ATLAS Conference Notes

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2020-10-06
18:34

Search for displaced leptons in $\sqrt{s} = 13$ TeV pp collisions with the ATLAS detector
A search for charged leptons with large impact parameters using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV $pp$ data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. [...]
ATLAS-CONF-2020-051. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-09-15
13:21

Measurements of $b$-jet moments sensitive to $b$-quark fragmentation in $t \bar{t}$ events at the LHC with the ATLAS detector
The measurement of several observables sensitive to the fragmentation of $b$-quarks with 36 fb${}^{-1}$ of $\sqrt s = 13$ TeV LHC data are presented. [...]
ATLAS-CONF-2020-050. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
16:04

Combination of the ATLAS, CMS and LHCb results on the $B^0_{(s)}\to\mu^+\mu^-$ decays.
A combination of results on the rare $B^0_s\to\mu^+\mu^-$ and $B^0\to\mu^+\mu^-$ decays from the ATLAS, CMS, and LHCb experiments using data collected at the Large Hadron Collider between 2011 and 2016, is presented. [...]
ATLAS-CONF-2020-049. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
16:03

Search for new phenomena in events with jets and missing transverse momentum in p p collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Search for new phenomena in events with jets and missing transverse momentum in p p collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector An overall agreement is observed between the number of events in data and Standard Model predictions. [...]
ATLAS-CONF-2020-048. - 2020. - 41 p.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
16:02

Search for squarks and gluinos in final states with an isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$ TeV with the ATLAS detector
The results of a search for gluino and squark pair production $pp \rightarrow \tilde{q}\tilde{q}$, $pp \rightarrow \tilde{g}\tilde{g}$ decaying via charginos ($\tilde\chi^\pm_1$) to a final state consisting of a $W$ boson, the lightest neutralino ($\tilde\chi^0_1$), and quarks are presented. [...]
ATLAS-CONF-2020-047. - 2020. - 29 p.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
16:00

Search for new phenomena in events with two opposite-charge leptons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
The results of a search for direct pair production of top squarks and for dark matter in events with two opposite-charge leptons (electrons or muons), jets and missing transverse momentum are reported, using 139 fb$^{-1}$ of integrated luminosity from proton-proton collisions at $\sqrt{s}=13$ TeV, collected by the ATLAS detector at the Large Hadron Collider during Run-2 (2015-2018). [...]
ATLAS-CONF-2020-046. - 2020. - 45 p.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
15:56

Observation of vector-boson-fusion production of Higgs bosons in the $H{\rightarrow\,}WW^{\ast}{\rightarrow\,}e\nu\mu\nu$ decay channel in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
An observation of vector-boson-fusion (VBF) production of Higgs bosons in the $H{\rightarrow\,}WW^{\ast}{\rightarrow\,}e\nu\mu\nu$ decay channel is presented. [...]
ATLAS-CONF-2020-045. - 2020. - 22 p.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
15:55

Search for Higgs boson production in association with a high-energy photon via vector boson fusion with decay to bottom quark pairs at $\sqrt{s}=$13 TeV with the ATLAS detector
A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. [...]
ATLAS-CONF-2020-044. - 2020. - 18 p.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
15:54

Search for heavy resonances decaying into a $Z$ boson and a Higgs boson in final states with leptons and $b$-jets in $139~fb^{-1}$ of $pp$ collisions at $\sqrt{s}=13 {TeV}$ with the ATLAS detector
This note presents a search for new resonances decaying into a $Z$ boson and a $125~ GeV$ Higgs boson in the $\nu\nu bb$ and $\ell\ell bb$ final states, where $\ell=e^{\pm}$ or $\mu^{\pm}$, in $pp$ collisions at $\sqrt{s}=13~TeV$ [...]
ATLAS-CONF-2020-043. - 2020. - 18 p.
Original Communication (restricted to ATLAS) - Full text

2020-08-14
15:42

Measurements of differential cross-sections in four-lepton events in 13 TeV proton-proton collisions with the ATLAS detector
Measurements of four-lepton differential and integrated fiducial cross-sections in events with two same-flavour, opposite-charge electron or muon pairs are presented. [...]
ATLAS-CONF-2020-042. - 2020. - 40 p.
Original Communication (restricted to ATLAS) - Full text

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