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CERN Published Articles

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2014-03-12
17:27
Instabilities simulations with wideband feedback systems: CMAD, HEADTAIL, WARP / Li, Kevin (SLAC) ; Cesaratto, J (SLAC) ; Fox, J D (SLAC) ; Pivi, M (SLAC) ; Rivetta, C (SLAC) ; Rumolo, G (CERN)
Transverse mode coupling (TMCI) and electron cloud instabilities (ECI) pose fundamental limitations on the acceptable beam intensities in the SPS at CERN. This in turn limits the ultimate achievable luminosity in the LHC. [...]
2013 - 8 p. Fulltext: PDF;
In : Joint INFN-CERN-EuCARD-AccNet Workshop on Electron-Cloud Effects, La Biodola, Isola d’Elba, Italy, 5 - 9 Jun 2012, pp.203-210

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2014-03-10
15:09
Mass hierarchy and string phenomenology in the LHC era / Antoniadis, Ignatios (CERN)
I will discuss the status of the mass hierarchy problem and prospects for beyond the Standard Model physics in the light of the Higgs scalar discovery at the LHC and the experimental searches for new physics. In particular, I will discuss in this context low energy supersymmetry, living with the fine tuning and strings at the TeV scale..
2014 Published version from CERN: PDF;
In : Cosmology and Particle Physics beyond Standard Models, pp.11-24

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2014-03-10
14:39
REM - the Shape of Potentials for f(R) Theories in Cosmology and Tachyons / Vulcanov, Dumitru N (West Timisoara U.) ; Djordjevic, Goran S (CERN) ; Sporea, Ciprian A (West Timisoara U.)
We investigated the reverse engineering method (REM) for constructing the potential of the scalar field in cosmological theories based on metric f(R) gravity and Friedman Robertson Walker (FRW) metric. Then transposing the new field and Friedman equations in an algebraic computing special library (in Maple + GrTennsorII platform) we graphically investigate the shape of the potentials in terms of the scalar field in at least two type of cosmology with exponential and linear scale factor expansion. [...]
2014 Published version from CERN: PDF;
In : Cosmology and Particle Physics beyond Standard Models, pp.165-170

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2014-03-04
10:22
The NOMAD Experiment at CERN / Vannucci, F (Paris U., VI-VII)
The purpose of this paper is to review the experimental apparatus and some physics results fromthe NOMAD(neutrino oscillation magnetic detector) experiment which took data in the CERN wide-band neutrino beam from 1995 to 1998. It collected and reconstructed more than one million charged current(CC)$\nu_\mu$ events with an accuracy which was previously obtained only with bubble chambers. [...]
2014 - Published in : Adv. High Energy Phys. 2014 (2014) 129694 Hindawi Open Access article: PDF;

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2014-03-04
10:04
Nuclear structure effects in the exotic decay of $^{225}$Ac via $^{14}$C emission / Bonetti, R (Milan U. ; INFN, Milan) ; Chiesa, C (Milan U. ; INFN, Milan) ; Guglielmetti, A (Milan U. ; INFN, Milan) ; Matheoud, R (Milan U. ; INFN, Milan) ; Migliorino, C (Milan U. ; INFN, Milan) ; Pasinetti, A L (Milan U. ; CERN) ; Ravn, H L (CERN)
By using a 225Ac source produced at the electromagnetic separator Isolde we collected on our track-recording glass detectors 305 14C events from the radioactive decays of 225Ac and its daughter 221Fr and obtained, for 225Ac, a branching ratio B(14C/alpha)=(6.0 +/- 1.3) x 10^{-12}. Our result suggests that such a decay from an odd proton nucleus is dominated by transition to the ground or to the first excited state of daughter nucleus..
1993 - 9 p. - Published in : Nucl. Phys. A 562 (1993) 32-40

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2014-03-03
11:40
John Adams and CERN: Personal Recollections / Brianti, Giorgio (CERN (formerly)) ; Plane, D E (CERN)
By any standards, John Adams had a most remarkable career. He was involved in three important, emerging technologies, radar, particle accelerators and controlled fusion, and had an outstanding impact on the last two. [...]
2013 - Published in : Rev. Accl. Sci. Tech. 06 (2013) 291–310 Fulltext: HTML; World Sci. Open Access article: PDF;
In : Accelerators for high intensity beams, pp.291–310

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2014-03-03
11:10
Superconducting Hadron Linacs / Ostroumov, Peter (Argonne) ; Gerigk, Frank (CERN)
This article discusses the main building blocks of a superconducting (SC) linac, the choice of SC resonators, their frequencies, accelerating gradients and apertures, focusing structures, practical aspects of cryomodule design, and concepts to minimize the heat load into the cryogenic system. It starts with an overview of design concepts for all types of hadron linacs differentiated by duty cycle (pulsed or continuous wave) or by the type of ion species (protons, H-, and ions) being accelerated. [...]
2013 - Published in : Rev. Accl. Sci. Tech. 06 (2013) 171–196 World Sci. Open Access article: PDF;
In : Accelerators for high intensity beams, pp.171–196

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2014-02-26
14:30
Performance of Particle Flow Calorimetry at CLIC / Marshall, J.S. (UCAM) ; Munnich, A. (CERN) ; Thomson, M.A. (UCAM)
The particle flow approach to calorimetry can provide unprecedented jet energy resolution at a future high energy collider, such as the International Linear Collider (ILC). However, the use of particle flow calorimetry at the proposed multi-TeV Compact Linear Collider (CLIC) poses a number of significant new challenges. [...]
AIDA-PUB-2013-002.- Geneva : CERN, 2013 - Published in : Nuclear Instruments and Methods in Physics Research (2013) , no. 700, pp. 153-162 Fulltext: PDF;

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2014-02-26
04:32
Twenty Years of Searching for the Higgs Boson: Exclusion at LEP, Discovery at LHC / Horváth, Dezső (Wigner RCP, Budapest)
The 40 years old Standard Model, the theory of particle physics, seems to describe all experimental data very well. All of its elementary particles were identified and studied apart from the Higgs boson until 2012 [...]
arXiv:1402.6103.- 2014 - Published in : Mod. Phys. Lett. A 29 (2014) 1430004 External link: Preprint

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2014-02-20
09:44
The quest fo the Higgs boson at the LHC / Virdee, Tejinder S (Imperial Coll., London)
2014
In : Symmetry and fundamental physics : Tom Kibble at 80, London, 13 Mar 2013, pp.89-123

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