CERN Accelerating science

BE Preprints

Darreres entrades:
2016-05-10
14:10
Large graph visualization of millions of connections in the CERN control system network traffic: analysis and design of routing and firewall rules with a new approach / Gallerani, Luigi (CERN)
Abstract The CERN Technical Network (TN) TN was intended to be a network for accelerator and infrastructure operations. However, today, more than 60 million IP packets are routed every hour between the General Purpose Network (GPN) and the TN, involving more than 6000 different hosts. [...]
CERN-OPEN-2016-004.- Geneva : CERN, 2015 - 5 p. Preprint: PDF; Published version from JACoW: PDF; External link: JACoW
In : 15th International Conference on Accelerator and Large Experimental Physics Control Systems, Melbourne, Australia, 17 - 23 Oct 2015, pp.WEPGF045

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2016-01-13
16:10
Very high resolution optical transition radiation imaging system: Comparison between simulation and experiment / Bolzon, B (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Aryshev, A (KEK, Tsukuba) ; Aumeyr, Thomas (Oxford U., JAI) ; Boogert, Stewart Takashi (Oxford U., JAI) ; Karataev, Pavel (Oxford U., JAI) ; Kruchinin, Konstantin (Oxford U., JAI) ; Lefevre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Nevay, Laurence James (Oxford U., JAI) ; Shevelev, M (KEK, Tsukuba) et al.
Optical transition radiation (OTR) has become a commonly used method for 2D beam imaging measurements. In the Accelerator Test Facility 2 (ATF2) at KEK, beam sizes smaller than the OTR point spread function have been measured. [...]
CERN-BE-2016-002; CLIC-Note-1063.- Geneva : CERN, 2015 - 8 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 082803 APS Open Access article: PDF; Fulltext: CERN-BE-2016-002 - PDF; CLIC-Note-1063 - PDF;

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2016-01-13
15:17
Advanced Simulations of Optical Transition and Diffraction Radiation / Aumeyr, Thomas (Royal Holloway, U. of London) ; Billing, MG (Cornell U., CLASSE) ; Bobb, Lorraine Marie (Royal Holloway, U. of London) ; Bolzon, B (CERN) ; Bravin, Enrico (CERN) ; Karataev, Pavel (Royal Holloway, U. of London) ; Kruchinin, Konstantin (Royal Holloway, U. of London) ; Lefevre, Thibaut (CERN) ; Mazzoni, Stefano (CERN)
Charged particle beam diagnostics is a key task in modern and future accelerator installations. The diagnostic tools are practically the “eyes” of the operators. [...]
CERN-BE-2016-001; CLIC-Note-1062.- Geneva : CERN, 2015 - 9 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 042801 APS Open Access article: PDF; Fulltext: CERN-BE-2016-001 - PDF; CLIC-Note-1062 - PDF;

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2014-12-03
12:02
Optimization of a Short Faraday Cup for Low-Energy Ions using Numerical Simulations / Bravin, E (-) ; Cantero, ED (-) ; Garcia Sosa, A (-) ; Welsch, CP (Cockcroft Institute, Warrington, and the University of Liverpool-UK)
ISOLDE, the heavy-ion facility at CERN is undergoing a major upgrade with the installation of a superconducting LINAC that will allow post-acceleration of ion beams up to 10 MeV/u. [...]
CERN-BE-2014-015.
- 2014. - 4 p.
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2014-12-03
11:49
The Beam Instrumentation and Diagnostic Challenges for LHC Operation at high Energy / Jones, OR
This contribution will present the role of beam diagnostics in facing the challenges posed by running the LHC close to its design energy of 7TeV. [...]
CERN-BE-2014-014.
- 2014. - 8 p.
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2014-12-02
14:41
Direct (under) Sampling vs. Analog Downconversion for BPM Electroncs / Wendt, M
Digital signal processing by means of undersampling the analog signal has become a popular method for acquiring beam position monitor signals [...]
CERN-BE-2014-013.
- 2014. - 9 p.
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2014-12-02
14:24
Status of and Future Plans for the CERN Linac4 Emittance Meter based on Laser Electron-detachment and a Diamond Strip-detector / Bravin, E (-) ; Hofmann, T (-) ; Raich, U (-) ; Roncarolo, F (-) ; Zocca, F (-) ; Gibson, S (John Adams Institute at Royal Holloway, University of London-UK) ; Kruchinin, KO (John Adams Institute at Royal Holloway, University of London-UK) ; Bosco, A (John Adams Institute at Royal Holloway, University of London-UK) ; Boorman, G (John Adams Institute at Royal Holloway, University of London-UK) ; Griesmayer, E (CIVIDEC Instrumentation, Vienna-AT)
LINAC4 has started its staged commissioning at CERN. [...]
CERN-BE-2014-012.
- 2014. - 5 p.

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2014-12-01
17:48
A Cryogenic Current Comparator for the Low Energy Antiproton Facilities at CERN / Fernandes, M (-) ; Tan, J (-) ; Welsch, CP (Cockcroft Institute & The University of Liverpool, Liverpool)
Several laboratories have shown the potential of using Superconducting QUantum Interference Device (SQUID) magnetometers together with superconductor magnetic shields to measure beam current intensities in the submicro-Ampere regime. [...]
CERN-BE-2014-011.
- 2014. - 6 p.

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2014-12-01
17:25
Measurement of Beam Loss at the Australian Synchrotron / Holzer, EB (-) ; Nebot del Busto, E (-) ; Kastriotou, M (-) ; Boland, MJ (ACo, Clayton, University of Melbourne) ; Jackson, PD (University of Adelaide, Adelaide) ; Rasool, RP (University of Melbourne) ; Schmidt, J (Albert-Ludwig Universitaet Freiburg) ; Welsch, CP (Cockcroft Institute, Warrington Cheshire and University of Liverpool, Liverpool)
The unprecedented requirements that new machines are setting on their diagnostic systems is leading to the development of new generation of devices with large dynamic range, sensitivity and time resolution. [...]
CERN-BE-2014-010.
- 2014. - 6 p.
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2014-11-27
17:40
Cryogenic Beam Loss Monitors for the Superconducting Magnets of the LHC / Bartosik, MR (-) ; Dehning, B (-) ; Sapinski, M (-) ; Kurfuerst, C (-) ; Griesmayer, E (CIVIDEC, Vienna-AT) ; Eremin, V (IOFFE, St Petersburg-RU) ; Verbitskaya, E (IOFFE, St Petersburg-RU)
The Beam Loss Monitor detectors close to the interaction points of the Large Hadron Collider are currently located outside the cryostat, far from the superconducting coils of the magnets. [...]
CERN-BE-2014-009.
- 2014. - 4 p.
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