CERN Accelerating science

CERN Published Articles

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2018-11-20
06:11
W and Z physics in ATLAS and CMS with the first 1-10 fb ${^-1}$ / Gemme, C (INFN, Genoa) ; Ghezzi, A (INFN, Florence)
In this paper we present the measurements at the LHC based on the study of events with the production of a Z or W boson. We give particular emphasis on those measurements that could be achievable from the very beginning of the data taking with the ATLAS and CMS detectors, up to an integrated luminosity of 10 fb -1..
2006 - 9 p. - Published in : Italian Phys. Soc. Proc.: 92 (2006) , pp. 87-95
In : 3rd Italian Workshop on ATLAS and CMS Physics, Bari, Italy, 20 - 22 Oct 2005, pp.87-95

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2018-11-20
06:11
Dependency of the capture of field emitted electron on the phase velocity of a high-frequency accelerating structure / Lucas, Thomas Geoffrey ; Argyopolous, Theodorous ; Boland, Mark James ; Catalan-Lasheras, Nuria ; Rassool, Roger Paul ; Serpico, Claudio ; Volpi, Matteo ; Wuensch, Walter (CERN)
Surface electric fields within high gradient linear accelerators can exceed 200 MV/m and lead to field emitted (FE) electrons entering the structure. When the accelerating field conditions permit, these FE electrons can become captured in the RF fields and be transported through the accelerating structure as a dark current. [...]
2019 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 914 (2019) 46-52 Fulltext: PDF;

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2018-11-17
06:40
The silicon pixel detector for ALICE experiment / Moretto, S (INFN, Padua) /ALICE SPD
2008 - 3 p. - Published in : Italian Phys. Soc. Proc.: 96 (2008) , pp. 263-265
In : The Nuclear Physics from the f7/2 to the Quark-Gluon Plasma : Workshop in Honour of the 80th Birthday of Renato Angelo Ricci, Legnaro-Padova, Italy, 17 - 18 May 2007, pp.263-265

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2018-11-17
06:40
The golden age of astroparticle physics in the LHC era / Giovannelli, F (INAF, Rome)
In this paper I want to discuss the status of Astroparticle Physics at the beginning of the Large Hadronic Collider (LHC) Era. Astroparticle physics - the new branch of physics born roughly at the end of the 1980-ies is now in its golden age - takes into account results obtained from the observations of cosmic sources via photonic experiments and particle experiments as well as from the difficult observations of neutrinos. [...]
2011 - 40 p. - Published in : Italian Phys. Soc. Proc.: 103 (2011) , pp. 3-42
In : Vulcano Workshop 2010 Frontier Objects in Astrophysics and Particle Physics, Vulcano, Italy, 24 - 29 May 2010, pp.3-42

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2018-11-17
06:40
High-Energy LHC Design / Zimmermann, Frank (CERN) ; Abelleira, Jose Luis (JAI, UK) ; Amorim, David (CERN) ; Antipov, Sergey (CERN) ; Apyan, Armen (Yerevan Phys. Inst.) ; Arsenyev, Sergey (CERN) ; Barranco García, Javier (Ecole Polytechnique, Lausanne) ; Benedikt, Michael (CERN) ; Bruce, Roderik (CERN) ; Burkart, Florian (DESY) et al.
In the frame of the FCC study we are designing a 27 TeV hadron collider in the LHC tunnel, called the High Energy LHC (HE-LHC)..
2018 - 8 p. - Published in : (2018) , pp. MOPMF064
- Published in : J. Phys. : Conf. Ser.: 1067 (2018) , no. 2, pp. 022009 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF064

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2018-11-17
06:40
Broadband Impedance of Pumping Holes and Interconnects in the FCC-hh Beamscreen / Arsenyev, Sergey (CERN) ; Schulte, Daniel (CERN)
In the proposed Future Circular Collider (FCC-hh) pumping holes and interconnects between sections of the beamscreen can be sources of unwanted broadband impedance, potentially leading to the transverse mode coupling instability (TMCI). The pumping holes pose a greater challenge to the impedance calculation due to their small contribution per hole. [...]
2018 - 5 p. - Published in : (2018) , pp. MOPMF030
- Published in : J. Phys. : Conf. Ser.: 1067 (2018) , no. 2, pp. 022003 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF030

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2018-11-17
06:40
FCC-hh transverse impedance budget / Arsenyev, Sergey (CERN) ; Boine-Frankenheim, Oliver (Darmstadt, Tech. U. ; Darmstadt, GSI) ; Schulte, Daniel (CERN)
Contributions of different machine elements of the proposed Future Circular Collider (FCC-hh) impedance budget are calculated based on beam stability considerations. For each element (the beamscreen, the collimators, etc), effective impedances are calculated at the injection energy and at the collision energy for considered instabilities. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-MOPMF029 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF029

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2018-11-17
06:40
Landau Damping Studies for the FCC: Octupole Magnets, Electron Lens and Beam-Beam Effects / Tambasco, Claudia (Ecole Polytechnique, Lausanne) ; Arsenyev, Sergey (CERN) ; Barranco García, Javier (Ecole Polytechnique, Lausanne) ; Buffat, Xavier (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Rivkin, Leonid (Ecole Polytechnique, Lausanne) ; Schulte, Daniel (CERN)
Stability studies for the FCC-hh operational cycle are explored using Landau octupoles and electron lenses alone and in the presence of long-range as well as head-on beam-beam effects. Pros and cons of the various methods are compared and an optimum operational scenario to guarantee the maximum stability is proposed..
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPAF074 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAF074

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2018-11-17
06:40
Beam Dump Facility Target: Design Status and Beam Tests in 2018 / Lopez Sola, Edmundo (CERN) ; Aberle, Oliver (CERN) ; Avigni, Pietro (CERN) ; Bianchi, Laura (CERN) ; Busom, Josep (CERN) ; Calviani, Marco (CERN) ; Casolino, Mirkoantonio (CERN) ; Espadanal, Joao (CERN) ; Fraser, Matthew (CERN) ; Girod, Sylvain (CERN) et al.
The Beam Dump Facility (BDF) Project, currently in its design phase, is a proposed general-purpose fixed target facility at CERN, dedicated to the Search for Hidden Particles (SHiP) experiment in its initial phase. At the core of the installation resides the target/dump assembly, whose aim is to fully absorb the high intensity 400 GeV/c SPS beam and produce charmed mesons. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-WEPMG002 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMG002

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2018-11-17
06:40
Lifetime and Beam Losses Studies of Partially Strip Ions in the SPS ($^{129}$Xe$^{39+}$) / Hirlaender, Simon (CERN) ; Alemany-Fernández, Reyes (CERN) ; Bartosik, Hannes (CERN) ; Biancacci, Nicolo (CERN) ; Bohl, Thomas (CERN) ; Cettour Cave, Stephane (CERN) ; Cornellis, Karel (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Krasny, Mieczyslaw (Paris U., VI-VII ; Paris, IN2P3 ; CERN) et al.
The CERN multipurpose Gamma Factory proposal relies on using Partially Stripped Ion (PSI) beams, instead of electron beams, as the drivers of its light source. If such beams could be successfully stored in the LHC ring, fluxes of the order of $10^{17}$ photons/s, in the $\gamma$-ray energy domain of $1 \leq \rm{E}_{\gamma} \leq 400$ MeV could be achieved. [...]
2018 - 3 p. - Published in : 10.18429/JACoW-IPAC2018-THPMF015 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPMF015

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