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ATS Notes

Derniers ajouts:
2018-06-12
10:25
Redesign of CERN LINAC3 RFQ for Lead 29+ / Benedetti, Stefano (CERN) ; Bellodi, Giulia (CERN) ; Lallement, Jean-Baptiste (CERN) ; Lombardi, Alessandra (CERN)
CERN Linac3 is at the heart of the CERN Heavy Ion Facility, providing 4.2 MeV/u ion beams to the Low Energy Ion Ring (LEIR) [...]
CERN-ACC-NOTE-2018-0044.
- 2018.

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2018-06-12
10:20
The 2017 Xe run at CERN Linac3: measurements and beam dynamics simulations / Benedetti, Stefano (CERN) ; Bellodi, Giulia (CERN) ; Kuchler, Detlef (CERN) ; Lombardi, Alessandra (CERN) ; Wenander, Fredrik John Carl (CERN) ; Toivanen, Ville Aleksi
At CERN quark-gluon plasma and fixed target ion experiments are performed thanks to the Heavy-ion Facility, composed by different accelerators. [...]
CERN-ACC-NOTE-2018-0043.
- 2018.

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2018-05-31
13:49
Crab Cavity effects on transverse distribution evolution and tail cleaning in the HL-LHC / Baudrenghien, Philippe (CERN) ; Mastoridis, Themistoklis (California Polytechnic State Univ. (US)) ; Steeper, S (California Polytechnic State Univ. (US)) ; Tucker, D (California Polytechnic State Univ. (US)) ; Wieker, Devin (California Polytechnic State Univ. (US))
This work presents the transverse action and tune distribution evolution as a function of the Crab Cavity RF noise Power Spectral Density (PSD). [...]
CERN-ACC-NOTE-2018-0042.
- 2018. - 10 p.
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2018-05-29
15:49
Fast loss analysis with LHC diamond detectors in 2017 / Gorzawski, Arkadiusz (University of Malta (MT)) ; Redaelli, Stefano (CERN) ; Fuster Martinez, Nuria (CERN) ; Garcia Morales, Hector (University of London (GB)) ; Mereghetti, Alessio (CERN) ; Cai, Xu (Central China Normal University CCNU (CN)) ; Valentino, Gianluca (University of Malta (MT)) ; Appleby, Robert Barrie (University of Manchester (GB))
We presented some applications of the diamond BLM system installed in the LHC betatron collimation insertion. [...]
CERN-ACC-NOTE-2018-0041.
- 2018. - 29 p.

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2018-05-29
08:39
REDESIGN OF CERNS QUADRUPOLE RESONATOR FOR TESTING OF SUPERCONDUCTING SAMPLES / Del Pozo Romano, Veronica (CERN)
The quadrupole resonator (QPR) was constructed in 1997 to measure the surface resistance of niobium samples at 400 MHz, the technology and RF frequency chosen for the LHC. [...]
CERN-ACC-NOTE-2018-0040.
- 2017. - 10 p.

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2018-05-28
13:13
SRF cavity testing using a FPGA Self Excited Loop / Ben-Zvi, Ilan (Brookhaven National Laboratory (US))
This document provides a detailed description of procedures for very-high precision calibration and testing of superconducting RF cavities using digital Low-Level RF (LLRF) electronics based on Field Programmable Gate Arrays (FPGA). [...]
CERN-ACC-NOTE-2018-0039.
- 2018. - 36 p.
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2018-05-22
11:55
LHCb Upgrades and operation at 1034 cm-2 s-1 luminosity –A first study / Efthymiopoulos, Ilias (CERN) ; Arduini, Gianluigi (CERN) ; Baglin, Vincent (CERN) ; Burkhardt, Helmut (CERN) ; Cerutti, Francesco (CERN) ; Claudet, Serge (CERN) ; Di Girolamo, Beniamino (CERN) ; De Maria, Riccardo (CERN) ; Esposito, Luigi Salvatore (CERN) ; Karastathis, Nikos (CERN) et al.
Presently, the LHCb experiment at IP8 operates at reduced luminosity (~4.0 1032 cm-2 s-1) compared to ATLAS and CMS experiments. [...]
CERN-ACC-NOTE-2018-0038.
- 2018.

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2018-04-23
09:05
Proposal for a Simplified Management of Accelerator Settings in the Injector Complex Based on Automatic Setting Propagation / Damerau, Heiko (CERN)
With the increasing number of beams with different characteristics the number of controls settings to pilot the accelerator hardware has grown proportionally. [...]
CERN-ACC-NOTE-2018-0037.
- 2018. - 6 p.

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2018-04-20
16:04
Status of the studies on collective effects involving beam-beam interactions at the HL-LHC / Buffat, Xavier (CERN) ; Barraud, Laurent (Universite Pierre et Marie Curie et Universite Denis Diderot (FR)) ; Metral, Elias (CERN) ; Ribes Metidieri, Ariadna (University of Barcelona (ES)) ; Barranco Garcia, Javier (EPFL - Ecole Polytechnique Federale Lausanne (CH)) ; Goncalves Jorge, Patrik ; Pieloni, Tatiana (EPFL - Ecole Polytechnique Federale Lausanne (CH)) ; Tambasco, Claudia (EPFL - Ecole Polytechnique Federale Lausanne (CH))
This note summarised the status of the studies on the coherent beam-beam effects in the HL-LHC project. [...]
CERN-ACC-NOTE-2018-0036.
- 2018. - 24 p.
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2018-04-20
15:58
Report from LHC MDs 1391 and 1483: Tests of new methods for study of nonlinear errors in the LHC experimental insertions / Maclean, Ewen Hamish (University of Malta (MT)) ; Carlier, Felix Simon (Technische Universiteit Delft (NL)) ; Fuchsberger, Kajetan (CERN) ; Giovannozzi, Massimo (CERN) ; Persson, Tobias Hakan Bjorn (CERN) ; Tomas Garcia, Rogelio (CERN)
Nonlinear errors in experimental insertions can pose a significant challenge to the operability of low-β∗ colliders. [...]
CERN-ACC-NOTE-2018-0035.
- 2017. - 14 p.

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LHC MD Notes (110)