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ATLAS Papers

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2022-09-30
12:19
A search for new resonances in multiple final states with a high transverse momentum $Z$ boson in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
A generic search for resonances is performed with events containing a $Z$ boson with transverse momentum greater than 100 GeV, decaying into $e^+e^-$ or $\mu^+\mu^-$. [...]
arXiv:2209.15345 ; CERN-EP-2022-180. - 2022. - 38 p, 38 p.
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2022-09-30
11:53
Measurement of the polarisation of $W$ bosons produced in top-quark decays using dilepton events at $\sqrt{s} = 13$ TeV with the ATLAS experiment
A measurement of the polarisation of $W$ bosons produced in top-quark decays is presented, using proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
CERN-EP-2022-197 ; arXiv:2209.14903. - 2022. - 21 p.
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2022-09-28
14:59
Search for direct pair production of sleptons and charginos decaying to two leptons and neutralinos with mass splittings near the $W$-boson mass in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
A search for the electroweak production of pairs of charged sleptons or charginos decaying into two-lepton final states with missing transverse momentum is presented. [...]
CERN-EP-2022-132 ; arXiv:2209.13935. - 2022. - 39 p.
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2022-09-22
14:53
Search for resonant and non-resonant Higgs boson pair production in the $b\bar b\tau^+\tau^-$ decay channel using 13 TeV $pp$ collision data from the ATLAS detector
A search for Higgs boson pair production in events with two $b$-jets and two $\tau$-leptons is presented, using a proton-proton collision data set with an integrated luminosity of 139 fb$^{-1}$ collected at $\sqrt{s}=13$ TeV by the ATLAS experiment at the LHC. [...]
CERN-EP-2022-109 ; arXiv:2209.10910. - 2022. - 40 p.
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2022-09-20
09:18
Measurement of single top-quark production in the s-channel in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A measurement of single top-quark production in the s-channel is performed in proton-proton collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the CERN Large Hadron Collider. [...]
arXiv:2209.08990 ; CERN-EP-2022-116. - 2022. - 26 p.
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2022-09-16
15:34
Measurements of observables sensitive to colour reconnection in $t\bar{t}$ events with the ATLAS detector at $\sqrt{s}=13$ TeV
A measurement of observables sensitive to effects of colour reconnection in top-quark pair-production events is presented using 139 fb$^{-1}$ of 13$\,$TeV proton-proton collision data collected by the ATLAS detector at the LHC. [...]
CERN-EP-2022-167 ; arXiv:2209.07874. - 2022. - 74 p.
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2022-09-05
12:51
Search for displaced photons produced in exotic decays of the Higgs boson using 13 TeV $pp$ collisions with the ATLAS detector
A search is performed for delayed and nonpointing photons originating from the displaced decay of a neutral long-lived particle (LLP). [...]
CERN-EP-2022-096. - 2022.
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2022-09-02
12:53
Measurement of the top-quark mass using a leptonic invariant mass in $pp$ collisions at $\sqrt{s}=13~\textrm{TeV}$ with the ATLAS detector
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. [...]
CERN-EP-2020-018 ; arXiv:2209.00583. - 2022. - 32 p.
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2022-08-29
09:49
Measurement of electroweak $Z(\nu\bar{\nu})\gamma jj$ production and limits on anomalous quartic gauge couplings in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The electroweak production of $Z(\nu\bar{\nu})\gamma$ in association with two jets is studied in a regime with a photon of high transverse momentum above 150 GeV using proton-proton collisions at a centre-of-mass energy of 13 TeV at the Large Hadron Collider. [...]
arXiv:2208.12741 ; CERN-EP-2022-138. - 2022. - 27 p.
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2022-08-26
13:27
Evidence for the charge asymmetry in $pp \rightarrow t\bar{t}$ production at $\sqrt{s}= 13$ TeV with the ATLAS detector
Inclusive and differential measurements of the top-antitop ($t\bar{t}$) charge asymmetry $A_\text{C}^{t\bar{t}}$ and the leptonic asymmetry $A_\text{C}^{\ell\bar{\ell}}$ are presented in proton-proton collisions at $\sqrt{s} = 13$ TeV recorded by the ATLAS experiment at the CERN Large Hadron Collider. [...]
CERN-EP-2022-166. - 2022.
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