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2013-05-22
09:47
A Vision for a European e‐Infrastructure for the 21st Century / Bird, Ian (CERN) ; Foster, David (CERN) ; Hemmer, Frédéric (CERN) ; Jones, Bob (CERN)
Over the past decade Europe has developed world‐leading expertise in building and operating very large scale federated and distributed e‐Infrastructures, supporting unprecedented scales of international collaboration in science, both within and across disciplines. [...]
CERN-OPEN-2013-018. - 2013. - 9 p.
Preprint

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2013-05-21
04:15
Measurement of the high-mass Drell--Yan differential cross-section in pp collisions at sqrt(s)=7 TeV with the ATLAS detector / ATLAS Collaboration
This Letter reports a measurement of the high-mass Drell-Yan differential cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. [...]
arXiv:1305.4192 ; CERN-PH-EP-2013-064. - 2013. - 8 p.
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2013-05-17
11:04
Les hodoscopes du spectrometre M2 / Brahy, J ; Rossa, E
SPS-EBP-Note-77-5. - 1977. - 16 p.
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2013-05-17
09:50
Measurement of the distributions of event-by-event flow harmonics in lead--lead collisions at $\sqrt{s_{NN}}$=2.76 TeV with the ATLAS detector at the LHC / ATLAS Collaboration
The distributions of event-by-event harmonic flow coefficients $v_n$ for n=2-4 are measured in $\sqrt{s_{NN}}$=2.76 TeV Pb+Pb collisions using the ATLAS detector at the LHC. [...]
arXiv:1305.2942 ; CERN-PH-EP-2013-044. - 2013. - 62 p.
Fulltext - Previous draft version - Preprint

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2013-05-17
04:13
Further exploration of top pair hadroproduction at NNLO / Czakon, Michal ; Fiedler, Paul ; Mitov, Alexander ; Rojo, Juan
Top quark pair production is one of the cornerstones of the physics program at hadron colliders. [...]
arXiv:1305.3892 ; CERN-PH-TH-2013-100 ; TTK-13-15. - 2013. - 8 p.
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2013-05-16
16:54
Testing Results for Nb-Ti, 120-mm-Aperture, Low-B Quadrupole Models for the LHC High-Luminosity Insertion / Kirby, G A ; Auchmann, B ; Bajko, M ; Charrondiere, M ; Bourcey, N ; Datskov, V I ; Fessia, P ; Feuvrier, J ; Galbraith, P ; Garcia Tabares, A et al.
The design and construction of a 120 mm wide-aperture, Nb-Ti superconducting quadrupole magnet for the LHC insertion region is part of a study towards a luminosity upgrade of the LHC at CERN, envisaged for 2020-22. [...]
CERN-ATS-2013-041. - 2013. - 6 p.

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2013-05-16
04:12
The Utility of Naturalness, and how its Application to Quantum Electrodynamics envisages the Standard Model and Higgs Boson / Wells, James D (CERN ; Michigan U.)
With the Higgs boson discovery and no new physics found at the LHC, confidence in Naturalness as a guiding principle for particle physics is under increased pressure. [...]
arXiv:1305.3434 ; CERN-PH-TH-2013-102. - 2013. - 7 p.
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2013-05-15
04:07
Long-range correlations in proton-lead collisions at $\sqrt{s_{NN}}$ = 5.02 TeV from ATLAS / Jia, Jiangyong (SUNY, Stony Brook, Chem. Dept. ; Brookhaven)
Two-particle correlations in relative azimuth $\Delta\phi$ and relative pseudorapidity $\Delta\eta$ are studied in p+Pb collisions at $\sqrt{s_{NN}}$=5.02 TeV with the ATLAS detector at LHC. [...]
arXiv:1305.2971. - 2013.
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2013-05-15
04:06
Optimal polarisation equations in FLRW universes / Tram, Thomas (IPT, Lausanne) ; Lesgourgues, Julien (IPT, Lausanne ; CERN ; Annecy, LAPTH)
This paper presents the linearised Boltzmann equation for photons for scalar, vector and tensor perturbations in flat, open and closed FLRW cosmologies. [...]
arXiv:1305.3261 ; CERN-PH-TH-2013-099 ; LAPTH-025-13. - 2013. - 27 p.
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2013-05-14
13:32
D meson elliptic flow in non-central Pb-Pb collisions at sqrts(s_NN) = 2.76TeV / ,
Azimuthally anisotropic distributions of D0, D+ and D*+ mesons were studied in the central rapidity region (|y|<0.8) in Pb-Pb collisions at a centre-of-mass energy sqrts(s_NN) = 2.76TeV per nucleon-nucleon collision, with the ALICE detector at the LHC. [...]
arXiv:1305.2707 ; CERN-PH-EP-2013-085. - 2013.
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