ATLAS Papers

2021-01-12
19:14
 The ATLAS Fast TracKer system / ATLAS Collaboration The ATLAS Fast TracKer (FTK) was designed to provide full tracking for the ATLAS high-level trigger by using pattern recognition based on Associative Memory (AM) chips and fitting in high-speed field programmable gate arrays. [...] arXiv:2101.05078 ; CERN-EP-2020-232. - 2021. - 64 p. Fulltext - Previous draft version - Fulltext

2021-01-12
19:07
 Determination of the parton distribution functions of the proton from ATLAS measurements of differential $W^\pm$ and $Z$ boson production in association with jets / ATLAS Collaboration This article presents a new set of proton parton distribution functions, ATLASepWZVjet20, produced in an analysis at next-to-next-to-leading order in QCD. [...] arXiv:2101.05095 ; CERN-EP-2020-237. - 2021. - 41 p. Fulltext - Previous draft version - Fulltext

2021-01-05
13:07
 Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration The results of a search for gluino and squark pair production with the pairs decaying via the lightest charginos into a final state consisting of two $W$ bosons, the lightest neutralinos ($\tilde{\chi^0_1}$), and quarks, are presented. [...] arXiv:2101.01629 ; CERN-EP-2020-228. - 2021. - 48 p. Fulltext - Previous draft version - Fulltext

2020-12-07
16:46
 Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in $pp$ collisions at $\sqrt{s}$= 13 TeV with the ATLAS detector / ATLAS Collaboration A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. [...] arXiv:2012.03799 ; CERN-EP-2020-177. - 2020. - 67 p. Fulltext - Previous draft version - Fulltext

2020-12-02
09:35
 Muon reconstruction and identification efficiency in ATLAS using the full Run 2 $pp$ collision data set at $\sqrt{s}=13$ TeV This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV collected between 2015 and 2018 during Run 2 of the LHC [...] CERN-EP-2020-199. - 2020. Fulltext - Previous draft version

2020-11-24
17:59
 Exclusive dimuon production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with ATLAS / ATLAS Collaboration Exclusive dimuon production in ultraperipheral collisions (UPC), resulting from photon-photon interactions in the strong electromagnetic fields of colliding high-energy lead nuclei, $\mathrm{PbPb} (\gamma\gamma) \rightarrow \mu\mu (\mathrm{Pb}^{(\star)}\mathrm{Pb}^{(\star)} )$, is studied using $\mathcal{L}_{\mathrm{int}} = 0.48$ nb$^{-1}$ of $\sqrt{s_\mathrm{NN}}=5.02$ TeV lead-lead collision data at the LHC with the ATLAS detector. [...] arXiv:2011.12211 ; CERN-EP-2020-138. - 2020. - 50 p. Fulltext - Previous draft version - Fulltext

2020-11-23
09:22
 Search for trilepton resonances from chargino and neutralino pair production in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration A search is performed for the electroweak pair production of charginos and associated production of a chargino and neutralino, each of which decays through an $R$-parity-violating coupling into a lepton and a $W, \, Z$, or Higgs boson. [...] arXiv:2011.10543 ; CERN-EP-2020-201. - 2020. - 51 p. Fulltext - Previous draft version - Fulltext

2020-11-18
09:36
 Search for dark matter produced in association with a single top quark in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, $a$, which decays into the dark-matter particles. [...] arXiv:2011.09308 ; CERN-EP-2020-184. - 2020. - 53 p. Fulltext - Previous draft version - Fulltext

2020-11-17
11:45
 Measurements of Higgs Bosons Decaying to Bottom Quarks from Vector Boson Fusion Production with the ATLAS Experiment at $\sqrt{s}=13$ TeV / ATLAS Collaboration The paper presents a measurement of the Standard Model Higgs Boson decaying to $b$-quark pairs in the vector boson fusion (VBF) production mode. [...] arXiv:2011.08280 ; CERN-EP-2020-195. - 2020. - 43 p. Fulltext - Previous draft version - Fulltext

2020-11-13
13:00
 Search for displaced leptons in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration A search for charged leptons with large impact parameters using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV $pp$ collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. [...] arXiv:2011.07812 ; CERN-EP-2020-205. - 2020. - 29 p. Fulltext - Previous draft version - Fulltext