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CERN Accelerating science

CERN Document Server 2,049 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 0.24 sekúnd. 
1.
Initial longitudinal diagnostics for ELENA’s commissioning / Angoletta, Maria Elena (CERN) ; Jaussi, Michael (CERN) ; Molendijk, John (CERN)
CERN’s Extra Low ENergy Antiproton (ELENA) ring underwent its second full year of beam commissioning in 2018 and succeeded in decelerating more than 1 E7 antiprotons to extraction energy. [...]
CERN-ACC-Note-2019-0051.
- 2019.
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2.
LLRF beam results on the first year of ELENA’s commissioning with beam / Angoletta, Maria Elena (CERN) ; Jaussi, Michael (CERN) ; Molendijk, John (CERN) ; Sanchez Quesada, Jorge
CERN’s Extra Low ENergy Antiproton (ELENA) ring’s commissioning with beam started in earnest in March 2017. [...]
CERN-ACC-Note-2018-0014.
- 2018. - 26 p.
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3.
New LLRF capabilities and beam results for the second year of ELENA’s commissioning / Angoletta, Maria Elena (CERN) ; Jaussi, Michael (CERN) ; Molendijk, John (CERN)
CERN’s Extra Low ENergy Antiproton (ELENA) ring underwent its second full year of beam commissioning in 2018. [...]
CERN-ACC-Note-2019-0050.
- 2019.
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4.
The new digital Low-Level RF system for CERN's Extra Low ENergy Antiproton machine / Angoletta, Maria Elena (CERN) ; Jaussi, Michael (CERN) ; Molendijk, John (CERN)
CERN’s new Extra Low ENergy Antiproton accelerator/decelerator (ELENA) completed its initial commissioning in 2018. This machine is equipped with a new digital Low-Level RF (LLRF) system that implements beam and cavity loops as well as longitudinal diagnostics. [...]
CERN-ACC-2019-252.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-THPRB069 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPRB069
5.
Coupled-bunch instabilities due to fundamental cavity impedance / Mastoridis, Themistoklis (California Polytechnic State Univ. (US)) ; Baudrenghien, Philippe (CERN) ; Chapochnikova, Elena (CERN) ; Esteban Muller, Juan (CERN) ; Molendijk, John (CERN) ; Timko, Helga (CERN)
The purpose of this MD was to estimate the stability threshold due to longitudinal coupled-bunch instabilities (CBIs) driven by the RF cavities' fundamental impedance. [...]
CERN-ACC-NOTE-2017-0009.
- 2017.
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6.
Cavity Voltage Phase Modulation MD / Mastoridis, Themistoklis (California Polytechnic State Univ. (US)) ; Baudrenghien, Philippe (CERN) ; Molendijk, John (CERN) ; Timko, Helga (CERN)
The LHC RF/LLRF system is currently configured for extremely stable RF voltage to minimize transient beam loading effects. [...]
CERN-ACC-NOTE-2016-0061.
- 2016. - 6 p.
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7.
A new digital Low-Level RF and longitudinal diagnostic system for CERN’s AD / Angoletta, Maria Elena (CERN) ; Albright, Simon (CERN) ; Findlay, Alan (CERN) ; Jaussi, Michael (CERN) ; Molendijk, John (CERN) ; Myklebust, Vebjorn Roed (CERN)
The Antiproton Decelerator (AD) has been routinely providing 3 E7 antiprotons since July 2000 at 100 MeV/c from 3.5 GeV/c. It will be refurbished during the Long Shutdown 2 (LS2) to provide reliable operation for the new Extra Low ENergy Antiproton (ELENA) ring. [...]
CERN-ACC-2019-251.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-THPRB070 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPRB070
8.
An ultra low-noise AC beam transformer and digital signal processing system for CERN's ELENA ring / Angoletta, M E (CERN) ; Carli, C (CERN) ; Caspers, F (CERN) ; Federmann, S (CERN) ; Molendijk, J (CERN) ; Pedersen, F (CERN) ; Sanchez-Quesada, J (CERN)
CERN’s Extra Low ENergy Antiproton (ELENA) ring is a new synchrotron that will be commissioned in 2016 to further decelerate the antiprotons coming from CERN’s Antiproton Decelerator (AD). Essential longitudinal diagnostics required for commissioning and operation include the intensity measurement for bunched and debunched beams and the measurement of 􀀧p/p for debunched beams to assess the electron cooling performance. [...]
2013 Published version from JACoW: PDF;
In : 2nd International Beam Instrumentation Conference, Oxford, UK, 16 - 19 Sep 2013, pp.atupf27
9.
The Orbit Measurement System for the CERN Extra Low Energy Antiproton Ring / Marqversen, Ole (CERN) ; Angoletta, Maria Elena (CERN) ; Jaussi, Michael (CERN) ; Marco-Hernandez, Ricardo (Valencia U., IFIC) ; Molendijk, John (CERN) ; Ruffieux, Romain (CERN) ; Sanchez-Quesada, Jorge (CERN) ; Søby, Lars (CERN)
The CERN Extra Low ENergy Antiproton ring (ELENA) intended to decelerate anti-protons from the CERN Antiproton Decelerator from 100Mev/c to 13.7MeV/c, has been equipped with an orbit measurement system consisting of 10 horizontal and 10 vertical electrostatic pick-ups. Using charge amplifiers the signals are converted into sum and difference signals that, once digitalized, are down converted to baseband and used to calculate intensity independent beam positions. [...]
2018 - 3 p. - Published in : 10.18429/JACoW-IBIC2017-TUPCF05 Fulltext: PDF;
In : 6th International Beam Instrumentation Conference, Grand Rapids, MI, USA, 20 -24 Aug 2017, pp.TUPCF05
10.
Achievements and New Challenges for CERN's Digital LLRF Family / Angoletta, M.E. (CERN) ; Albright, S. (CERN) ; Findlay, A. (CERN) ; Myklebust, V.R. (CERN) ; Jaussi, M. (CERN) ; Molendijk, J.C. (CERN) ; Pittet, N. (CERN)
An innovative digital Low-Level RF (LLRF) family has been developed at CERN and deployed on several circular machines. [...]
arXiv:1910.06643.
- 5 p.
Fulltext

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