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ATLAS Conference Notes

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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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2020-08-12
14:43
Search for supersymmetry in events with four or more charged leptons in $139\,\mathrm{fb}^{-1}$ $\sqrt{s}=13 \,$TeV $pp$ collisions with the ATLAS detector
A search for supersymmetry in events with four or more charged leptons (electrons, muons and taus) is presented. [...]
ATLAS-CONF-2020-040.
- 2020.
Original Communication (restricted to ATLAS) - Full text

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2020-08-12
14:42
Search for charged Higgs bosons decaying into a top-quark and a bottom-quark at $\sqrt s$ = 13 TeV with the ATLAS detector
This paper presents a search for charged Higgs bosons heavier than the top quark and decaying into a pair of top and bottom quarks. [...]
ATLAS-CONF-2020-039.
- 2020.
Original Communication (restricted to ATLAS) - Full text

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2020-08-12
14:22
Observation of photon-induced $W^+W^-$ production in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector
This note reports the observation of photon-induced production of $W$-boson pairs, $\gamma\gamma\rightarrow WW$. [...]
ATLAS-CONF-2020-038.
- 2020. - 35 p.
Original Communication (restricted to ATLAS) - Full text

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2020-08-11
00:20
Search for resonances decaying to photon pairs in 139 $fb^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector.
Searches for new resonances in the diphoton final state, with spin-0 as predicted by theories with an extended Higgs sector and with spin-2 using a warped extra-dimension benchmark model, are presented using 139 fb$^{-1}$ of $\sqrt{s} =$ 13TeV $pp$ collision data collected the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2020-037.
- 2020.
Original Communication (restricted to ATLAS) - Full text

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2020-08-11
00:19
Search for Dark Matter Produced in Association with a Dark Higgs Boson Decaying to $W^\pm W^\mp$ or $ZZ$ in Fully Hadronic Final States Using $pp$ Collisions at $\sqrt s=13$~TeV Recorded with the ATLAS Detector
Several extensions of the Standard Model predict the production of dark matter particles at the LHC. [...]
ATLAS-CONF-2020-036.
- 2020.
Original Communication (restricted to ATLAS) - Full text

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2020-08-11
00:18
Lepton Flavour Violation at the LHC : a search for $Z\to e\tau$ and $Z\to\mu\tau$ decays with the ATLAS detector
In the Standard Model of particle physics, three lepton families (flavours) are part of the fundamental blocks of matter. [...]
ATLAS-CONF-2020-035.
- 2020.
Original Communication (restricted to ATLAS) - Full text

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2020-08-11
00:10
Search for dark matter associated production with a single top quark in $\sqrt{s}=13$ TeV (pp) collisions with the ATLAS detector
This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudo-scalar mediator, which decays to the dark matter particles ($\chi$). [...]
ATLAS-CONF-2020-034.
- 2020.
Original Communication (restricted to ATLAS) - Full text

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2020-08-06
18:08
Combination of the ATLAS, CMS and LHCb results on the $B^0_{(s)} \to \mu^+\mu^-$ decays /CMS Collaboration ; LHCb Collaboration ; ATLAS Collaboration
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. The $B^0_s \to \mu^+\mu^-$ branching fraction is obtained to be $(2.69\,^{+\, 0.37}_{-\, 0.35}) \times 10^{-9}$ and the effective lifetime of the $B^0_s \to \mu^+\mu^-$ decay is measured to be $\tau_{B^0_s \to \mu^+\mu^-} = 1.91^{+0.37}_{-0.35}$ ps. [...]
CMS-PAS-BPH-20-003; LHCb-CONF-2020-002; ATLAS-CONF-2020-049.- Geneva : CERN, 2020 Figure_001-a: PDF; Figure_001-b: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_003: PDF; Figure_004: PDF; Fulltext in PDF: PDF;

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2020-08-03
11:58
Search for pair production of scalar leptoquarks decaying to first or second generation leptons and boosted hadronically decaying top quarks in $pp$ collisions at $\sqrt{s}=13 \ \mathrm{TeV}$ with the ATLAS detector
A search for pair production of scalar leptoquarks, each decaying to a top quark and either an electron or a muon, is presented. [...]
ATLAS-CONF-2020-033.
- 2020.
Original Communication (restricted to ATLAS) - Full text

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