# ATLAS Papers

2021-12-02
15:37
 Search for flavour-changing neutral-current interactions of a top quark and a gluon in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector A search is presented for the production of a single top quark via left-handed flavour-changing neutral-current (FCNC) interactions of a top quark, a gluon and an up or charm quark. [...] CERN-EP-2021-234. - 2021. Fulltext - Previous draft version

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext

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. Fulltext - Previous draft version - Fulltext