CERN Accelerating science

CERN Preprints

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2018-05-19
23:27
Universal Imprints of a Pseudo-Nambu-Goldstone Higgs Boson / Liu, Da (Argonne) ; Low, Ian (Argonne ; Northwestern U. ; CERN) ; Yin, Zhewei (Northwestern U.)
A large class of models addressing the electroweak naturalness problem postulates the existence of new spontaneously broken global symmetries above the weak scale. [...]
arXiv:1805.00489 ; CERN-TH-2018-100.
- 5 p.
Preprint

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2018-05-19
23:25
Effects of Resonant and Random Excitations on the Proton Beam in the Large Hadron Collider, with Applications to the Design of Pulsed Hollow Electron Lenses for Active Halo Control / Fitterer, Miriam (Fermilab) ; Stancari, Giulio (Fermilab) ; Valishev, Alexander (Fermilab) ; Redaelli, Stefano (CERN) ; Valuch, Daniel (CERN)
We present the results of numerical simulations and experimental studies about the effects of resonant and random excitations on proton losses, emittances, and beam distributions in the Large Hadron Collider (LHC). [...]
FERMILAB-PUB-18-084-AD-APC ; arXiv:1804.07418.
- 30 p.
FERMILABPUB - Fulltext - Fulltext

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2018-05-19
18:58
Effects of Resonant and Random Excitations on the Proton Beam in the Large Hadron Collider, with Applications to the Design of Pulsed Hollow Electron Lenses for Active Halo Control / Fitterer, Miriam (Fermilab) ; Stancari, Giulio (Fermilab) ; Valishev, Alexander (Fermilab) ; Redaelli, Stefano (CERN) ; Valuch, Daniel (CERN)
We present the results of numerical simulations and experimental studies about the effects of resonant and random excitations on proton losses, emittances, and beam distributions in the Large Hadron Collider (LHC). [...]
FERMILAB-PUB-18-084-AD-APC ; arXiv:1804.07418.
- 30 p.
FERMILABPUB - Fulltext - Fulltext

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2018-05-19
11:15
Characterisation of the Medipix3 detector for 60 and 80 keV electrons / Mir, J A (U. Oxford (main)) ; Clough, R (U. Oxford (main)) ; MacInnes, R (Glasgow U.) ; Gough, C (Glasgow U.) ; Plackett, R (Oxford U.) ; Shipsey, I (Oxford U.) ; Sawada, H (U. Oxford (main) ; Diamond Light Source ; JEOL UK Ltd., Welwyn Garden City) ; MacLaren, I (Glasgow U.) ; Ballabriga, R (CERN) ; Maneuski, D (Glasgow U.) et al.
In this paper we report quantitative measurements of the imaging performance for the current generation of hybrid pixel detector, Medipix3, used as a direct electron detector. [...]
2017. - 10 p.
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2018-05-19
11:15
Augmented and virtual reality based monitoring and safety system: A prototype IoT platform / Alam, Md Fasiul (Athens Natl. Capodistrian U.) ; Katsikas, Serafeim (Prisma Electronics SA, Greece) ; Beltramello, Olga (CERN) ; Hadjiefthymiades, Stathes (Athens Natl. Capodistrian U.)
This paper presents an Augmented and Virtual Reality (AR/VR) based IoT prototype system. [...]
2017. - 11 p.

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2018-05-19
11:15
Optical properties and radiation hardness of Pr-doped sol-gel silica: Influence of fiber drawing process / Cova, Francesca (Milan Bicocca U.) ; Fasoli, Mauro (Milan Bicocca U.) ; Moretti, Federico (Milan Bicocca U.) ; Chiodini, Norberto (Milan Bicocca U.) ; Pauwels, Kristof (Milan Bicocca U.) ; Auffray, Etiennette (CERN) ; Toliman Lucchini, Marco (CERN) ; Bourret, Edith (LBNL, Berkeley) ; Veronese, Ivan (Milan U. ; INFN, Milan) ; d'Ippolito, Eduardo (Milan U.) et al.
The optical emission from the 5d – 4f allowed transition of Pr$^{3+}$ ions embedded in sol-gel silica is investigated for High Energy Physics applications requiring fast scintillating materials. [...]
2017. - 7 p.

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2018-05-19
11:15
Intraband luminescence excited in new ways: Low-power x-ray and electron beams / Omelkov, Sergey I (Tartu U.) ; Nagirnyi, Vitali (Tartu U.) ; Feldbach, Eduard (Tartu U.) ; Turtos, Rosana Martinez (Milan Bicocca U.) ; Auffray, Etiennette (CERN) ; Kirm, Marco (Tartu U.) ; Lecoq, Paul (CERN)
Hot intraband luminescence (IBL) was observed under excitation by high-power (120 keV, 10 A/cm2) pulsed electron beam, low-energy (10 keV) and low-current (2 μA) continuous electron beam as well as pulsed x-rays. [...]
2017. - 7 p.

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2018-05-19
11:15
Development of a processing route for carbon allotrope-based TiC porous nanocomposites / Ramos, J P (Ecole Polytechnique, Lausanne ; CERN) ; Senos, A M R (U. Aveiro (main)) ; Stora, T (CERN) ; Fernandes, C M (U. Aveiro (main)) ; Bowen, P (Ecole Polytechnique, Lausanne)
Ti-foils are currently used as a spallation target material to produce radioisotopes for physics research at the ISOLDE facility at CERN. [...]
2017. - 10 p.
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2018-05-19
11:15
New framework for calibration of partial safety factors for fatigue design / D'Angelo, Luca (CERN) ; Nussbaumer, Alain (Ecole Polytechnique, Lausanne)
In Eurocode standards, three verification schemes are proposed for fatigue design under variable amplitude loadings: 1) Based on constant amplitude fatigue limit; 2) Based on constant amplitude equivalent stress range at 2 ⋅ 106 cycles; 3) Based on accumulated damage. [...]
2017. - 7 p.

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2018-05-19
11:15
Deployment of an open sensorized platform in a smart city context / Trilles, Sergio (Jaume I U., Castellon) ; Calia, Andrea (CERN) ; Belmonte, Óscar (Jaume I U., Castellon) ; Torres-Sospedra, Joaquín (Jaume I U., Castellon) ; Montoliu, Raúl (Jaume I U., Castellon) ; Huerta, Joaquín (Jaume I U., Castellon)
The race to achieve smart cities is producing a continuous effort to adapt new developments and knowledge, for administrations and citizens. [...]
2016. - 13 p.

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