CERN Accelerating science

ATS Reports

Ostatnio dodane:
2017-01-19
18:14
ATS MD’s in 2016 / Fartoukh, Stephane (CERN) ; Albert, Markus (CERN) ; Le Borgne, Yannick (CERN) ; Bracco, Chiara (CERN) ; Bruce, Roderik (CERN) ; Carlier, Felix Simon (Technische Universiteit Delft (NL)) ; Coello De Portugal - Martinez Vazquez, Jaime Maria (Universitat Politecnica Catalunya (ES)) ; Garcia-Tabares Valdivieso, Ana (Ministere des affaires etrangeres et europeennes (FR)) ; Fuchsberger, Kajetan (CERN) ; Giachino, Rossano (CERN) et al.
This report presents a summary of the Achromatic Telescopic Squeezing (ATS) scheme related activities which took place in 2016, where a new generation of ATS pre-squeezed and telescopic optics was successfully probed, namely: (i) down to a of 10 cm with pilot bunches, and (ii) with more emphasis at intermediate values of 40 cm or 33 cm where collisions were established with nominal bunches, the triplet aperture was measured and collimation measurements with pre-squeezed or moderately telescopic ATS optics were conducted..
CERN-ACC-2017-0003.
- 2016. - 25 p.

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2016-12-16
17:23
Space Charge Modules for PyHEADTAIL / Oeftiger, Adrian (CERN & EPFL Lausanne) ; Hegglin, Stefan Eduard (Eidgenoessische Tech. Hochschule Zuerich (CH))
PyHEADTAIL is a 6D tracking tool developed at CERN to simulate collective effects. [...]
CERN-ACC-2016-0342.
- 2016. - 6 p.

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2016-12-13
08:24
Cam Mover Alignment System positioning with the Wire Positioning with the Wire Position Sensor Feedback for CLIC / Kemppinen, Juha (Eidgenoessische Technische Hochschule Zuerich (CH)) ; Mainaud Durand, Helene (CERN)
Compact Linear Collider (CLIC) is a study of an electron-positron collider with nominal energy of 3 TeV and luminosity of 2 ∙ 1034 cm-2s-1. [...]
CERN-ACC-2016-0339 ; CLIC-Note-1072.
- 2016. - 6 p.
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2016-12-13
08:12
Design and High Power Measurements of a 3 GHz Rotary Joint for Medical Applications / Degiovanni, Alberto (A.D.A.M. Applications of Detectors and accelerators to Medicine (CH)) ; Benedetti, Stefano (Ecole Polytechnique Federale de Lausanne (CH)) ; Garlasche, Marco (CERN) ; Giner-Navarro, Jorge (CERN) ; Magagnin, Paolo (TERA Foundation (IT)) ; Mcmonagle, Gerard (CERN) ; Syratchev, Igor (CERN) ; Wuensch, Walter (CERN)
The TUrning LInac for Protontherapy (TULIP) project requires the transport of RF power from modulator/klystron systems at rest on the floor to the linac structures mounted on a rotating gantry, via a waveguide system that can operate over a range of angles of rotation. [...]
CERN-ACC-2016-0338 ; CLIC-Note-1071.
- 2016. - 9 p.
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2016-12-13
08:07
Post-Mortem Analysis after High-Power Operation of the TD24_R05 Tested in Xbox_1 / Degiovanni, Alberto (A.D.A.M. Applications of Detectors and accelerators to Medicine (CH)) ; Wegner, Rolf (CERN) ; Mouriz Irazabal, Nerea (CERN) ; Aicheler, Markus (Helsinki Institute of Physics (FI))
The CLIC prototype structure TD24_R05 has been high power tested in Xbox_1 in 2013. [...]
CERN-ACC-2016-0337 ; CLIC-Note-1070.
- 2016. - 21 p.
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2016-12-13
07:37
Geometric wakefield regimes study of a rectangular tapered collimator for ATF2 / Fuster-Martinez, Nuria (CSIC-UV) ; Faus-Golfe, Angeles (Instituto de Fisica Corpuscular (ES)) ; Latina, Andrea (CERN) ; Snuverink, Jochem (University of London (GB))
In this paper we study the discrepancy found between the wakefield impact effect induced by a rectangular tapered collimator prototype for ATF2 calculated using analytical models, calculated from CST PS numerical simulations and implemented in the tracking code PLACET v1.0.0. [...]
CERN-ACC-2016-0336 ; CLIC-Note-1069.
- 2016. - 29 p.
Full text - Full text

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2016-12-06
17:23
Conceptual design report on a charge breeder for HIE-ISOLDE / Shornikov, Andrey (CERN) ; Beebe, Edward (Brookhaven) ; Breitenfeldt, Martin (CERN) ; Pitters, Johanna (CERN) ; Mertzig, Robert (CERN) ; Pikin, Alexander (Brookhaven) ; Wenander, Fredrik (CERN)
In this conceptual design report the possible options for an upgrade of the REX/HIE-ISOLDE charge breeder are discussed. [...]
CERN-ACC-NOTE-2016-0073 ; arXiv:1701.00687.
- 2016. - 35 p.
Full text - Preprint

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2016-12-02
17:20
Parameters for aperture calculations at injection for HL-LHC* / Bruce, Roderik (CERN) ; Bracco, Chiara (CERN) ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Redaelli, Stefano (CERN) ; Tomas Garcia, Rogelio (CERN) ; Velotti, Francesco Maria (CERN) ; Wenninger, Jorg (CERN)
Accurate evaluations of the margins of available aperture in the LHC and HL-LHC are very important, in order to judge if proposed optics and hardware are adequate, and to push the machine performance. [...]
CERN-ACC-2016-0328.
- 2016. - 25 p.
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2016-11-08
15:15
Figures of merit for the evaluation of regenerative power converters / Maestri, Sebastian (Univ. Nacional de Mar del Plata (AR)) ; Rossini, Stefano (CERN) ; Le Godec, Gilles (CERN) ; Papastergiou, Konstantinos (CERN) ; Carrica, Daniel (Univ. Nacional de Mar del Plata (AR)) ; Retegui, Rogeli Garcia (Univ. Nacional de Mar del Plata (AR))
In some applications, like those for particle accelerators and transfer lines, electromagnet loads operate in cycling mode i.e. [...]
CERN-ACC-2016-0327.
- 2016. - 10 p.
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2016-11-08
11:14
Current Sharing inside a High Power IGBT Module at the Negative Temperature Coefficient Operating Region / Asimakopoulos, Panagiotis (Chalmers University of Technology (SE)) ; Papastergiou, Konstantinos (CERN) ; Bongiorno, M (Chalmers University of Technology) ; Thiringer, T (Chalmers University of Technology)
This work investigates the current sharing effect of a high power Soft Punch Through IGBT module in the Negative Temperature Coefficient region. [...]
CERN-ACC-2016-0326.
- 2016. - 10 p.
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