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ATLAS Papers

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2021-11-16
11:48
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 / ATLAS Collaboration
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. [...]
arXiv:2111.08372 ; CERN-EP-2021-204.
- 2021. - 43 p.
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2021-11-16
08:51
Constraints on Higgs boson production with large transverse momentum using $H\rightarrow b\bar{b}$ decays in the ATLAS detector / ATLAS Collaboration
This paper reports constraints on Higgs boson production with transverse momentum above 1 TeV. [...]
arXiv:2111.08340 ; CERN-EP-2021-185.
- 2021. - 57 p.
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2021-11-12
14:21
Measurement of Higgs boson decay into $b$-quarks in associated production with a top-quark pair in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The associated production of a Higgs boson and a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. [...]
arXiv:2111.06712 ; CERN-EP-2021-202.
- 2021. - 58 p.
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2021-11-12
13:17
Measurements of azimuthal anisotropies of jet production in Pb+Pb collisions at $\sqrt{s_{NN}} =$ 5.02 TeV with the ATLAS detector / ATLAS Collaboration
The azimuthal variation of jet yields in heavy-ion collisions provides information about the path-length dependence of the energy loss experienced by partons passing through the hot, dense nuclear matter known as the quark-gluon plasma. [...]
arXiv:2111.06606 ; CERN-EP-2021-218.
- 2021. - 41 p.
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2021-10-26
09:40
Search for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV / ATLAS Collaboration
Searches are conducted for new spin-0 or spin-1 bosons using events where a Higgs boson with mass $125$ GeV decays into four leptons ($\ell =$ $e$, $\mu$). [...]
arXiv:2110.13673 ; CERN-EP-2021-193.
- 2021. - 65 p.
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2021-10-12
09:23
Measurement of the energy asymmetry in $t\bar{t}j$ production at 13 TeV with the ATLAS experiment and interpretation in the SMEFT framework / ATLAS Collaboration
A measurement of the energy asymmetry in jet-associated top-quark pair production is presented using 139 $\mathrm{fb}^{-1}$ of data collected by the ATLAS detector at the Large Hadron Collider during $pp$ collisions at $\sqrt{s}=13$ TeV. [...]
arXiv:2110.05453 ; CERN-EP-2021-181.
- 2021. - 52 p.
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2021-10-01
09:53
Search for Higgs boson decays into a pair of pseudoscalar particles in the $bb\mu\mu$ final state with the ATLAS detector in $pp$ collisions at $\sqrt{s}=13$ TeV / ATLAS Collaboration
This paper presents a search for decays of the Higgs boson with a mass of 125 GeV into a pair of new pseudoscalar particles, $H\rightarrow aa$, where one $a$-boson decays into a $b$-quark pair and the other into a muon pair. [...]
arXiv:2110.00313 ; CERN-EP-2021-157.
- 2021. - 44 p.
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2021-09-28
16:59
Constraints on Higgs boson properties using $WW^{*}(\rightarrow e\nu\mu\nu)jj$ production in 36.1 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
This article presents the results of two studies of Higgs boson properties using the $WW^*(\rightarrow e\nu\mu\nu)jj$ final state, based on a dataset corresponding to 36.1 fb$^{-1}$ of $\sqrt{s}=13$ TeV proton-proton collisions recorded by the ATLAS experiment at the Large Hadron Collider. [...]
arXiv:2109.13808 ; CERN-EP-2021-096.
- 2021. - 47 p.
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2021-09-21
16:43
Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector / ATLAS Collaboration
A technique is presented to measure the efficiency with which $c$-jets are mistagged as b-jets (mistagging efficiency) using $t\bar{t}$ events, where one of the $W$ bosons decays into an electron or muon and a neutrino and the other decays into a quark-antiquark pair. [...]
arXiv:2109.10627 ; CERN-EP-2021-166.
- 2021. - 39 p.
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2021-09-06
19:46
Operation and performance of the ATLAS semiconductor tracker in LHC Run 2 / ATLAS Collaboration
The semiconductor tracker (SCT) is one of the tracking systems for charged particles in the ATLAS detector. [...]
arXiv:2109.02591 ; CERN-EP-2021-178.
- 2021. - 55 p.
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