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ATLAS Notes

Ultimi arrivi:
2019-01-21
10:16
Measurement of fragmentation functions and 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 ATLAS at the LHC / Puri, Akshat (University of Illinois at Urbana-Champaign)
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can help in understanding the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. [...]
ATL-PHYS-PROC-2019-014.
- 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2019-01-21
10:14
Quality Control for ATLAS Inner Tracker Strip Sensor Production / Klein, Christoph (Cavendish Laboratory, University of Cambridge)
With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), scheduled to be installed in 2024, the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk) to maintain tracking performance in this high-occupancy environment and to cope with the increase of approximately a factor of ten in the integrated radiation dose. [...]
ATL-ITK-PROC-2019-001.
- 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2019-01-16
14:48
Higgs (general) at ATLAS / Yao, Wei-Ming (Lawrence Berkeley National Lab. (US))
The ATLAS Higgs results are reviewed using Run-2 data taken at a center-of-mass energy of 13 TeV with up to an integrated luminosity of 80 fb$^{-1}$. [...]
ATL-PHYS-PROC-2019-013.
- 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text

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2019-01-15
22:30
Top-antitop charge asymmetry measurements in the lepton+jets channel with the ATLAS detector / Melo, Matej (Comenius University)
We report a measurement of the charge asymmetry in top quark pair production with the ATLAS experiment at the LHC using 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 8$ TeV. [...]
ATL-PHYS-PROC-2019-012.
- 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2019-01-14
18:23
Charged-particle production in Pb+Pb and Xe+Xe collisions measured with the ATLAS detector / Balek, Petr (Department of Particle Physics, The Weizmann Institute of Science)
Measurements of charged-particle production in heavy-ion collisions and their comparison to $pp$ data provide insight into the properties of the quark-gluon plasma. [...]
ATL-PHYS-PROC-2019-011.
- 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2019-01-14
11:05
Photon and jet probes of small collision systems with ATLAS / Spousta, Martin (Charles University, Faculty of Mathematics and Physics, Prague)
Recent results from p+Pb collisions at the LHC provide important information for constraining initial state effects of nuclear collisions and possible modifications of parton distribution functions in the nuclear environment. [...]
ATL-PHYS-PROC-2019-010.
- 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2019-01-14
10:31
Top-antitop charge asymmetry measurements in the dilepton channel with the ATLAS detector / Kido, Shogo (Kobe University)
We report a measurement of the charge asymmetry $A_C$ in top quark pair production with the ATLAS experiment. [...]
arXiv:1901.04242 ; ATL-PHYS-PROC-2019-009.
- 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext

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2019-01-14
10:29
Top-quark mass at ATLAS and CMS / Tokar, Stanislav (Comenius University)
The top-quark mass measurements carried out by the LHC experiments, ATLAS and CMS, are summarized. [...]
ATL-PHYS-PROC-2019-008.
- 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2019-01-13
11:38
Fiducial cross-section measurements of top-quark pair production in association with a photon at $\sqrt{s}= 13$ TeV with the ATLAS detector / Smith, Joshua Wyatt (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
Top-quark pairs in association with final state particles are produced in large quantities at the LHC due to the high centre-of-mass energy available in proton-proton collisions. [...]
ATL-PHYS-PROC-2019-007.
- 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2019-01-12
17:10
Data-driven estimation of fake τ background in Higgs searches in ATLAS / Bahmani, Marzieh (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
In the ATLAS experiment at the LHC, analyses using reconstructed τ leptons, estimation of backgrounds arising for jets misidentified as hadronically decaying τs becomes a crucial issue. [...]
ATL-PHYS-PROC-2019-006.
- 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text

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