CERN Accelerating science

ATLAS Preprints

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2018-10-22
11:22
Production, spectroscopy and properties of heavy hadrons / Galanti, Mario (Rochester U.) /ALICE,ATLAS,CMS and LHCB Collaborations
In this report I will describe the latest results of the ALICE, ATLAS, CMS, and LHCb experiments in the fields of production, spectroscopy, and properties of heavy hadrons. In particular, I will concentrate on measurements of quarkonium production cross sections, polarization, and mass, on measurements of production cross sections and lifetimes of open heavy flavors, on the recent observations of new states and decay modes, and on other searches for new and exotic hadrons..
CMS-CR-2018-206.- Geneva : CERN, 2018 - 9 p. Fulltext: PDF;
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018

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2018-10-22
11:15
Hadronic Tau reconstruction and identification performance in ATLAS and CMS / Galloni, Camilla (Zurich U.) /ATLAS and CMS Collaborations
The reconstruction and identification of hadronic tau lepton decays is an essential requisite of the ATLAS and CMS physics program, for what concerns both the standard model measurements and searches of new physics beyond the standard model. In the following, the ATLAS and CMS algorithms for the hadronic tau lepton decays reconstruction and identification are presented, together with the measurements of the most important performance figures and calibrations..
CMS-CR-2018-166.- Geneva : CERN, 2018 - 8 p. Fulltext: PDF;
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018

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2018-10-19
13:47
Measurements of $W$ and $Z$ boson production in $pp$ collisions at $\sqrt{s}=5.02$ TeV with the ATLAS detector
Measurements of fiducial integrated and differential cross sections for inclusive $W^+$, $W^-$ and $Z$ boson production are reported. [...]
CERN-EP-2018-259.
- 2018.
Fulltext - Previous draft version

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2018-10-12
10:39
Measurement of the $Z\gamma\rightarrow\nu\bar{\nu}\gamma$ production cross section in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings / ATLAS Collaboration
The production of $Z$ bosons in association with a high-energy photon ($Z\gamma$ production) is studied in the neutrino decay channel of the $Z$ boson using $pp$ collisions at $\sqrt{s} = 13$ TeV. [...]
arXiv:1810.04995 ; CERN-EP-2018-220.
- 2018. - 42 p.
Fulltext - Previous draft version - Fulltext

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2018-10-11
18:41
Measurement of the photon identification efficiencies with the ATLAS detector using LHC Run 2 data collected in 2015 and 2016 / ATLAS Collaboration
The efficiency of the photon identification criteria in the ATLAS detector is measured using 36.1 fb$^{-1}$ to 36.7 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV collected in 2015 and 2016. [...]
arXiv:1810.05087 ; CERN-EP-2018-216.
- 2018. - 55 p.
Fulltext - Previous draft version - Fulltext

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2018-10-10
18:27
Comparison between simulated and observed LHC beam backgrounds in the ATLAS experiment at $E_{\rm beam} = 4$ TeV / ATLAS Collaboration
Results of dedicated Monte Carlo simulations of beam-induced background (BIB) in the ATLAS experiment at the Large Hadron Collider (LHC) are presented and compared with data recorded in 2012. [...]
arXiv:1810.04450 ; CERN-EP-2018-240.
- 2018. - 44 p.
Fulltext - Previous draft version

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2018-10-06
04:44
Deep Neural Networks for Physics Analysis on low-level whole-detector data at the LHC / Bhimji, Wahid (LBNL, Berkeley) ; Farrell, Steven Andrew (LBNL, Berkeley) ; Kurth, Thorsten (LBNL, Berkeley) ; Paganini, Michela (LBNL, Berkeley ; Yale U.) ; Prabhat, (LBNL, Berkeley) ; Racah, Evan (LBNL, Berkeley)
There has been considerable recent activity applying deep convolutional neural nets (CNNs) to data from particle physics experiments. [...]
arXiv:1711.03573.
- 6 p.
Preprint

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2018-10-04
04:51
Muon Spectrometer Phase-I Upgrade for the ATLAS Experiment: the New Small Wheel project / Lefebvre, Benoit (McGill U.)
The instantaneous luminosity of the Large Hadron Collider at CERN will be increased by up to a factor of five to seven with respect to the design value. [...]
arXiv:1810.01394 ; CIPANP2018-Lefebvre.
- 10 p.
Fulltext

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2018-10-04
04:50
Searches for new phenomena in leptonic final states using the ATLAS detector / Rettie, Sébastien (TRIUMF)
Many theories beyond the Standard Model predict new phenomena which decay to well isolated, high-$p_{\text{T}}$ leptons. [...]
arXiv:1810.00030 ; CIPANP2018-Rettie.
- 8 p.

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2018-10-04
04:50
Mapping the depleted area of silicon diodes using a micro-focused X-ray beam / Poley, Luise (LBL, Berkeley) ; Blue, Andrew (Glasgow U.) ; Bloch, Ingo (DESY) ; Buttar, Craig (Glasgow U.) ; Fadeyev, Vitaliy (UC, Santa Cruz, Inst. Part. Phys.) ; Fernandez-Tejero, Javier (Barcelona, Inst. Microelectron.) ; Fleta, Celeste (Barcelona, Inst. Microelectron.) ; Hacker, Johannes (Unlisted, AT) ; Lacasta Llacer, Carlos (Valencia U., IFIC) ; Miñano, Mercedes (Valencia U., IFIC) et al.
For the Phase-II Upgrade of the ATLAS detector at CERN, the current ATLAS Inner Detector will be replaced with the ATLAS Inner Tracker. [...]
arXiv:1809.02667.
- 14 p.
Fulltext

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