ATLAS Conference Notes

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2019-05-11
16:10

Searches for lepton-flavour-violating decays of the Higgs boson in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
This note presents direct searches for lepton flavour violation in Higgs boson decays, $H\rightarrow e\tau$ and $H\rightarrow\mu\tau$, performed with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-013. - 2019. - 26 p.
Original Communication (restricted to ATLAS) - Full text

2019-04-10
15:40

Measurement of Differential Cross Sections for Single Diffractive Dissociation in $\sqrt{s} = 8 TeV$ pp collisions using the ATLAS ALFA Spectrometer
A dedicated sample of $\sqrt{s} = 8 TeV$ pp collision data from the Large Hadron Collider is used to study inclusive single diffractive dissociation, $pp \rightarrow Xp$. [...]
ATLAS-CONF-2019-012. - 2019. - 22 p.
Original Communication (restricted to ATLAS) - Full text

2019-03-29
16:05

Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, $b$-jets and missing transverse momentum
The result of a search for the pair production of the supersymmetric partner of the bottom-quark ($\tilde{b}$) using 139 fb$^{-1}$ of data collected at $\sqrt{s} = 13$ TeV by the ATLAS detector in Run 2 is reported. [...]
ATLAS-CONF-2019-011. - 2019. - 32 p.
Original Communication (restricted to ATLAS) - Full text

2019-03-29
16:02

Search for heavy neutral Higgs bosons produced in association with $b$-quarks and decaying to $b$-quarks at $\sqrt{s}=13$~TeV with the ATLAS detector
A search for heavy neutral Higgs bosons produced in association with one or two $b$-quarks and decaying to $b$-quark pairs is presented using 27.8 fb$^{-1}$ of $\sqrt{s}=13$~TeV proton--proton collision data recorded by the ATLAS detector at the Large Hadron Collider during 2015 and 2016. [...]
ATLAS-CONF-2019-010. - 2019. - 30 p.
Original Communication (restricted to ATLAS) - Full text

2019-03-21
18:02

Measurement of the CP violation phase $\phi_{s}$ in $B_{s}\to J/\psi \phi$ decays in ATLAS at 13 TeV
A measurement of the $B_{s}$ decay parameters using 80.5 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector from $13$ TeV $pp$ collisions at the LHC is presented. [...]
ATLAS-CONF-2019-009. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-03-21
11:57

Search for electroweak production of charginos and sleptons decaying in final states with two leptons and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions using the ATLAS detector
A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. [...]
ATLAS-CONF-2019-008. - 2019. - 27 p.
Original Communication (restricted to ATLAS) - Full text

2019-03-21
11:56

Search for New Phenomena in Dijet Events using 139 fb$^{−1}$ of $pp$ collisions at $\sqrt{s}$ = 13TeV collected with the ATLAS Detector
A search for new resonances decaying into two hadronic jets is reported using the entire dataset of proton-proton collisions recorded at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to an integrated luminosity of 139 fb$^{−1}$ . [...]
ATLAS-CONF-2019-007. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-03-21
10:55

Search for long-lived, massive particles in events with a displaced vertex and a displaced muon in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for long-lived particles decaying into at least one muon and hadrons is presented. [...]
ATLAS-CONF-2019-006. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-03-21
10:50

Combined measurements of Higgs boson production and decay using up to $80$ fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment
Combined measurements of Higgs boson production cross sections and branching fractions are presented. [...]
ATLAS-CONF-2019-005. - 2019. - 79 p.
Original Communication (restricted to ATLAS) - Full text

2019-03-19
20:29

Measurement of Higgs boson production in association with a $t\overline t$ pair in the diphoton decay channel using 139~fb$^{-1}$ of LHC data collected at $\sqrt{s} = 13$~TeV by the ATLAS experiment
The measurement of Higgs boson production in association with a top quark-antiquark pair in the diphoton decay channel ($H \to \gamma \gamma$) is presented, based on the analysis of 139~fb$^{-1}$ of proton-proton collision data with center-of-mass energy $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2019-004. - 2019.
Original Communication (restricted to ATLAS) - Full text

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