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ATLAS Notes

Posledne pridané:
2021-08-04
18:40
Search for Higgs bosons decaying to new spin-0 or spin-1 particles in four-lepton final states at the ATLAS detector with 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV
Searches are conducted for new spin-0 or spin-1 bosons using events where a Higgs boson with mass $125$ GeV decays to four leptons ($\ell =$ $e$, $\mu$). [...]
ATLAS-CONF-2021-034.
- 2021. - 49 p.
Original Communication (restricted to ATLAS) - Full text

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2021-08-04
07:40
Efficiency corrections for a tagger for boosted $H\rightarrow b\bar{b}$ decays in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The identification of massive particles decaying into bottom-antibottom quark pairs at high transverse momenta in ATLAS is performed using a multivariate algorithm, denoted an $X \rightarrow b\bar{b}$ tagger. [...]
ATL-PHYS-PUB-2021-035.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-07-30
18:58
A precise interpretation for the top quark mass parameter in ATLAS Monte Carlo simulation
This note relates the top quark mass parameter in simulated pp collisions with a 13 TeV centre-of-mass-energy produced by ATLAS to a well-defined field-theoretical mass scheme. [...]
ATL-PHYS-PUB-2021-034.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-07-29
19:06
ATLAS LAr Calorimeter commissioning for LHC Run-3 / Selem, Luka (Centre National de la Recherche Scientifique (FR))
The ATLAS experiment at the Large Hadron Collider (LHC) measures proton--proton collisions at high energies. [...]
ATL-LARG-PROC-2021-003.
- 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2021-07-29
18:27
Measurements of the production cross section of a $Z$ boson in association with high transverse momentum jets in $pp$ collisions at $\sqrt{s} = 13$~TeV with the ATLAS detector
Measurements of the production cross section of a $Z$ boson in association with at least one high transverse momentum jet are presented, separating topologies corresponding to the emission of a $Z$ boson from dijet events and topologies with a boosted $Z$ recoiling against a high-energy jet. [...]
ATLAS-CONF-2021-033.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-07-29
18:25
Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in $pp$ collisions at $\sqrt{s}=13$ TeV
A search for events with two displaced vertices from long-lived particles (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2021-032.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-07-29
18:24
Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top quark pair production with the ATLAS detector
Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than $355$ GeV are presented using 139 fb$^{-1}$ of data collected by the ATLAS experiment during proton-proton collisions at the LHC. [...]
ATLAS-CONF-2021-031.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-07-29
18:23
Search for resonant and non-resonant Higgs boson pair production in the $b\bar b\tau^+\tau^-$ decay channel using 13 TeV $pp$ collision data from the ATLAS detector
A search for Higgs boson pair production in events with two $b$-jets and two $\tau$-leptons is presented, using a $pp$ collision data set with an integrated luminosity of $139~\text{fb}^{-1}$ collected at $\sqrt{s}=13~\text{TeV}$ by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2021-030.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-07-29
18:21
Search for associated production of a $Z$ boson with an invisibly decaying Higgs boson or dark matter candidates at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying $Z$ boson, are presented. [...]
ATLAS-CONF-2021-029.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-07-29
18:18
Search for new phenomena in final states with photons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for new phenomena has been performed in final states with at least one isolated high momentum photon, jets and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
ATLAS-CONF-2021-028.
- 2021. - 20 p.
Original Communication (restricted to ATLAS) - Full text

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ATLAS Conference Contributions (4,853)
ATLAS PUB Notes (2,891)
ATLAS Conference Notes (1,090)