CERN Accelerating science

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Search for High-Mass Diphoton Resonances in Proton-Proton Collisions at 13 TeV and Radiation Studies for Calorimetry at the High-Luminosity LHC / Quittnat, Milena ; Dissertori, Günther ETH Zürich (dir.) () ; Wallny, Rainer ETH Zürich (dir.) ()
In this dissertation, two different topics are addressed which are part of the main areas of research of modern high-energy physics experiments at the Large Hadron Collider (LHC): a search for new physics and the development of new detectors. The first part of this dissertation presents the search for high mass diphoton resonances in proton-proton collisions at a center-of-mass energy of 13 TeV with the Compact Muon Solenoid (CMS) experiment. [...]
CERN-THESIS-2017-117; Diss.ETH.No.24170; Zürich : ETH Zürich, 2017-06-02 - 248 p. Fulltext: PDF; External link: Approve this document (restricted)

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Top-quark and Higgs boson perspectives at heavy-ion colliders / Enterria, David (CERN)
The perspectives for measuring the top quark and the Higgs boson in nuclear collisions at the LHC and Future Circular Collider (FCC) are summarized. Perturbative QCD calculations at (N)NLO accuracy, including nuclear parton distribution functions, are used to determine their cross sections and visible yields after standard analysis cuts in PbPb and pPb collisions at the LHC (\sqrt{sNN}\ = 5.5, 8.8 TeV) and FCC (\sqrt{sNN}\ = 39, 63 TeV). [...]
Geneva : CERN, 2017 - Published in : (2017) Access to fulltext document: PDF;

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Design of the Palmer Pickup for Stochastic Pre-Cooling of Hot Rare Isotopes at the CR / Barker, D J (Darmstadt, GSI) ; Dimopoulou, C (Darmstadt, GSI) ; Peschke, C (Darmstadt, GSI) ; Thorndahl, L (CERN)
We report on the design of a Faltin type pickup for the stochastic pre-cooling of rare isotope beams at 740 MeV/u, using a bandwidth of 1-2 GHz, for the Collector Ring (CR) in the FAIR project at GSI. The design difficulties inherent in Faltin rails at these frequencies are described. [...]
COOL-2015-FRWAUD03.- 2015 - 4 p. - Published in : (2015) Fulltext: PDF; External link: Fulltext

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Numerical simulations of energy deposition caused by 50 MeV—50 TeV proton beams in copper and graphite targets / Nie, Y (CERN) ; Schmidt, R (CERN) ; Chetvertkova, V (GSI Helmholtzzentrum für Schwerionenforschung) ; Rosell-Tarrago, G (University of Barcelona) ; Burkart, F (CERN) ; Wollmann, D (CERN)
The conceptual design of the Future Circular Collider (FCC) is being carried out actively in an international collaboration hosted by CERN, for the post–Large Hadron Collider (LHC) era. The target center-of-mass energy of proton-proton collisions for the FCC is 100 TeV, nearly an order of magnitude higher than for LHC. [...]
CERN-ACC-2017-0054.- Geneva : CERN, 2017 - 17 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 20 (2017) 081001 (2017) Fulltext: PDF;

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MODELLING SLOW EXTRACTION INDUCED RADIOACTIVITY IN SPS LSS2 / Araujo Martinez, Aurora Cecilia ; Fraser, Matthew Alexander (CERN)
The Accelerator and Beam Transfer (ABT) group is investigating the impact of recent proposals to extract higher proton intensities to Fixed Target experiments at the SPS [...]
- 2017.
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AWAKE readiness for the study of the seeded self-modulation of a 400\,GeV proton bunch / Muggli, P. (Munich, Max Planck Inst. ; CERN) ; Adli, E. (Oslo U.) ; Apsimon, R. (Lancaster U.) ; Asmus, F. (Munich, Max Planck Inst.) ; Baartman, R. (TRIUMF) ; Bachmann, A.-M. (Munich, Max Planck Inst. ; CERN ; Munich, Tech. U.) ; Barros Marin, M. (CERN) ; Batsch, F. (Munich, Max Planck Inst. ; CERN ; Munich, Tech. U.) ; Bauche, J. (CERN) ; Berglyd Olsen, V.K. (Oslo U.) et al.
AWAKE is a proton-driven plasma wakefield acceleration experiment [...]

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H$^{-}$ ion source for CERN's Linac4 accelerator: simulation, experimental validation and optimization of the hydrogen plasma / Mattei, Stefano
Linac4 is the new negative hydrogen ion (H$^-$) linear accelerator of the European Organization for Nuclear Research (CERN) [...]
CERN-THESIS-2017-109 - Lausanne : EPFL, 2017-07-25. - 139 p.

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Parameterization of the critical surface of REBCO conductors from Bruker / Danial, Muhammad (Summer Student) ; Van Nugteren, Jeroen (CERN)
Parameterization of the critical surface of REBCO conductors will help determine the performance of such high temperature superconducting tapes/
CERN-STUDENTS-Note-2017-013 ; 2017_31.
- 2017.
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CERN Yellow Report Front Cover CAS - CERN Accelerator School: Intensity Limitations in Particle Beams   2 - 11 Nov 2015  - CERN, Geneva, Switzerland  / Herr, W (ed.) (CERN)
AbstractThis report presents the proceedings of a specialized course organized by the CERN Accelerator School (CAS).The topic this time being ’Intensity Limitations in Particle Beams’. The course was held at CERN, Switzerland,from 2-11 November 2015. [...]
Geneva : CERN, 2017 - 566 p. CERN-2017-006-SP
Conference home page - CAS home page - Contributions on the CERN Publishing Platform - Fulltext

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Non-perturbative measurement of low-intensity charged particle beams / Fernandes, M (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Geithner, R (Jena U. ; Helmholtz Inst., Jena) ; Golm, J (Jena U.) ; Neubert, R (Jena U.) ; Schwickert, M (Darmstadt, GSI) ; Stöhlker, T (Jena U. ; Helmholtz Inst., Jena ; Darmstadt, GSI) ; Tan, J (CERN) ; Welsch, C P (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.)
Non-perturbative measurements of low-intensity charged particle beams are particularly challenging to beam diagnostics due to the low amplitude of the induced electromagnetic fields. In the low-energy antiproton decelerator (AD) and the future extra low energy antiproton rings at CERN, an absolute measurement of the beam intensity is essential to monitor the operation efficiency. [...]
2016 - Published in : Supercond. Sci. Technol. 30 (2016) 015001 Fulltext: PDF;

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