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ATLAS Preprints

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2018-09-19
22:47
Measurement of photon-jet transverse momentum correlations in 5.02 TeV Pb+Pb and $pp$ collisions with ATLAS / ATLAS Collaboration
Jets created in association with a photon can be used as a calibrated probe to study energy loss in the medium created in nuclear collisions. [...]
arXiv:1809.07280 ; CERN-EP-2018-196. - 2018. - 39 p, 39 p.
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2018-09-18
17:02
Search for invisible Higgs boson decays in vector boson fusion at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
We report a search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles. [...]
arXiv:1809.06682 ; CERN-EP-2018-184. - 2018. - 40 p.
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2018-09-17
11:10
Experimental results using the decay of the Higgs to taus and muons / Meyer, Mareike (DESY) /ATLAS and CMS Collaborations
Precise measurements of the Higgs boson Yukawa couplings provide important tests of the Standard Model of particle physics. This review summarizes the current status of the analyses performed by the ATLAS and CMS experiments that search for the Higgs boson decay into a pair of muons. [...]
CMS-CR-2018-165.- 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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2018-09-15
04:46
Cosmic test of sTGC detector prototype made in China for ATLAS experiment upgrade / Zhao, Xiao (Shandong U.) ; Zhang, Dengfeng (Shandong U.) ; Li, Wenlong (Shandong U.) ; Li, Changyu (Shandong U.) ; Zhu, Chengguang (Shandong U.) ; Li, Han (Shandong U.) ; Liu, Shengquan (Hefei, CUST) ; Miao, Peng (Hefei, CUST) ; Du, Yanyan (Yantai U.) ; Duan, Yanyun (Shandong U.)
Following the Higgs particle discovery, the Large Hadron Collider complex will be upgraded in several phases allowing the luminosity to increase to $7 \times 10^{34}cm^{-2}s^{-1}$. [...]
arXiv:1808.08821. - 6 p.
Fulltext

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2018-08-31
14:20
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. [...]
arXiv:1808.10515 ; CERN-EP-2018-143. - 2018. - 43 p.
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2018-08-31
04:47
Construction techniques and performances of a full-size prototype Micromegas chamber for the ATLAS muon spectrometer upgrade / Alexopoulos, T. (Natl. Tech. U., Athens) ; Alviggi, M. (INFN, Naples ; Naples U.) ; Antonelli, M. (Frascati) ; Anulli, F. (INFN, Rome ; Rome U.) ; Arcangeletti, C. (Frascati) ; Bagnaia, P. (INFN, Rome ; Rome U.) ; Baroncelli, A. (INFN, Rome3 ; Rome III U.) ; Beretta, M. (Frascati) ; Bini, C. (INFN, Rome ; Rome U.) ; Bortfeldt, J. (CERN) et al.
A full-size prototype of a Micromegas precision tracking chamber for the upgrade of the ATLAS detector at the LHC Collider has been built between October 2015 and April 2016. [...]
arXiv:1808.09752. -
Preprint

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2018-08-28
15:00
Measurements of gluon-gluon fusion and vector-boson fusion Higgs boson production cross-sections in the $H \to WW^{\ast} \to e\nu\mu\nu$ decay channel in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Higgs boson production cross-sections in proton-proton collisions are measured in the $H \to WW^{\ast} \to e\nu\mu\nu$ decay channel. [...]
arXiv:1808.09054 ; CERN-EP-2018-212. - 2018. - 37 p.
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2018-08-24
20:18
Observation of $H \rightarrow b\bar{b}$ decays and $VH$ production with the ATLAS detector / ATLAS Collaboration
A search for the decay of the Standard Model Higgs boson into a $b\bar{b}$ pair when produced in association with a $W$ or $Z$ boson is performed with the ATLAS detector. [...]
arXiv:1808.08238 ; CERN-EP-2018-215. - 2018. - 56 p.
Interactions.org article - Fermilab News article - LiveScience article - Fulltext - Fulltext

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2018-08-24
04:58
Performance of CMOS pixel sensor prototypes in ams H35 and aH18 technology for the ATLAS ITk upgrade / Kiehn, Moritz (Geneva U.) ; Di Bello, Francesco Armando (Geneva U.) ; Benoit, Mathieu (Geneva U.) ; Casanova Mohr, Raimon (Barcelona, IFAE) ; Chen, Hucheng (Brookhaven Natl. Lab.) ; Chen, Kai (Brookhaven Natl. Lab.) ; Ehrler, Felix (Geneva U. ; KIT, Karlsruhe, IPE) ; Ferrere, Didier (Geneva U.) ; Frizell, Dylan (U. Oklahoma, Norman) ; Gonzalez Sevilla, Sergio (Geneva U.) et al.
Pixel sensors based on commercial high-voltage CMOS processes are an exciting technology that is considered as an option for the outer layer of the ATLAS inner tracker upgrade at the High Luminosity LHC. [...]
arXiv:1807.05953. - 6 p.
Preprint

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2018-08-23
20:53
Performance of top-quark and $W$-boson tagging with ATLAS in Run 2 of the LHC / ATLAS Collaboration
The performance of taggers for hadronically decaying top quarks and $W$ bosons in $pp$ collisions at $\sqrt{s} = 13$ TeV recorded by the ATLAS experiment at the Large Hadron Collider is presented. [...]
arXiv:1808.07858 ; CERN-EP-2018-192. - 2018. - 79 p.
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