CERN Accelerating science

Accelerators & Technology Sector Notes

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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 / 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) ; Metral, Elias (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.
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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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Transverse beam profile measurements with slit scanner and Faraday cup at REX-ISOLDE / Cantero, E D ; Bravin, E ; Lanaia, D ; Sosa, A ; Voulot, D
The transverse profiles for the HIE-ISOLDE beams will be measured using a system composed of a scanning slit and a Faraday cup. [...]
- 2014. - 9 p.
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Acceptance test for the linear motion actuator for the scanning slit of the HIE-ISOLDE short diagnostic boxes / Cantero, E D ; Andreazza, W ; Bravin, E ; Sosa, A
We performed experimental tests to characterize the mechanical accuracy of a linear actuator designed by the company AVS for the movement of the scanning slit of the HIE-ISOLDE short diagnostic boxes. [...]
- 2014. - 21 p.
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