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CERN Document Server 26 records found  1 - 10próximoend  jump to record: Search took 1.13 seconds. 
1.
Broadband Multi-wavelength Properties of M87 during the 2018 EHT Campaign including a Very High Energy Flaring Episode / Event Horizon Telescope Multi-wavelength Science Collaboration
The nearby elliptical galaxy M87 contains one of the only two supermassive black holes whose emission surrounding the event horizon has been imaged by the Event Horizon Telescope (EHT). [...]
arXiv:2404.17623 ; FERMILAB-PUB-24-0804-PPD.
- 46.
Fermilab Library Server - Fulltext - Fulltext
2.
Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter / CMS HGCAL Collaboration
A novel method to reconstruct the energy of hadronic showers in the CMS High Granularity Calorimeter (HGCAL) is presented. The HGCAL is a sampling calorimeter with very fine transverse and longitudinal granularity. [...]
arXiv:2406.11937.- 2024-11-28 - 27 p. - Published in : JINST 19 (2024) P11025 Fulltext: 2406.11937 - PDF; b5503c82fab7782294f84cb336b7e20a - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
3.
Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay / Daya Bay Collaboration
We present a new determination of the smallest neutrino mixing angle ${\theta}_{13}$ and the mass-squared difference ${\Delta}{\rm m}^{2}_{32}$ using a final sample of $5.55 \times 10^{6}$ inverse beta-decay (IBD) candidates with the final-state neutron captured on gadolinium. This sample was selected from the complete data set obtained by the Daya Bay reactor neutrino experiment in 3158 days of operation. [...]
arXiv:2211.14988.- 2023-04-21 - 7 p. - Published in : Phys. Rev. Lett. 130 (2023) 161802 Fulltext: PDF;
4.
High Energy Physics Opportunities Using Reactor Antineutrinos / CHANDLER Collaboration
Nuclear reactors are uniquely powerful, abundant, and flavor-pure sources of antineutrinos that continue to play a vital role in the US neutrino physics program. [...]
arXiv:2203.07214 ; FERMILAB-CONF-22-853-PPD-SCD.
- 95.
Fermilab Library Server - eConf - Fulltext - Fulltext
5.
Constraints on anomalous Higgs boson couplings to vector bosons and fermions in its production and decay using the four-lepton final state / CMS Collaboration
Studies of $CP$ violation and anomalous couplings of the Higgs boson to vector bosons and fermions are presented. The data were acquired by the CMS experiment at the LHC and correspond to an integrated luminosity of 137 fb$^{-1}$ at a proton-proton collision energy of 13 TeV. [...]
arXiv:2104.12152; CERN-EP-2021-054; CMS-HIG-19-009-003.- Geneva : CERN, 2021-09-01 - 51 p. - Published in : Phys. Rev. D 104 (2021) 052004 Fulltext: 2104.12152 - PDF; fermilab-pub-21-422-cms - PDF; CMS-HIG-19-009-arXiv - PDF; Fulltext from publisher: PDF; External link: Fermilab Accepted Manuscript
6.
Associated top-pair production with a heavy boson production through NLO+NNLL accuracy at the LHC / Kulesza, Anna (Munster U., ITP) ; Motyka, Leszek (Jagiellonian U.) ; Schwartländer, Daniel (Munster U., ITP) ; Stebel, Tomasz (Cracow, INP) ; Theeuwes, Vincent (Gottingen U.)
In this talk we present results of our recent calculations of cross sections and distributions for the associate production of top-antitop quark pairs with a heavy boson (Higgs, W, Z) at the LHC, obtained using threshold resummation in direct QCD, i.e. in the Mellin-space approach..
arXiv:1905.07815.- ARISF, 2019 - 4 p. - Published in : , pp. 39-42 Fulltext: PDF;
In : 54th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 23 - 30 Mar 2019, pp.39-42
7.
