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CERN Document Server Pronađeno je 10 zapisa  Pretraživanje je potrajalo 0.60 sekundi 
1.
The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3 / ATLAS Collaboration
The ATLAS detector is installed in its experimental cavern at Point 1 of the CERN Large Hadron Collider. During Run 2 of the LHC, a luminosity of $\mathcal{L}=2\times 10^{34}\mathrm{cm}^{-2}\mathrm{s}^{-1}$ was routinely achieved at the start of fills, twice the design luminosity. [...]
arXiv:2305.16623; CERN-EP-2022-259.- Geneva : CERN, 2024-05-23 - 233 p. - Published in : JINST 19 (2024) P05063 Fulltext: 2305.16623 - PDF; document - PDF; External link: Previous draft version
In : The Large Hadron Collider and The Experiments for Run 3
2.
Measurement of the inclusive $t\bar{t}$ production cross section in the lepton+jets channel in $pp$ collisions at $\sqrt{s}$= 7 TeV with the ATLAS detector using support vector machines / ATLAS Collaboration
A measurement of the top quark pair-production cross section in the lepton+jets decay channel is presented. It is based on 4.6 fb$^{-1}$ of $\sqrt{s} = 7$ TeV $pp$ collision data collected during 2011 by the ATLAS experiment at the CERN Large Hadron Collider. [...]
arXiv:2212.00571; CERN-EP-2022-191.- Geneva : CERN, 2023-08-01 - 34 p. - Published in : Phys. Rev. D 108 (2023) 032014 Fulltext: 2212.00571 - PDF; Publication - PDF; External link: Previous draft version
3.
Measurement of the top-quark mass using a leptonic invariant mass in $pp$ collisions at $\sqrt{s}=13~\textrm{TeV}$ with the ATLAS detector / ATLAS Collaboration
A measurement of the top-quark mass ($m_t$) in the $t\bar{t}\rightarrow~\textrm{lepton}+\textrm{jets}$ channel is presented, with an experimental technique which exploits semileptonic decays of $b$-hadrons produced in the top-quark decay chain. The distribution of the invariant mass $m_{\ell\mu}$ of the lepton, $\ell$ (with $\ell=e,\mu$), from the $W$-boson decay and the muon, $\mu$, originating from the $b$-hadron decay is reconstructed, and a binned-template profile likelihood fit is performed to extract $m_t$. [...]
arXiv:2209.00583; CERN-EP-2020-018.- Geneva : CERN, 2023-06-05 - 54 p. - Published in : JHEP 2306 (2023) 019 Fulltext: 2209.00583 - PDF; document - PDF; External link: Previous draft version
4.
Two-particle Bose–Einstein correlations in ${ pp }$ collisions at $\mathbf {\sqrt{s} = 13}$ TeV measured with the ATLAS detector at the LHC / ATLAS Collaboration
This paper presents studies of Bose-Einstein correlations (BEC) in proton-proton collisions at a centre-of-mass energy of 13 TeV, using data from the ATLAS detector at the CERN Large Hadron Collider. Data were collected in a special low-luminosity configuration with a minimum-bias trigger and a high-multiplicity track trigger, accumulating integrated luminosities of 151 $\mu$b$^{-1}$ and 8.4 nb$^{-1}$ respectively. [...]
arXiv:2202.02218; CERN-EP-2021-172.- Geneva : CERN, 2022-07-11 - 38 p. - Published in : Eur. Phys. J. C 82 (2022) 608 Fulltext: 2202.02218 - PDF; document - PDF; External link: Previous draft version
5.
Measurement of single top-quark production in association with a W boson in the single-lepton channel at $\sqrt{s} = 8\,\text {TeV}$ with the ATLAS detector / ATLAS Collaboration
The production cross-section of a top quark in association with a $W$ boson is measured using proton-proton collisions at $\sqrt{s} = 8$ TeV. The dataset corresponds to an integrated luminosity of 20.2 fb$^{-1}$, and was collected in 2012 by the ATLAS detector at the Large Hadron Collider at CERN. [...]
arXiv:2007.01554; CERN-EP-2019-221.- Geneva : CERN, 2021-08-10 - 42 p. - Published in : Eur. Phys. J. C 81 (2021) 720 Fulltext: 2007.01554 - PDF; document - PDF; External link: Previous draft version
6.
