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ATLAS Preprints

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2022-01-21
09:11
Measurements of Higgs boson production cross-sections in the $H\rightarrow\tau^{+}\tau^{-}$ decay channel in $pp$ collisions at $\sqrt{s}=13\,\text{TeV}$ with the ATLAS detector / ATLAS Collaboration
Measurements of the production cross-sections of the Standard Model (SM) Higgs boson ($H$) decaying into a pair of $\tau$-leptons are presented [...]
arXiv:2201.08269 ; CERN-EP-2021-217.
- 2022. - 87 p, 87 p.
Fulltext - Previous draft version - Fulltext

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2022-01-21
04:02
Standard model parameters from top quark measurements at LHC with ATLAS and CMS / Wuchterl, Sebastian
Theoretical predictions for standard model (SM) processes involving top quarks, such as top quark-antiquark pair or single top production, depend on fundamental SM parameters like the strong coupling constant or the top quark mass. [...]
arXiv:2201.06946 ; CMS CR-2021/299.
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2022-01-19
11:59
Search for single production of a vector-like $T$ quark decaying into a Higgs boson and top quark with fully hadronic final states using the ATLAS detector / ATLAS Collaboration
A search is made for a vector-like $T$ quark decaying into a Higgs boson and a top quark in 13 TeV proton-proton collisions using the ATLAS detector at the Large Hadron Collider with a data sample corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2201.07045 ; CERN-EP-2021-249.
- 2022. - 52 p, 52 p.
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2022-01-14
09:07
Recent precision W/Z measurements at the LHC (all relevant DY measurements), including full Run 2 and HL-LHC prospects / Cipriani, Marco (CERN) /ALICE,ATLAS,CMS and LHCB Collaborations
Precision measurements of W and Z boson cross sections and other properties are a powerful tool to validate theoretical calculations of the standard model, and are also essential in searches for new physics phenomena. These bosons are copiously produced in proton-proton collisions at the LHC, which permits several measurements to be performed differentially in many kinematic variables, often with negligible statistical uncertainties. [...]
CMS-CR-2021-295.- Geneva : CERN, 2021 - 11 p. Fulltext: PDF;
In : 32nd Rencontres de Blois on Particle Physics and Cosmology, Blois, Fr, 17 - 22 Oct 2021

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2022-01-14
09:07
Double Higgs production at the LHC / Portales, Louis (Ecole Polytechnique) /ATLAS and CMS Collaborations
An overview of the latest results on resonant and non-resonant Higgs boson pair production, using up to 140~fb$^{-1}$ of $\sqrt{s}=13$~TeV proton-proton collision data recorded during Run~2 of the LHC by the ATLAS and CMS Collaborations, is presented. A wide range of decay modes is covered, with one Higgs boson decaying to $b\bar{b}$, and the second to $b\bar{b}$, $W^{+}W^{-}$, $ZZ$, $\tau^{+}\tau^{-}$ or $\gamma\gamma$, as well as different topologies, with studies of both resolved and boosted signals and for both gluon-gluon and vector-boson fusion production modes. [...]
CMS-CR-2021-245.- Geneva : CERN, 2021 - 6 p. Fulltext: PDF;
In : PANIC2021 22nd edition, Online, Online, 5 - 10 Sep 2021

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2022-01-13
14:45
Top quark production in association with a vector boson at the LHC / Knolle, Joscha (Gent U.) /ATLAS and CMS Collaborations
Cross section measurements of top quark production in association with a vector boson in proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$ at the CERN LHC provide an important probe of the electroweak top quark couplings. In this contribution, recent results of the ATLAS and CMS Collaborations for the measurement of top quark pair and single top quark production in association with a photon or a Z boson are presented. [...]
CMS-CR-2021-289.- Geneva : CERN, 2021 - 7 p. Fulltext: PDF;
In : 14th International Workshop on Top Quark Physics 2021, Online, Online, 13 - 17 Sep 2021

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2022-01-07
15:54
Search for long-lived charginos based on a disappearing-track signature using 136 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for long-lived charginos produced either directly or in the cascade decay of heavy prompt gluino states is presented. [...]
arXiv:2201.02472 ; CERN-EP-2021-209.
- 2022. - 51 p.
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2021-12-22
15:00
Search for Higgs boson pair production in the two bottom quarks plus two photons final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Searches are performed for nonresonant and resonant di-Higgs boson production in the $b\bar{b}\gamma\gamma$ final state. [...]
arXiv:2112.11876 ; CERN-EP-2021-180.
- 2021. - 53 p.
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2021-12-22
04:10
Determination of Proton Parton Distribution Functions using ATLAS Data / Zhang, Zhiqing (IJCLab, Orsay)
Using differential cross-section data of inclusive $W$ and $Z/\gamma^\ast$ boson production and of their production in association with jets, and differential cross-section data of top-quark pair production in the lepton + jets and dilepton channels in proton$-$proton collisions at the CERN Large Hadron Collider at center-of-mass energies of $\sqrt{s}=7$ and 8 TeV, together with deep inelastic scattering data from electron$-$proton collisions at the HERA collider, several determinations of parton distribution functions of the proton have been performed by the ATLAS experiment. [...]
arXiv:2112.11054.
- 9 p.
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2021-12-21
19:35
Determination of the parton distribution functions of the proton using diverse ATLAS data from $pp$ collisions at $\sqrt{s} = 7$, 8 and 13 TeV / ATLAS Collaboration
This paper presents an analysis at next-to-next-to-leading order in the theory of quantum chromodynamics for the determination of a new set of proton parton distribution functions using diverse measurements in $pp$ collisions at $\sqrt{s} = 7$, 8 and 13 TeV, performed by the ATLAS experiment at the Large Hadron Collider, together with deep inelastic scattering data from $ep$ collisions at the HERA collider. [...]
arXiv:2112.11266 ; CERN-EP-2021-239.
- 2021. - 91 p.
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