CERN Accelerating science

CERN Document Server Намерени са 238 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.66 секунди. 
1.
Search for new phenomena in events with two opposite-charge leptons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The results of a search for direct pair production of top squarks and for dark matter in events with two opposite-charge leptons (electrons or muons), jets and missing transverse momentum are reported, using 139 fb$^{-1}$ of integrated luminosity from proton-proton collisions at $\sqrt{s} = 13$ TeV, collected by the ATLAS detector at the Large Hadron Collider during Run 2 (2015-2018). This search considers the pair production of top squarks and is sensitive across a wide range of mass differences between the top squark and the lightest neutralino. [...]
arXiv:2102.01444; CERN-EP-2020-243.- Geneva : CERN, 2021-04-16 - 62 p. - Published in : JHEP 2104 (2021) 165 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
2.
Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$  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. The signal is characterised by the presence of a single charged lepton ($e^{\pm}$ or $\mu^{\pm}$) from a $W$ boson decay, jets, and missing transverse momentum. [...]
arXiv:2101.01629; CERN-EP-2020-228.- Geneva : CERN, 2021-10-29 - 33 p. - Published in : Eur. Phys. J. C Fulltext: 2101.01629 - PDF; document - PDF; Publication - PDF; Erratum - PDF; External link: Previous draft version
3.
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. Signal regions are employed to search for two-, three-, and four-body decays of the directly pair-produced supersymmetric partner of the top quark (stop). [...]
arXiv:2012.03799; CERN-EP-2020-177.- Geneva : CERN, 2021-04-19 - 66 p. - Published in : JHEP 2104 (2021) 174 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
4.
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. Processes where the pseudoscalar mediator is produced in association with a single top quark in the 2HDM+$a$ model are explored for the first time at the LHC. [...]
arXiv:2011.09308; CERN-EP-2020-184.- Geneva : CERN, 2021-10-01 - 53 p. - Published in : Eur. Phys. J. C 81 (2021) 860 Fulltext: 2011.09308 - PDF; document - PDF; Fulltext from publisher: PDF; External link: Previous draft version
5.
Search for dark matter in association with an energetic photon in pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at $\sqrt{s}$ = 13 TeV. The data, collected during 2015-2018 by the ATLAS experiment at the CERN LHC, correspond to an integrated luminosity of 139 ${fb}^{-1}$. [...]
arXiv:2011.05259; CERN-EP-2020-178.- Geneva : CERN, 2021-02-25 - 46 p. - Published in : JHEP 2102 (2021) 226 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
6.
Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb$^{-1}$ of $\sqrt{s}$ =13 TeV $pp$ collision data with the ATLAS detector / ATLAS Collaboration
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded by the ATLAS experiment in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2010.14293; CERN-EP-2020-166.- Geneva : CERN, 2021-02-17 - 64 p. - Published in : JHEP 2102 (2021) 143 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
7.
Search for dark matter produced in association with a dark Higgs boson decaying into $W^\pm W^\mp$ or $ZZ$ in fully hadronic final states from $\sqrt{s}=13$ TeV $pp$ collisions recorded with the ATLAS detector / ATLAS Collaboration
Several extensions of the Standard Model predict the production of dark matter particles at the LHC. An uncharted signature of dark matter particles produced in association with $VV=W^\pm W^\mp$ or $ZZ$ pairs from a decay of a dark Higgs boson $s$ is searched for using 139 fb$^{-1}$ of $pp$ collisions recorded by the ATLAS detector at a center-of-mass energy of 13 TeV. [...]
arXiv:2010.06548; CERN-EP-2020-172.- Geneva : CERN, 2021-03-27 - 21 p. - Published in : Phys. Rev. Lett. 126 (2021) 121802 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF; External link: Previous draft version
8.
Observation of photon-induced $W^+W^-$ production in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector / ATLAS Collaboration
This letter reports the observation of photon-induced production of $W$-boson pairs, $\gamma\gamma\rightarrow WW$. The analysis uses 139 fb$^{-1}$ of LHC proton-proton collision data taken at $\sqrt{s}=13$ TeV recorded by the ATLAS experiment during the years 2015-2018. [...]
arXiv:2010.04019; CERN-EP-2020-165.- Geneva : CERN, 2021-05-10 - 24 p. - Published in : Phys. Lett. B 816 (2021) 136190 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
9.
Search for charged-lepton-flavour violation in Z-boson decays with the ATLAS detector / ATLAS Collaboration
Leptons with essentially the same properties apart from their mass are grouped into three families (or flavours). The number of leptons of each flavour is conserved in interactions, but this is not imposed by fundamental principles. [...]
arXiv:2010.02566; CERN-EP-2020-163.- Geneva : CERN, 2021-07-01 - 24 p. - Published in : Nature Phys. 17 (2021) 819 Fulltext: 2010.02566 - PDF; document - PDF; Fulltext from publisher: PDF; External link: Previous draft version
10.
Search for pair production of scalar leptoquarks decaying into first- or second-generation leptons and top quarks in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for pair production of scalar leptoquarks, each decaying into either an electron or a muon and a top quark, is presented. This is the first leptoquark search using ATLAS data to investigate top-philic cross-generational couplings that could provide explanations for recently observed anomalies in $B$ meson decays. [...]
arXiv:2010.02098; CERN-EP-2020-160.- Geneva : CERN, 2021-04-12 - 30 p. - Published in : Eur. Phys. J. C 81 (2021) 313 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version

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