Observation of electroweak production of two jets and a Z-boson pair / ATLAS Collaboration
Electroweak symmetry breaking explains the origin of the masses of elementary particles via their interactions with the Higgs field. Besides the measurements of the Higgs boson properties, the study of the scattering of massive vector bosons (with spin one) at the Large Hadron Collider allows to probe the nature of electroweak symmetry breaking with an unprecedented sensitivity. [...]
arXiv:2004.10612; CERN-EP-2020-016.- Geneva : CERN, 2023-02-09 - 36 p. - Published in : Nature Phys. 19 (2023) 237-253 Fulltext: PDF; External link: Previous draft version
7.
Design and Construction of Precision Tooling for Construction of Micromegas Detectors for the ATLAS Small Wheel Upgrade Project in Germany / Losel, Philipp Jonathan (Ludwig-Maximilians-Univ. Muenchen (DE)) ; Muller, Ralph (Ludwig-Maximilians-Univ. Muenchen (DE)) ; Schaile, Otto (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Hertenberger, Ralf (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Biebel, Otmar (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Bortfeldt, Jonathan (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Flierl, Bernhard Matthias (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Mechanical precision is a key-aspect of the high-rate capable Micromegas detectors for the upgrade of the Small Wheels of the ATLAS muon spectrometer. 32 SM2 quadruplets will be built by four German institutes with cathodes and strip-anodes made of stable honeycomb sandwiches. [...]
ATL-MUON-SLIDE-2016-023.- Geneva : CERN, 2016 - 1 p. Fulltext: IEEE_2015_POSTER_RM - PDF; ATL-MUON-SLIDE-2016-023 - PDF; External link: Original Communication (restricted to ATLAS)
8.
Performance of Large Area Micromegas Detectors for the ATLAS Muon Spectrometer Upgrade Project / Losel, Philipp Jonathan (Ludwig-Maximilians-Univ. Muenchen (DE)) ; Biebel, Otmar (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Hertenberger, Ralf (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Mueller, Ralph Soeren Peter (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Bortfeldt, Jonathan (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Flierl, Bernhard Matthias (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Zibell, Andre (Julius-Maximilians-University of W\"urzburg)
Four German institutes are building the 32 high-rate capable SM2 Micromegas quadruplets, for the upgrade of the Small Wheels of the ATLAS muon spectrometer. The cathodes and strip-anodes of the m$^2$ in size quadruplets consist of stable honeycomb sandwiches with a requested planarity better than 80 $\mu$m. [...]
ATL-MUON-SLIDE-2016-014.- Geneva : CERN, 2016 - 20 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, San Diego, CA, USA, 31 Oct - 7 Nov 2015
9.
Construction and Test of Full-Size Micromegas Modules for the ATLAS New Small Wheel Upgrade / Bortfeldt, Jonathan (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
In 2015 the first full size resistive-strip MicroMegas operational modules for the ATLAS New Small Wheel upgrade will be realized. The goal is to provide precision muon tracking with spatial resolution below 100 μm on trapezoidal detector areas between 2 and 3 m^2. [...]
ATL-MUON-SLIDE-2015-844.- Geneva : CERN, 2015 - 24 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Conference on Micro Pattern Gaseous Detectors - MPGD2015, Trieste, Italy, 12 - 15 Oct 2015
10.
Construction and test of full-size Micromegas modules for the ATLAS New Small Wheel Upgrade / Bortfeldt, Jonathan (LMU Munich (main))
In 2015 the first full size resistive-strip Micromegas modules for the ATLAS New Small Wheel upgrade will be realized. [...]
ATL-MUON-PROC-2015-017.
- 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - EDP Sciences Server

Također vidi: slična imena autora
17 Bortfeldt, J
1 Bortfeldt, J F
15 Bortfeldt, J.
782 Bortfeldt, Jonathan
3 Bortfeldt, Jonathan Frederik
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