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ATLAS PUB Notes

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2018-10-04
08:30
Prospects for Measurements of Photon-Induced Processes in Ultra-Peripheral Collisions of Heavy Ions with the ATLAS Detector in the LHC Runs 3 and 4
This note describes results which could be expected for measurements of photon-photon interactions in lead-lead collisions by the ATLAS experiment in the LHC Runs 3 and 4. [...]
ATL-PHYS-PUB-2018-018. - 2018.
Original Communication (restricted to ATLAS) - Full text

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2018-08-10
14:37
Determination of the parton distribution functions of the proton from ATLAS measurements of differential $W$ and $Z/\gamma^*$ and $t\bar{t}$ cross sections
An analysis of ATLAS data on inclusive $W^{\pm}$ and $Z/\gamma^*$ boson production and $t\bar{t}$ production in $pp$ collisions at the LHC is reported. [...]
ATL-PHYS-PUB-2018-017. - 2018. - 23 p.
Original Communication (restricted to ATLAS) - Full text

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2018-08-08
15:48
Prospects for $H\rightarrow c\bar c$ using Charm Tagging with the ATLAS Experiment at the HL-LHC
The expected sensitivity of a search for decays of the Higgs boson into charm quarks is estimated for the ATLAS detector at the HL-LHC, by extrapolating the results obtained using a dataset with an integrated luminosity of $36.1\ \text{fb}^{-1}$ at $\sqrt{s}=13\ \text{TeV}$. [...]
ATL-PHYS-PUB-2018-016. - 2018. - 13 p.
Original Communication (restricted to ATLAS) - Full text

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2018-07-16
13:22
Jet Mass Resolutions in ATLAS using Run 2 Monte Carlo Simulation
The jet mass resolution (JMR) and its uncertainty are amongst the limiting systematic effects for precision measurements and searches for physics beyond the Standard Model. [...]
ATL-PHYS-PUB-2018-015. - 2018.
Original Communication (restricted to ATLAS) - Full text

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2018-07-16
07:31
Performance of mass-decorrelated jet substructure observables for hadronic two-body decay tagging in ATLAS
Mass-decorrelated jet substructure observables have the potential to increase the sensitivity of searches for new physics in final states with high-$p_{\mathrm{T}}$ hadronically decaying resonances, both by minimising the sculpting of background jet mass distributions and enabling more robust background estimation. [...]
ATL-PHYS-PUB-2018-014. - 2018.
Original Communication (restricted to ATLAS) - Full text

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2018-07-16
07:29
Generalized Numerical Inversion: A Neural Network Approach to Jet Calibration
Jets that are reconstructed by the ATLAS detector are corrected to ensure that the reported energy is an unbiased measurement of the particle-level jet energy. [...]
ATL-PHYS-PUB-2018-013. - 2018.
Original Communication (restricted to ATLAS) - Full text

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2018-07-13
18:44
Track assisted techniques for jet substructure
The substructure of large-radius (large-$R$) jets provides an important handle to discriminate hadronic decays such as $W\to q{q}$, $H\to bb$, $H\to W(q{q})W^*(q{q})$, and $t\to W(q{q})b$ from QCD multijet backgrounds. [...]
ATL-PHYS-PUB-2018-012. - 2018.
Original Communication (restricted to ATLAS) - Full text

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2018-07-12
23:19
Impact of Pile-up on Jet Constituent Multiplicity in ATLAS
One of the biggest challenges facing jet constituent multiplicity measurements is contamination from extraneous sources of soft radiation, such as pile-up. [...]
ATL-PHYS-PUB-2018-011. - 2018.
Original Communication (restricted to ATLAS) - Full text

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2018-07-12
23:06
Impact of theory uncertainties related to Higgs boson production in the $H\rightarrow Z Z^{*}\rightarrow 4l$ and the $t\bar{t}H$ channels with the ATLAS detector at the HL-LHC
A study is presented on the impact of theory uncertainties related to the Higgs boson production in the $H \rightarrow Z Z^{*} \rightarrow 4l$, $t\bar{t}H,H\rightarrow \gamma\gamma$ and $t\bar{t}H$ multi-leptons channels, using 14 TeV proton-proton collisions at the High Luminosity LHC with 3000 $fb^{-1}$. [...]
ATL-PHYS-PUB-2018-010. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text

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2018-07-12
09:26
The new Fast Calorimeter Simulation in ATLAS
ATLAS relies on very large samples of simulated events for delivering high-quality and competitive physics results, but producing these samples is very CPU intensive when using the full GEANT4 detector simulation. [...]
ATL-SOFT-PUB-2018-002. - 2018.
Original Communication (restricted to ATLAS) - Full text

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