CERN Accelerating science

CERN Published Articles

Ostatnio dodane:
2019-03-19
06:54
Neutral meson and photon production at the LHC measured with the ALICE experiment / Matyja, A (Cracow, INP) /ALICE
The LHC provided pp collisions in the energy range $\sqrt{s}=0.9$ to $13$ TeV , p-Pb collisions at $\sqrt{\mathrm{S_{NN}}}=5.02$ and $8$ TeV , as well as Pb-Pb collisions at $\sqrt{\mathrm{S_{NN}}}=2.76$ and $5.02$ TeV. Neutral meson production spectra and their ratios $\eta/ \pi^0$ as well as photon double ratio $R_{\gamma}$ and direct photon spectra have been measured in a wide $p_{\mathrm{T}}$ range at mid-rapidity by the ALICE experiment. [...]
2018 - 8 p. - Published in : Nucl. Part. Phys. Proc. 300-302 (2018) 99-106
In : 21th High-Energy Physics International Conference in Quantum Chromodynamics, Montpellier, France, 2 - 6 Jul 2018, pp.99-106

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2019-03-19
06:54
Precise determination of $\alpha_S$ ($M_Z$) from global fits of $e^+ e^−$ data to NNLO+NNLL predictions / Verbytskyi, Andrii (Munich, Max Planck Inst.) ; Banfi, Andrea (Sussex U.) ; Kardos, Adam (MTA-DE, Debrecen ; Debrecen U.) ; Monni, Pier Francesco (CERN) ; Kluth, Stefan (Munich, Max Planck Inst.) ; Somogyi, Gábor (MTA-DE, Debrecen ; Debrecen U.) ; Szőr, Zoltán (Mainz U., Inst. Phys.) ; Trocsányi, Zoltán (MTA-DE, Debrecen ; Debrecen U.) ; Tulipánt, Zoltán (MTA-DE, Debrecen ; Debrecen U.) ; Zanderighi, Giulia (CERN)
We present a comparison of the computation of energy-energy correlations and Durham algorithm jet rates in $e^+e^−$ collisions at next-to-next-to-leading logarithmic accuracy matched with the next-to-next-to-leading order perturbative prediction to LEP, PEP, PETRA, SLC and TRISTAN data. With these predictions we perform global extractions of the strong coupling constant taking into account non-perturbative effects modelled with modern Monte Carlo event generators that simulate NLO QCD corrections..
2018 - 6 p. - Published in : Nucl. Part. Phys. Proc. 300-302 (2018) 87-92
In : 21th High-Energy Physics International Conference in Quantum Chromodynamics, Montpellier, France, 2 - 6 Jul 2018, pp.87-92

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2019-03-19
06:54
Searches for additional Higgs bosons at CMS / Grippo, M T (INFN, Pisa ; Pisa U.) /CMS
Description of a broad range of analyses about additional Higgs bosons in the contest of Beyond Standard Model (BSM) physics performed at the CMS experiment at LHC..
2018 - 6 p. - Published in : Nucl. Part. Phys. Proc. 300-302 (2018) 61-66 Fulltext from Publisher: PDF;
In : 21th High-Energy Physics International Conference in Quantum Chromodynamics, Montpellier, France, 2 - 6 Jul 2018, pp.61-66

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2019-03-19
06:54
Recursive engagement: the public as data analysts and outreach creators / Kalderon, William Charles (Lund U.) /ATLAS
Two recent outreach projects are making use of public communities to enhance and build upon the first phases set up by physicists. "ATLAScraft" is a recreation of ATLAS and the wider CERN complex in Minecraft. [...]
SISSA, 2018 - 7 p. - Published in : PoS LHCP2018 (2018) 303 Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.303

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2019-03-19
06:54
Recents results on electroweak boson production at LHCb / Sestini, Lorenzo (INFN, Padua) /LHCb
The LHCb experiment offers a complementary phase space to ATLAS and CMS to study electroweak processes, thanks to the forward acceptance and the large bandwidth of the trigger allowing low energy thresholds. For this reason electroweak measurements at LHCb can provide unique constraints to the Parton Distribution Functions.In these proceedings the latest measurements on $W$ and $Z$ bosons production performed during the LHC Run I and Run II data taking are presented..
SISSA, 2018 - 7 p. - Published in : PoS LHCP2018 (2018) 299 Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.299

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2019-03-19
06:54
Latest results on diboson and multiboson production from ATLAS experiment / Kharlamova, Tatyana A (Novosibirsk, IYF) /ATLAS
These proceedings are presenting an overview of the diboson and multiboson production cross-section results obtained by the ATLAS collaboration using proton-proton collisions at the LHC at CERN. The note is focused on the latest measurements of $ZZ$, $W^±Z$, $W^+W^-$ production at $\sqrt{s}$=13 TeV, of $W^+W^-$ and $W^±Z$ production in the semileptonic final state at 8 TeV and of triboson production at 8 TeV. [...]
SISSA, 2018 - 6 p. - Published in : PoS LHCP2018 (2018) 287 Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.287

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2019-03-19
06:54
Searches for long-lived particles with LHCb / Dall'Occo, Elena (Nikhef, Amsterdam) /LHCb
Many theories with physics beyond the Standard Model involve particles with a detectable decay length from the interaction point. This contribution summarises the LHCb approach to long-lived particle searches, with some highlights on specific studies performed with Run I data..
SISSA, 2018 - 7 p. - Published in : PoS LHCP2018 (2018) 281 Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.281

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2019-03-19
06:54
Towards Future Circular Colliders / Tomas, Rogelio (CERN) ; Benedikt, Michael (CERN) ; Hofer, Michael (CERN) ; Keintzel, Jacqueline (CERN) ; Zimmermann, Frank (CERN) /FCC collaboration
The international Future Circular Collider (FCC) study, launched in 2014, is finalizing a multi-volume conceptual design report. The FCC develops high-energy circular collider options based on a new 100 km tunnel. [...]
SISSA, 2018 - 7 p. - Published in : PoS LHCP2018 (2018) 268 Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.268

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2019-03-19
06:54
Experimental BSM prospects at the HL-LHC / Hoepfner, Kerstin (RWTH Aachen U.) /CMS ; ATLAS
This paper presents examples from the wealth of physics studies to determine the achievable sensitivity at the high-luminosity LHC. Beyond-the-standard-model (BSM) searches concern new heavy bosons, supersymmetric models, exotic signatures with displaced leptons and many more..
SISSA, 2018 - 6 p. - Published in : PoS LHCP2018 (2018) 261 Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.261

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2019-03-19
06:54
A Smart Framework for the Availability and Reliability Assessment and Management of Accelerators Technical Facilities / Serio, Luigi (CERN) ; Antonello, Federico (Milan, Polytech.) ; Baraldi, Piero (Milan, Polytech.) ; Castellano, Andrea (CERN ; Milan, Polytech.) ; Gentile, Ugo (CERN) ; Zio, Enrico (Milan, Polytech.)
CERN operates and maintains a large and complex technical infrastructure that serves the accelerator complex and experiments detectors. A performance assessment and enhancement framework based on data mining, artificial intelligence and machine-learning algorithms is under development with the objective of structuring, collecting and analysing the operation and failure data of the systems and equipment, to guide the identification and implementation of adequate corrective, preventive and consolidation interventions. [...]
2018 - 4 p. - Published in : (2018) , pp. WEPAF079
- Published in : J. Phys. : Conf. Ser.: 1067 (2018) , no. 7, pp. 072029 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF079

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