CERN Accelerating science

ATS Notes

Latest additions:
2021-02-05
14:23
Simulations of Sextupolar Contribution to Amplitude Detuning in the LHC / Soubelet, Felix Pol Gaston (University of Liverpool (GB)) ; Tomas Garcia, Rogelio (CERN) ; Persson, Tobias Hakan Bjorn (CERN)
Nonlinear dynamics can impact circular machines’ performance and stability. [...]
CERN-ACC-NOTE-2021-0006.
- 2021. - 10 p.
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2021-02-05
14:10
Measured Phase Error Dependency on BPM Type and Location in the LHC / Soubelet, Felix Pol Gaston (University of Liverpool (GB)) ; Tomas Garcia, Rogelio (CERN)
Beam Position Monitor measurement data are the primary source of optics properties computation for particle accelerators. [...]
CERN-ACC-NOTE-2021-0005.
- 2021. - 11 p.
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2021-01-25
08:28
Longitudinal Phase Space Tomography Version 3 / Grindheim, Christoffer Hjerto (Western Norway University of Applied Sciences (NO)) ; Albright, Simon (CERN)
Longitudinal phase space tomography is essential in most of the CERN synchrotrons to measure longitudinal beam parameters. [...]
CERN-ACC-NOTE-2021-0004.
- 2021. - 24 p.
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2021-01-15
11:59
Space charge and intrabeam scattering effects for Lead-ions and Oxygen-ions in the LHC injector chain / John, Isabelle (Lund University (SE)) ; Bartosik, Hannes (CERN)
In the context of a possible LHC run with Oxygen-ion beams in about 2023, this report presents results of the space charge and intrabeam scattering effects for the Oxygen beam in comparison to the operational Lead beam in the LHC ion-injector chain (LEIR, PS and SPS). [...]
CERN-ACC-NOTE-2021-0003.
- 2021. - 31 p.

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2021-01-14
10:23
Different approaches for minimising proton beam losses on the 11 T dipole in the IR7 dispersion suppressor / Belli, Eleonora ; Bruce, Roderik (CERN) ; Giovannozzi, Massimo (CERN) ; Mereghetti, Alessio ; Mirarchi, Daniele (CERN) ; Redaelli, Stefano (CERN)
The High Luminosity Large Hadron Collider (HL–LHC) project aims at increasing the integrated luminosity by a factor of 10 beyond the LHC design value. [...]
CERN-ACC-NOTE-2021-0002.
- 2021.
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2020-12-18
17:08
Introduction to the BE-CO Control System / Deghaye, Stephane (CERN) ; Fortescue-Beck, Eve (CERN)
The document is an attempt to fill the gap between the Control System, as provided by the Beams Controls (BE-CO) group, and anybody who needs to work with the Control System [...]
CERN-ACC-NOTE-2020-0069.
- 2020. - 195 p.
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2020-12-18
11:44
Comparison of Accelerator Designs for an Ion Therapy and Research Facility / Benedetto, Elena (TERA Foundation (IT)) ; Amaldi, Ugo (TERA Foundation (IT)) ; Bencini, Vittorio (TERA Foundation (IT)) ; Dosanjh, Manjit ; Foka, Yiota (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE)) ; Kaprinis, Dimitris ; Khalvati, Mohammad Reza (Institute for Research in Fundamental Sciences (IR)) ; Lombardi, Alessandra (CERN) ; Sapinski, Mariusz (TERA Foundation (IT)) ; Vretenar, Maurizio (CERN) et al.
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CERN-ACC-NOTE-2020-0068 ; NIMMS-Note-001.
- 2020. - 46 p.
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2020-12-16
17:36
Extracting chromatic properties of electron beams from spectral analysis of turn-by-turn beam position data / Zisopoulos, Panagiotis (Uppsala University (SE)) ; Papaphilippou, Yannis (CERN)
A method to estimate linear chromaticity, RMS energy spread, and chromatic beta-beating, directly from turn-by-turn beam position data in a circular electron accelerator, is presented. [...]
CERN-ACC-NOTE-2020-0067.
- 2020. - 27 p.
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2020-12-16
17:32
New Ideas for the MAD-X Aperture Calculation / Risselada, Thys
If a beam screen shape is made up of straight and circular segments the N1 values may be calculated exactly for each segment by a simple geometric construction..
CERN-ACC-NOTE-2020-0066.
- 2020. - 11 p.
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2020-12-16
17:28
LHC MD 4505: Forced 3D beam oscillations / Malina, Lukas (CERN) ; Tomas Garcia, Rogelio (CERN) ; Timko, Helga (CERN) ; Louro Alves, Diogo Miguel (CERN) ; Coello De Portugal - Martinez Vazquez, Jaime Maria
This note summarises the detailed programme of an MD testing the new chromaticity and fast optics measurement methods. [...]
CERN-ACC-NOTE-2020-0065.
- 2020. - 14 p.
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LHC MD Notes (161)