ATLAS Conference Notes

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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

2019-08-10
18:50

Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb$^{-1}$ of $\sqrt{s}$ =13 TeV $pp$ collision data with the ATLAS detector
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. [...]
ATLAS-CONF-2019-040. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-08-10
09:55

Evidence for electroweak production of two jets in association with a $Z\gamma$ pair in $pp$ collisions at $\sqrt{s} = 13~$TeV with the ATLAS detector
Evidence for electroweak production of two jets in association with a $Z\gamma$ pair in $\sqrt{s} = 13~$TeV proton--proton collisions at the Large Hadron Collider is presented. [...]
ATLAS-CONF-2019-039. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-08-08
17:46

Search for the decays of the Higgs boson $H \to ee$ and $H \to e\mu$ in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Searches for the decay of the Higgs boson $H \to ee$ and $H \to e \mu$ are performed using data corresponding to an integrated luminosity of 139 bf$^{-1}$ collected with the ATLAS detector in $pp$ collisions at $\sqrt{s}=$13 TeV at the LHC. [...]
ATLAS-CONF-2019-037. - 2019. - 18 p.
Original Communication (restricted to ATLAS) - Full text

2019-08-05
18:05

Measurement of the top-quark decay width in top-quark pair events in the dilepton channel at $\sqrt{s}=13$ TeV with the ATLAS detector
A direct measurement of the top-quark decay width using data collected with the ATLAS experiment at $\sqrt{s}=13$ TeV is presented. [...]
ATLAS-CONF-2019-038. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-08-05
09:17

Search for a new resonance in the $bj\mu\mu$ final state at a dimuon invariant mass around 28 GeV with ATLAS $pp$ data collected at $\sqrt{s} = $ 8 and 13 TeV
A search for a resonance decaying to two muons in the dimuon invariant mass range between 26-30 GeV and produced in association with a $b$-jet and an additional jet, is presented. [...]
ATLAS-CONF-2019-036. - 2019.
Original Communication (restricted to ATLAS) - Full text

2019-07-25
10:39

Measurement of the Lund Jet Plane using charged particles with the ATLAS detector from 13 TeV proton--proton collisions
The prevalence of hadronic jets at the Large Hadron Collider (LHC) requires that a deep understanding of jet formation and structure must be achieved in order to reach the highest levels of experimental and theoretical precision. [...]
ATLAS-CONF-2019-035. - 2019. - 15 p.
Original Communication (restricted to ATLAS) - Full text

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