CERN Accelerating science

ATS Notes

Ultimi arrivi:
Measurement Report for the Four-Rod LHC Crab Cavity. Cold Tests held in July 2014 / Navarro Tapia, Maria (CERN) ; Burt, G (The Cockcroft Institute, Lancaster University, Daresbury, United Kingdom) ; Calaga, Rama (CERN) ; Hernandez Chahin, Karim Gibran (Universidad de Guanajuato (MX)) ; Junginger, Tobias (CERN) ; Macpherson, Alick (CERN) ; Torres-Sanchez, Roberto (CERN)
The performance of the four-rod cavity prototype considered for the HL-LHC upgrade has already been assessed at CERN at cryogenic temperatures three times in the last two years [1, 2, 3]. [...]
- 2015. - 15 p.
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A design for an 802 MHz ERL Cavity / Calaga, Rama (CERN)
A low to medium energy recovery linac facility from 150-450-900 MeV in several stages is under study at CERN for validating important beam dynamics aspects and superconducting RF technology. [...]
- 2015.
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Orbit drifts at the LHC interaction points during the squeeze / Gorzawski, Arkadiusz (Ecole Polytechnique Federale de Lausanne (CH)) ; Wenninger, Jorg (CERN)
When the LHC beams were in collision during Run 1, ground motion was the dominant source of orbit changes. [...]
- 2015. - 27 p.
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Characterization of Nb coating in HIE-ISOLDE QWR superconducting accelerating cavities by means of SEM-FIB and TEM / Bartova, Barbora (CERN) ; Sublet, Alban Rene Maurice (CERN) ; Taborelli, M (CERN) ; Aebersold, A B (EPFL) ; Alexander, D T L (EPFL) ; Cantoni, M (CIME) ; Calatroni, Sergio (CERN)
The Quarter Wave Resonators (QWR) high-β cavities (0.3 m diameter and 0.9 m height) are made from OFE 3D-forged copper and are coated by DC-bias diode sputtering with a thin superconducting layer of niobium [...]
- 2015. - 7 p.
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HL-LHC Operational Scenarios / Metral, Elias (CERN) ; Arduini, Gianluigi (CERN) ; Banfi, Danilo (Ecole Polytechnique Federale de Lausanne) ; Barranco Garcia, Javier (Ecole Polytechnique Federale de Lausanne (CH)) ; Biancacci, Nicolo (CERN) ; Brüning, Oliver (CERN) ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Höfle, Wolfgang (CERN) ; Li, Kevin (CERN) et al.
The main aim of this document is to have a clearly identified set of beam and machine parameters to be used for numerical simulations..
- 2015. - 11 p.
CERN-ACC-NOTE-2015-0009 - Full text

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Modelling Accumulator Stripper Foil Heating for ESSNUSB Facility / Martini, Michel (CERN)
It is proposed to use the 2.0 GeV, 5 MW proton linac, 2.86 ms long pulses at 14 Hz of the European Spallation Source [1], [2] being built in Lund, Sweden to deliver, alternately with the spallation neutron production a very intense neutrino beam to enable the discovery of leptonic CP violation [...]
- 2015.

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Designs Characteristics and Main Inherent Concerns of the Antiproton Decelerator Target / Torregrosa, C (CERN) ; Perillo-Marcone, A (CERN) ; Calviani, M (CERN)
In the context of AD area consolidation activities a redesign of the AD-target is planned. [...]
- 2015. - 19 p.
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Longitudinal emittance reduction in LEIR of ion beams for LHC / Angoletta, M E ; Bodendorfer, M A ; Findlay, A ; Hancock, S ; Manglunki, D
For the 2013 LHC ion run the anticipated request for batches from the PS Complex comprising four ion bunches spaced by 100 ns was changed to batches of two bunches spaced by 200 ns. [...]
- 2014. - 23 p.
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Energy and time of flight measurements of REX-ISOLDE stable beams using Si detectors / Cantero, E D ; Bravin, E ; Fraser, M A ; Lanaia, D ; Sosa, A ; Voulot, D ; Zocca, F
In this paper we present energy and time spectroscopy measurements for the stable beams of REX-ISOLDE obtained using Si detectors. [...]
- 2014. - 21 p.
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HIE-ISOLDE Faraday cups tested with ion beams at TRIUMF / Cantero, E D ; Sosa, A
The future HIE-ISOLDE Faraday cups for both the intercryomodule regions and the HEBTs have been tested using 34S+7, 4He+, 23Na+6 and 20Ne+5 beams from the ISAC-II accelerator at TRIUMF. [...]
- 2014. - 12 p.
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