CERN Accelerating science

Published Articles

Ultimi arrivi:
2015-05-29
06:34
New challenges in unified theories / Zoupanos, G (CERN)
Among the research directions that we have presented during the Workshop SQS2011, we have chosen to discuss here in some detail the derivation of the effective action in four dimensions of the tendimensional N = 1 heterotic supergravity coupled to N = 1 supersymmetric Yang-Mills resulting from the dimensional reduction over nearly-Kaehler manifolds..
2012 - 5 p. - Published in : Phys. Part. Nucl. 43 (2012) 611-615

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2015-05-28
16:31
Cosmology / García-Bellido, J (Madrid, IFT)
In these lectures I review the present status of the so-called Standard Cosmological Model, based on the hot Big Bang Theory and the Inflationary Paradigm. I will make special emphasis on the recent developments in observational cosmology, mainly the acceleration of the universe, the precise measurements of the microwave background anisotropies, and the formation of structure like galaxies and clusters of galaxies from tiny primordial fluctuations generated during inflation..
Geneva : CERN, 2015 - 79 p. Published version from CERN: PDF;
In : 7th CERN - Latin-American School of High-Energy Physics, Arequipa, Peru, 6 - 19 Mar 2013, pp.291-368

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2015-05-28
15:17
Ultra-High-Energy Cosmic Rays / Dova, M T (La Plata, Inst. Natl. Phys. ; La Plata U. ; Buenos Aires, CONICET)
The origin of the ultra high energy cosmic rays (UHECR) with energies above E > 10 17 eV, is still unknown. The discovery of their sources will reveal the engines of the most energetic astrophysical accelerators in the universe. [...]
Geneva : CERN, 2015 - 22 p. Published version from CERN: PDF;
In : 7th CERN - Latin-American School of High-Energy Physics, Arequipa, Peru, 6 - 19 Mar 2013, pp.169-190

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2015-05-28
14:49
Flavour physics and CP violation / Nir, Y (Weizmann Inst.)
We explain the many reasons for the interest in flavor physics. We describe flavor physics and the related CP violation within the Standard Model, and explain how the B-factories proved that the Kobayashi-Maskawa mechanism dominates the CP violation that is observed in meson decays. [...]
Geneva : CERN, 2015 - 34 p. Published version from CERN: PDF;
In : 7th CERN - Latin-American School of High-Energy Physics, Arequipa, Peru, 6 - 19 Mar 2013, pp.123-156

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2015-05-28
10:45
Physics research as a project process : aesthetics in science, representation and technology, design concepts from new physics : a visual report from LHC-CERN / Brunetti, Federico Alberto (Milan Polytechnic)
2015
In : The visual language of technique, pp.151-154

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2015-05-28
08:21
Sling-on-a-Ring: Structure for an elevator to LEO / Meulenberg, Andrew ; Poston, Timothy
Various proposed space elevators may bypass the financial and environmental limits on rocket technology, but all have their own problems. A Low-Earth-Orbit, LEO, rotovator-based space-elevator version called 'sling-on-a-ring' may overcome them. [...]
arXiv:1505.07424.- 2015 - 8 p. - Published in : (2011) External link: Preprint

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2015-05-28
08:21
Preferential positioning of dopants and co-dopants in embedded and freestanding Si nanocrystals / Guerra, Roberto ; Ossicini, Stefano
In this work we aim at understanding the effect of n-type and p-type substitutional doping in the case of matrix-embedded and freestanding Si nanocrystals. By means of ab-initio calculations we identify the preferential positioning of the dopants and its effect on the structural properties with respect to the undoped case. [...]
arXiv:1505.07351.- 2015 - Published in : Journal of American Chemical Society 136 (2014) 9 External link: Preprint

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2015-05-28
08:21
Scalar dissipation rate measurements in a starting jet / Soulopoulos, N ; Hardalupas, Y ; Taylor, A M K P
Measurements of the scalar dissipation rate are performed in an impulsively started gas jet, using planar laser induced fluorescence. The measurements are well resolved spatially. [...]
arXiv:1505.07314.- 2015 - Published in : Experiments in Fluids, 2014. 55(3): p. 1-20 External link: Preprint

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2015-05-28
08:21
Network heterogeneity and node capacity lead to heterogeneous scaling of fluctuations in random walks on graphs / Kosmidis, Kosmas ; Beber, Moritz ; Hütt, Marc-Thorsten
Random walks are one of the best investigated dynamical processes on graphs. A particularly fascinating phenomenon is the scaling relationship of fluctuations $\sigma $ with the average flux $\langle f \rangle $. [...]
arXiv:1505.07282.- 2015 - 12 p. - Published in : Advances in Complex Systems, 1550007, 2015 External link: Preprint

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2015-05-28
08:21
Interpretation of surface diffusion data with Langevin simulations - a quantitative assessment / Diamant, Moshe ; Rahav, Saar ; Ferrando, Riccardo ; Alexandrowicz, Gil
Diffusion studies of adsorbates moving on a surface are often analyzed using 2D Langevin simulations. These simulations are computationally cheap and offer valuable insight into the dynamics, however, they simplify the complex interactions between the substrate and adsorbate atoms, neglecting correlations in the motion of the two species. [...]
arXiv:1505.07249.- 2015 - Published in : Cond. Mat. 27 (2015) 125008 External link: Preprint

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