barcala, J.M. ; Barcellan, L. ; Battilana, C. et al.
During the High Luminosity LHC, the Drift Tube chambers installed in the CMS detector need to operate with an integrated dose ten times higher than expected at the LHC due to the increase in integrated luminosity from 300 fb${-1}$ to 3000 fb$^{-1}$. Irradiations have been performed to assess the performance of the detector under such conditions and to characterize the radiation aging of the detector. [...]
2020 - 6 p. - Published in : Radiat. Phys. Chem. 172 (2020) 108747
In : 3rd International Conference on Dosimetry and its Applications, Lisbon, Portugal, 27 - 31 May 2019, pp.108747
5.
Search for low-mass dilepton resonances in Higgs boson decays to four-lepton final states in proton–proton collisions at $\sqrt{s}=13\,\text {TeV} $ / CMS Collaboration
A search for low-mass dilepton resonances in Higgs boson decays is conducted in the four-lepton final state. The decay is assumed to proceed via a pair of beyond the standard model particles, or one such particle and a Z boson. [...]
arXiv:2111.01299; CMS-HIG-19-007; CERN-EP-2021-093; CMS-HIG-19-007-003.- 2022-04-04 - 38 p. - Published in : Eur. Phys. J. C 82 (2022) 290 Fulltext: CMS-HIG-19-007_arXiv - PDF; jt - PDF; 2111.01299 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
6.
Search for new physics in events with high transverse momentum leptons with the CMS detector at the LHC / Sanchez Cruz, Sergio
This thesis presents both measurements of SM processes and searches for BSM physics in events with high momentum leptons collected in the CMS detector of the LHC [...]
CERN-THESIS-2020-113 CMS-TS-2020/022. - 198 p.

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7.
Feasibility study of the event-mixing technique in the context of a SUSY search in the same-flavour opposite-sign di-lepton channel / Sanchez Cruz, Sergio (Universidad de Oviedo (ES))
The $t\bar{t}$ production is one of the main backgrounds for many BSM searches looking for new structures in the invariant mass distribution of di-leptons produced in LHC collisions. [...]
CERN-STUDENTS-Note-2015-180.
- 2015
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