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ATLAS Preprints

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2019-08-14
22:36
Measurement of angular and momentum distributions of charged particles within and around jets in Pb+Pb and $pp$ collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with the ATLAS detector / ATLAS Collaboration
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can provide information about the mechanism of jet-quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. [...]
arXiv:1908.05264 ; CERN-EP-2019-158. - 2019. - 43 p, 43 p.
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2019-08-09
10:45
Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, $b$-jets and missing transverse momentum / ATLAS Collaboration
The result of a search for the pair production of the lightest supersymmetric partner of the bottom quark ($\tilde{b}_{1}$) using 139 fb$^{-1}$ of proton-proton data collected at $\sqrt{s} = 13$ TeV by the ATLAS detector is reported. [...]
arXiv:1908.03122 ; CERN-EP-2019-142. - 2019. - 47 p.
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2019-08-07
22:47
Measurement of the inclusive isolated-photon cross section in $pp$ collisions at $\sqrt{s}=13$ TeV using 36 fb$^{-1}$ of ATLAS data / ATLAS Collaboration
The differential cross section for isolated-photon production in $pp$ collisions is measured at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 36.1 fb$^{-1}$. [...]
arXiv:1908.02746 ; CERN-EP-2019-136. - 2019. - 49 p.
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2019-08-06
10:30
Generation and Simulation of R-Hadrons in the ATLAS Experiment
This note details the generation and simulation of metastable, long-lived particles with colour charge. [...]
ATL-PHYS-PUB-2019-019. - 2019. - 19 p.
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2019-08-01
09:32
Electron and photon performance measurements with the ATLAS detector using the 2015-2017 LHC proton-proton collision data / ATLAS Collaboration
This paper describes the reconstruction of electrons and photons with the ATLAS detector, as employed for measurements and searches exploiting the complete LHC Run 2 dataset. [...]
arXiv:1908.00005 ; CERN-EP-2019-145. - 2019. - 70 p.
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2019-07-31
06:17
Higgs couplings in ATLAS at Run2 / Gray, Heather M. (UC, Berkeley)
Since the discovery of the Higgs boson in summer 2012, the understanding of its properties has been a high priority of the ATLAS physics program. [...]
arXiv:1907.06297. - 7 p.
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2019-07-25
09:33
Measurement of $K_S^0$ and $\Lambda^0$ production in $t \bar{t}$ dileptonic events in $pp$ collisions at $\sqrt{s} =$ 7 TeV with the ATLAS detector / ATLAS Collaboration
Measurements of $K_S^0$ and $\Lambda^0$ production in $t\bar{t}$ final states have been performed. [...]
arXiv:1907.10862 ; CERN-EP-2019-112. - 2019. - 56 p, 56 p.
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2019-07-24
15:20
Measurement of $W^\pm$ boson production in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV with the ATLAS detector / ATLAS Collaboration
A measurement of $W^\pm$ boson production in lead-lead collisions at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV is reported using data recorded by the ATLAS experiment at the LHC in 2015, corresponding to a total integrated luminosity of 0.49 nb$^{-1}$. [...]
arXiv:1907.10414 ; CERN-EP-2019-123. - 2019. - 46 p.
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2019-07-23
21:32
Search for displaced vertices of oppositely charged leptons from decays of long-lived particles in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for long-lived particles decaying into an oppositely charged lepton pair, $\mu\mu$, $ee$, or $e\mu$, is presented using 32.8 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s} = 13$ TeV by the ATLAS detector at the LHC. [...]
arXiv:1907.10037 ; CERN-EP-2019-139. - 2019. - 34 p.
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2019-07-17
10:46
Measurement of the jet mass in high transverse momentum $Z(\rightarrow b\overline{b})\gamma$ production at $\sqrt{s}= 13$ TeV using the ATLAS detector / ATLAS Collaboration
The integrated fiducial cross-section and unfolded differential jet mass spectrum of high transverse momentum $Z\rightarrow b\overline{b}$ decays are measured in $Z\gamma$ events in proton-proton collisions at $\sqrt{s} = 13$ TeV. [...]
arXiv:1907.07093 ; CERN-EP-2019-115. - 2019. - 37 p.
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