ATLAS Conference Notes

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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

2020-08-12
14:46

Observation and measurement of forward proton scattering in association with lepton pairs produced via the photon fusion mechanism at ATLAS
The observation of forward proton scattering in association with lepton pairs (electrons $e^+e^-+p$ or muons $\mu^+\mu^-+p$) produced via photon fusion is presented. [...]
ATLAS-CONF-2020-041. - 2020.
Original Communication (restricted to ATLAS) - Full text

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