ATLAS Conference Notes

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2019-10-17
10:59

Test of CP invariance in vector-boson fusion production of the Higgs boson in the $H\rightarrow\tau\tau$ channel in proton--proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A test of CP invariance in Higgs boson production via vector-boson fusion in the $H\rightarrow\tau\tau$ decay mode is presented. [...]
ATLAS-CONF-2019-050. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-10-17
10:57

Constraints on the Higgs boson self-coupling from the combination of single-Higgs and double-Higgs production analyses performed with the ATLAS experiment
Constraints on the Higgs boson self-coupling are set by combining the single Higgs boson analyses targeting the $\gamma \gamma$, $ZZ^*$, $WW^*$, $\tau^+ \tau^-$ and $b\bar{b}$ decay channels and the double Higgs boson analyses in the $b\bar{b}b\bar{b}$, $b\bar{b}\tau^+\tau^-$ and $b\bar{b} \gamma \gamma$ decay channels, using data collected at $\sqrt{s} = 13$ TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-049. - 2019. - 16 p.
Original Communication (restricted to ATLAS) - Full text

2019-10-17
10:53

Study of $J/\psi p$ resonances in the $Λ^0_b→J/\psi pK^−$ decays in $pp$ collisions at $\sqrt{s}$=7 and 8TeV with the ATLAS detector
A study of $J/\psi p$ resonances in the $Λ^0_b→J/\psi pK^−$ decays with large $m(pK^-)$ invariant masses by the ATLAS experiment at the LHC is presented. [...]
ATLAS-CONF-2019-048. - 2019. - 24 p.
Original Communication (restricted to ATLAS) - Full text

2019-10-17
10:45

Measurement of the production cross-section of $J/\psi$ and $\psi(2{\mathrm S})$ mesons at high transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The measurements of the prompt and non-prompt differential cross-sections of $J/\psi$ and $\psi(2\mathrm{S})$ mesons with $p_{T}$ between 60 and 360 GeV and rapidity range $|y|<2$ are reported. [...]
ATLAS-CONF-2019-047. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-10-17
10:43

Measurement of the top quark mass using a leptonic invariant mass in pp collisions at $sqrt{s}$ = 13 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. [...]
ATLAS-CONF-2019-046. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-10-17
08:27

Analysis of $t\bar{t}H$ and $t\bar{t}W$ production in multilepton final states with the ATLAS detector
A search for the associated production of a top-quark pair with the Higgs boson ($t\bar{t}H$) in multilepton final states is presented. [...]
ATLAS-CONF-2019-045. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-09-25
16:52

Measurement of the $t\bar{t}$ production cross-section in the lepton+jets channel at $\sqrt{s}=13$ TeV with the ATLAS experiment
The $t\bar{t}$ production cross-section is measured in the lepton+jets channel using proton-proton collision data at a center-of-mass-energy of $\sqrt{s}=13$ TeV collected with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-044. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-09-25
16:48

Observation of the associated production of a top quark and a Z boson in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Single top-quark production in association with a $Z$ boson is measured in the trilepton channel [...]
ATLAS-CONF-2019-043. - 2019. - 28 p.
Original Communication (restricted to ATLAS) - Full text

2019-09-22
12:33

Measurements of inclusive and differential cross-sections of $t\bar{t}\gamma$ production in the $e\mkern-2mu\mu$ channel at 13 TeV with the ATLAS detector
Inclusive and differential cross-sections for the production of a top-quark pair in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
ATLAS-CONF-2019-042. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-08-10
18:55

Measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $e\mu$ dilepton events from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The inclusive top quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ has been measured in proton-proton collisions at $\sqrt{s}=13$ TeV, using 36.1 fb$^{-1}$ of data collected in 2015-16 by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2019-041. - 2019.
Original Communication (restricted to ATLAS) - Full text

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