CERN Accelerating science

ATS Reports

Najnovije dodano:
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 beta* of 10 cm with pilot bunches, and (ii) with more emphasis at intermediate beta* 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.
CERN-ACC-2016-0342

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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.
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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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