CERN Accelerating science

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Последно добавени:
2022-01-19
14:57
Energy Matching Between the AD and ELENA / Albright, Simon (CERN) ; Gamba, Davide (CERN)
Correct energy matching between two synchrotrons is necessary to optimise performance of the downstream accelerator. [...]
CERN-ACC-NOTE-2022-0004.
- 2022. - 3 p.
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2022-01-18
14:33
Recommissioning of the CERN AD Stochastic Cooling System in 2021 after Long Shutdown 2 / Hofle, Wolfgang (CERN) ; Oliveira, Joao Carlos (CERN) ; Carli, Christian (CERN) ; Caspers, Fritz (European Scientific Institute (FR)) ; Dupuy, Bruno (CERN) ; Gamba, Davide (CERN) ; Louwerse, Reinier (CERN) ; Ponce, Laurette (CERN) ; Myklebust, Vebjorn Roed ; Rey, Stephane Franck (CERN) et al.
The power system of the Stochastic Cooling System of the anti-proton decelerator AD at CERN, installed on top of the shielding blocks of the AD ring, was completely dismantled during the long shutdown 2 (LS2) at the end of the 2018 run in order to gain access to the accelerator for magnet consolidation. [...]
CERN-ACC-NOTE-2022-0003 ; ISBN: 978-3-95450-243-1 ; ISSN: 2226-0374 ; doi: 10.18429/JACoW-COOL2021-S302.
- 2022. - 6 p.
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2022-01-05
14:23
Numerical noise due to binning in macroparticle simulations / Lasheen, Alexandre (CERN)
Numerical noise is an important parameter to minimize to ensure convergence of the macroparticle simulation results. [...]
CERN-ACC-NOTE-2022-0002.
- 2021. - 15 p.

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2022-01-05
12:30
Energy Matching Between Linac4 and the PSB / Albright, Simon (CERN) ; Antoniou, Fanouria (CERN) ; Asvesta, Foteini (CERN) ; Skowronski, Piotr Krzysztof (CERN)
Until 2018, before Long Shutdown 2, injection to the PSB was done with a coasting proton beam from Linac2, which was then captured by the RF system. [...]
CERN-ACC-NOTE-2022-0001.
- 2022. - 7 p.
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2021-12-15
10:45
Proof-of-principle of the ultra-narrowband detection scheme at 30 GHz toward weakly interacting slim particle search / Miyazaki, Akira (Uppsala University (SE)) ; Caspers, Fritz (European Scientific Institute (FR)) ; Steinmann, J L (Karlsruhe Institute of Technology) ; Ruess, Tobias (Karlsruhe Institute of Technology) ; Jelonnek, John (Karlsruhe Institute of Technology)
A coherent detection scheme was tested for dark photons and axion search with millimeter waves [...]
CERN-ACC-NOTE-2021-0032.
- 2021.
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2021-12-10
11:36
Novel cavity with ultra-low R/Q for CLIC damping ring RF system / Grudiev, Alexej (CERN) ; Mastoridis, Themistoklis (California Polytechnic State Univ. (US))
The Compact Linear Collider (CLIC) Damping Rings (DRs) need to generate ultra-low emittance bunches to achieve high luminosity in CLIC. [...]
CERN-ACC-2021-0008 ; CLIC-Note-1173.
- 2021. - 24 p.
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2021-11-24
11:27
Benchmark of e-cooling simulations with RF-Track / Borucka, Agnieszka Elzbieta (Warsaw University of Technology (PL)) ; Gamba, Davide (CERN) ; Latina, Andrea (CERN)
Electron cooling is a commonly-used technique to reduce emittance and momentum spread in ion storage rings. [...]
CERN-ACC-NOTE-2021-0031.
- 2021.

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2021-11-24
10:22
LHC procedure: excite 3 pilot bunches with AC-dipoles / Malina, Lukas ; Tomas Garcia, Rogelio (CERN)
This note summarises the pre-requisites and steps of optics measurement using AC-dipoles to excite three pilot bunches at beam energy above 4 TeV instead of a single bunch allowed previously for machine protection restrictions..
CERN-ACC-NOTE-2021-0030.
- 2020. - 2 p.

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2021-11-12
17:09
LHC Configuration and Operational Scenario for Run 3 / Fartoukh, Stephane (CERN) ; Kostoglou, Sofia (CERN) ; Solfaroli Camillocci, Matteo (CERN) ; Arduini, Gianluigi (CERN) ; Bartosik, Hannes (CERN) ; Bracco, Chiara (CERN) ; Brodzinski, Krzysztof (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Calviani, Marco (CERN) et al.
After its second successful run period, the Large Hadron Collider (LHC) shut down for three years with the plan of being recommissioned in 2022 for a three-year physics production period, the Run 3. [...]
CERN-ACC-2021-0007.
- 2021. - 33 p.
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2021-10-29
17:13
A simplified analytical model for the electron cloud build-up process / Iadarola, Giovanni (CERN)
A simple analytical model is introduced to illustrate the main features involved in the formation of electron clouds in the beam pipes of particle accelerators [...]
CERN-ACC-NOTE-2021-0029.
- 2021.

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