Measurement of Liquid Argon Scintillation Light Properties by means of an Alpha Source placed inside the CERN 10-PMT LAr Detection System / Ali-Mohammadzadeh, B. (Catania U. ; INFN, Catania) ; Babicz, M. (Cracow, INP ; CERN) ; Bellini, V. (Catania U. ; INFN, Catania) ; Fava, A. (Fermilab) ; Kose, U. (CERN) ; Pietropaolo, F. (CERN ; Genoa U. ; INFN, Genoa) ; Prata, M.C. (INFN, Pavia ; Pavia U.) ; Raselli, G.L. (INFN, Pavia ; Pavia U.) ; Resnati, F. (CERN) ; Rossella, M. (INFN, Pavia ; Pavia U.) et al.
A particle detection system that exploits the scintillation light produced by ionizing particles in liquid argon (LAr) has been assembled at CERN. The system is based on 10 large-area photomultiplier tubes (PMT) immersed in a 1500-liter dewar filled with liquid argon and equipped with an extendible feed-through and mechanical support for an alpha source (241Am). [...]
arXiv:2004.09231.- 2020-06-18 - Published in : JINST 15 (2020) C06042 Fulltext: fermilab-conf-20-313-nd - PDF; 2004.09231 - PDF; External link: Fermilab Library Server (fulltext available)
In : 15th Topical Seminar on Innovative Particle and Radiation Detectors (IPRD 2019), Siena, Italy, 14 - 17 Oct 2019, pp.C06042
8.
Measurements of ${\mathrm{t\bar{t}}\mathrm{H}} $ production and the CP structure of the Yukawa interaction between the Higgs boson and top quark in the diphoton decay channel / CMS Collaboration
The first observation of the ${\mathrm{t\bar{t}}\mathrm{H}}$ process in a single Higgs boson decay channel with the full reconstruction of the final state (${\mathrm{H} \to \gamma\gamma} $) is presented, with a significance of 6.6 standard deviations ($\sigma$). The CP structure of Higgs boson couplings to fermions is measured, resulting in an exclusion of the pure CP-odd structure of the top Yukawa coupling at 3.2$\sigma$. [...]
arXiv:2003.10866; CMS-HIG-19-013; CERN-EP-2020-028; CMS-HIG-19-013-003.- Geneva : CERN, 2020-08-06 - 18 p. - Published in : Phys. Rev. Lett. 125 (2020) 061801 Article from SCOAP3: PDF; Fulltext: 2003.10866 - PDF; HIG-19-013-arXiv - PDF; External links: Additional information for the analysis; CMS AuthorList
9.
The Large Hadron-Electron Collider at the HL-LHC / FCC-he Study Group Collaboration
The Large Hadron electron Collider, LHeC, is the means to move deep inelastic physics following HERA to the energy frontier of particle physics as it is being exploited by the HL-LHC. The paper presents a thorough update of the initial LHeC Conceptual Design Report (CDR) published in 2012. [...]
arXiv:2007.14491; CERN-ACC-Note-2020-0002; JLAB-ACP-20-3180.- Geneva : CERN, 2021-12-20 - 364 p. - Published in : J. Phys. G 48 (2021) 110501 Fulltext: arXiv:2007.14491 - PDF; 2007.14491 - PDF; Fulltext from Publisher: PDF; Preprint: PDF; External link: JLab Document Server
10.
Improved Bhabha cross section at LEP and the number of light neutrino species / Janot, Patrick (CERN) ; Jadach, Stanisław (Cracow, INP)
In $\rm e^+ \rm e^-$ collisions, the integrated luminosity is generally measured from the rate of low-angle Bhabha interactions $\rm e^+ e^- \to e^+ e^- $. In the published LEP results, the inferred theoretical uncertainty of $\pm 0.061\%$ on the predicted rate is significantly larger than the reported experimental uncertainties. [...]
arXiv:1912.02067.- 2020-04-10 - 12 p. - Published in : Phys. Lett. B 803 (2020) 135319 Article from SCOAP3: PDF; Fulltext: PDF; Published fulltext: PDF;

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