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CERN Document Server Sök i 455 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.69 sekunder. 
1.
A search for pairs of highly collimated photon-jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
Results of a search for the pair production of photon-jets - collimated groupings of photons - in the ATLAS detector at the Large Hadron Collider are reported. Highly collimated photon-jets can arise from the decay of new, highly boosted particles that can decay to multiple photons collimated enough to be identified in the electromagnetic calorimeter as a single, photon-like energy cluster. [...]
arXiv:1808.10515; CERN-EP-2018-143.- Geneva : CERN, 2019-01-19 - 29 p. - Published in : Phys. Rev. D 99 (2019) 012008 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
2.
Observation of centrality-dependent acoplanarity for muon pairs produced via two-photon scattering in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents a measurement of $\gamma \gamma \rightarrow \mu^{+} \mu^{-}$ production in Pb+Pb collisions recorded by the ATLAS detector at the Large Hadron Collider at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with an integrated luminosity of 0.49 nb$^{-1}$. The azimuthal angle and transverse momentum correlations between the muons are measured as a function of collision centrality. [...]
arXiv:1806.08708; CERN-EP-2018-100.- Geneva : CERN, 2018-11-20 - 21 p. - Published in : Phys. Rev. Lett. 121 (2018) 212301 Fulltext: PDF; Fulltext from Publisher: PDF; External link: Previous draft version
3.
Operation and performance of the ATLAS Tile Calorimeter in Run 1 / ATLAS Collaboration
The Tile Calorimeter is the hadron calorimeter covering the central region of the ATLAS experiment at the Large Hadron Collider. Approximately 10000 photomultipliers collect light from scintillating tiles acting as the active material sandwiched between slabs of steel absorber. [...]
arXiv:1806.02129; CERN-EP-2018-062.- Geneva : CERN, 2018-11-30 - 69 p. - Published in : Eur. Phys. J. C 78 (2018) 987 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; External link: Figures, tables and other information
4.
Search for pair production of heavy vector-like quarks decaying into high-$p_{\rm T}$ $W$ bosons and top quarks in the lepton-plus-jets final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for the pair production of heavy vector-like $B$ quarks, primarily targeting $B$ quark decays into a $W$ boson and a top quark. The search is based on 36.1 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. [...]
arXiv:1806.01762; CERN-EP-2018-088.- Geneva : CERN, 2018-08-10 - 41 p. - Published in : JHEP 1808 (2018) 048 Article from SCOAP3: PDF; Fulltext: 1806.01762 - PDF; arXiv:1806.01762 - PDF; External link: Previous draft version
5.
Search for new phenomena using the invariant mass distribution of same-flavour opposite-sign dilepton pairs in events with missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for new phenomena in final states containing an $e^+e^-$ or $\mu^+\mu^-$ pair, jets, and large missing transverse momentum is presented. This analysis makes use of proton--proton collision data with an integrated luminosity of $36.1 \; \mathrm{fb}^{-1}$, collected during 2015 and 2016 at a centre-of-mass energy $\sqrt{s}$ = 13 TeV with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:1805.11381; CERN-EP-2018-053.- Geneva : CERN, 2018-08-06 - 61 p. - Published in : Eur. Phys. J. C 78 (2018) 625 Article from SCOAP3: PDF; Fulltext: 1805.11381 - PDF; 10.1140_epjc_s10052-018-6081-9 - PDF; External link: Previous draft version
6.
Search for resonances in the mass distribution of jet pairs with one or two jets identified as $b$-jets in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for new resonances decaying into jets containing b-hadrons in $pp$ collisions with the ATLAS detector at the LHC is presented in the dijet mass range from 0.57 TeV to 7 TeV. The dataset corresponds to an integrated luminosity of up to 36.1 fb$^{-1}$ collected in 2015 and 2016 at $\sqrt{s} = 13$ TeV. [...]
arXiv:1805.09299; CERN-EP-2018-075.- Geneva : CERN, 2018-08-30 - 35 p. - Published in : Phys. Rev. D 98 (2018) 032016 Article from SCOAP3: PDF; Fulltext: 1805.09299 - PDF; arXiv:1805.09299 - PDF; External link: Previous draft version
7.
Measurement of dijet azimuthal decorrelations in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector and determination of the strong coupling / ATLAS Collaboration
A measurement of the rapidity and transverse momentum dependence of dijet azimuthal decorrelations is presented, using the quantity $R_{\Delta \phi}$. The quantity $R_{\Delta \phi}$ specifies the fraction of the inclusive dijet events in which the azimuthal opening angle of the two jets with the highest transverse momenta is less than a given value of the parameter $\Delta \phi_\mathrm{max}$. [...]
arXiv:1805.04691; CERN-EP-2017-282.- Geneva : CERN, 2018-11-07 - 31 p. - Published in : Phys. Rev. D 98 (2018) 092004 Article from SCOAP3: PDF; Fulltext: 1805.04691 - PDF; rdphi_lxplus - PDF; External link: Previous draft version
8.
Prompt and non-prompt $J/\psi $ and $\psi (2\mathrm {S})$ suppression at high transverse momentum in $5.02~\mathrm {TeV}$ Pb+Pb collisions with the ATLAS experiment / ATLAS Collaboration
A measurement of $J/\psi$ and $\psi(2\mathrm{S})$ production is presented. It is based on a data sample from Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV and $pp$ collisions at $\sqrt{s}$ = 5.02 TeV recorded by the ATLAS detector at the LHC in 2015, corresponding to an integrated luminosity of $0.42\mathrm{nb}^{-1}$ and $25\mathrm{pb}^{-1}$ in Pb+Pb and $pp$, respectively. [...]
arXiv:1805.04077; CERN-EP-2018-049.- Geneva : CERN, 2018-09-21 - 39 p. - Published in : Eur. Phys. J. C 78 (2018) 762 Article from SCOAP3: PDF; Fulltext: PDF;
9.
Angular analysis of $B^0_d \to K^{*}\mu^+\mu^-$ decays in $pp$ collisions at $\sqrt{s}= 8$ TeV with the ATLAS detector / ATLAS Collaboration
An angular analysis of the decay $B^0_d \rightarrow K^{*}\mu^+\mu^-$ is presented, based on proton-proton collision data recorded by the ATLAS experiment at the LHC. The study is using 20.3 fb$^{-1}$ of integrated luminosity collected during 2012 at centre-of-mass energy of $\sqrt{s}=8$ TeV. [...]
arXiv:1805.04000; CERN-EP-2017-161.- Geneva : CERN, 2018-10-08 - 47 p. - Published in : JHEP 10 (2018) 047 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; External link: Previous draft version
10.
Measurement of colour flow using jet-pull observables in $t\bar{t}$ events with the ATLAS experiment at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
Previous phenomenological studies and measurements have shown that weighted angular moments derived from jet constituents encode the colour connections between initiating partons that seed the jets. This paper presents measurements of two such distributions, the jet-pull angle and jet-pull magnitude, both of which are derived from the jet-pull angular moment. [...]
arXiv:1805.02935; CERN-EP-2018-041.- Geneva : CERN, 2018-10-22 - 45 p. - Published in : Eur. Phys. J. C 78 (2018) 847 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: 1805.02935 - PDF; 10.1140_epjc_s10052-018-6290-2 - PDF; External link: Previous draft version

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