CERN Accelerating science

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1.
Mapping charge capture and acceleration in a plasma wakefield of a proton bunch using variable emittance electron beam injection / AWAKE Collaboration
In the Phase 2 of the AWAKE first experimental run (from May to November 2018), an electron beam was used to probe and test proton-driven wakefield acceleration in a rubidium plasma column. In this work, we analyze the overall charge capture and shot-to-shot reproducibility of the proton-driven plasma wakefield accelerator with various electron bunch injection parameters. [...]
arXiv:2206.14075.- 2022-07-19 - 4 p. - Published in : JACoW IPAC 2022 (2022) WEPOST039 Fulltext: document - PDF; 2206.14075 - PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.WEPOST039
2.
The AWAKE Run 2 programme and beyond / AWAKE Collaboration
Plasma wakefield acceleration is a promising technology to reduce the size of particle accelerators. Use of high energy protons to drive wakefields in plasma has been demonstrated during Run 1 of the AWAKE programme at CERN. [...]
arXiv:2206.06040.- 2022-08-12 - 21 p. - Published in : Symmetry 14 (2022) 1680 Fulltext: document - PDF; 2206.06040 - PDF;
3.
Generation and delivery of an ultraviolet laser beam for the RF-photoinjector of the AWAKE electron beam / Fedosseev, Valentin (CERN) ; Batsch, Fabian (CERN) ; Capelli, Candy (CERN) ; Chevallay, Eric (CERN) ; Chritin, Nicolas (CERN) ; Döbert, Steffen (CERN) ; Feniet, Thierry (CERN) ; Friebel, Florence (CERN) ; Gander, Pierre (CERN) ; Granados, Eduardo (CERN) et al.
In the AWAKE experiment, the electron beam is used to probe the proton-driven wakefield acceleration in plasma. Electron bunches are produced using an rf-gun equipped with a Cs$_2$Te photocathode illuminated by an ultraviolet (UV) laser pulse. [...]
CERN-ACC-2019-231.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-THPGW054 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPGW054
4.
AWAKE Proton Beam Commissioning / Schmidt, Janet (CERN) ; Barrientos, Diego (CERN) ; Barros Marin, Manoel (CERN) ; Biskup, Bartolomej (CERN) ; Boccardi, Andrea (CERN) ; Bogey, Thierry (CERN) ; Bohl, Thomas (CERN) ; Bracco, Chiara (CERN) ; Cettour Cave, Stephane (CERN) ; Damerau, Heiko (CERN) et al.
AWAKE will be the first proton driven plasma wakefield acceleration experiment worldwide. The facility is located in the former CNGS area at CERN and includes a proton, laser and electron beam line merging in a 10 m long plasma cell, which is followed by the experimental diagnostics. [...]
2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-TUPIK032 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPIK032
5.
Interferometer-based high-accuracy white light measurement of neutral rubidium density and gradient at AWAKE / Batsch, Fabian (CERN ; Munich, Max Planck Inst. ; Munich, Tech. U.) ; Martyanov, Mikhail (Munich, Max Planck Inst.) ; Oez, Erdem (Munich, Max Planck Inst.) ; Moody, Joshua (Munich, Max Planck Inst.) ; Gschwendtner, Edda (CERN) ; Caldwell, Allen (Munich, Max Planck Inst.) ; Muggli, Patric (CERN ; Munich, Max Planck Inst.)
The AWAKE experiment requires an automated online rubidium (Rb) plasma density and gradient diagnostic for densities between 1 and 10$\cdot$10$^{14}$ cm$^{-3}$. A linear density gradient along the plasma source at the percent level may be useful to improve the electron acceleration process. [...]
arXiv:1802.04604.- 2018-02-24 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 909 (2018) 359-363 Fulltext: PDF; Fulltext from Publisher: PDF;
In : 3rd European Advanced Accelerator Concepts Workshop, La Biodola, Isola d'Elba, Italy, 24 - 30 Sep 2017, pp.359-363
6.
RF Synchronization and Distribution for AWAKE at CERN / Damerau, Heiko (CERN) ; Barrientos, Diego (CERN) ; Bohl, Thomas (CERN) ; Butterworth, Andrew (CERN) ; Döbert, Steffen (CERN) ; Höfle, Wolfgang (CERN) ; Molendijk, John (CERN) ; Moody, Joshua (Munich, Max Planck Inst.) ; Muggli, Patric (Munich, Max Planck Inst.) ; Rey, Stephane (CERN) et al.
The Advanced Wakefield Experiment at CERN (AWAKE) requires two particle beams and a high power laser pulse to arrive simultaneously in a rubidium plasma cell. A proton bunch from the SPS extracted about once every 30 seconds must be synchronised with the AWAKE laser and the electron beam pulsing at a repetition rate of 10 Hz. [...]
CERN-ACC-2016-150.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPMY039 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMY039
7.
Integration of a Terawatt Laser at the CERN SPS Beam for the AWAKE Experiment on Proton-Driven Plasma Wake Acceleration / Fedosseev, Valentin (CERN) ; Battistin, Michele (CERN) ; Chevallay, Eric (CERN) ; Chritin, Nicolas (CERN) ; Clerc, Vincent (CERN) ; Feniet, Thierry (CERN) ; Friebel, Florence (CERN) ; Galleazzi, Frederic (CERN) ; Gander, Pierre (CERN) ; Gschwendtner, Edda (CERN) et al.
In the AWAKE experiment a high-power laser pulse ionizes rubidium atoms inside a 10 m long vapor cell thus creating a plasma for proton-driven wakefield acceleration of electrons. Propagating co-axial with the SPS proton beam the laser pulse seeds the self-modulation instability within the proton bunch on the front of plasma creation. [...]
CERN-ACC-2016-209.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-WEPMY020 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.WEPMY020
8.
Laser pulse propagation in a meter scale rubidium vapor/plasma cell in AWAKE experiment / Joulaei, Atefeh (Munich, Max Planck Inst. ; Mazandaran U., Babolsar) ; Moody, Joshua (Munich, Max Planck Inst.) ; Berti, Nicolas (Geneva U.) ; Kasparian, Jerome (Geneva U.) ; Mirzanejhad, Saeed (Mazandaran U., Babolsar) ; Muggli, Patric (Munich, Max Planck Inst.)
We present the results of numerical studies of laser pulse propagating in a 3.5 cm Rb vapor cell in the linear dispersion regime by using a 1D model and a 2D code that has been modified for our special case. The 2D simulation finally aimed at finding laser beam parameters suitable to make the Rb vapor fully ionized to obtain a uniform, 10 m-long, at least 1 mm in radius plasma in the next step for the AWAKE experiment..
arXiv:1512.05235.- 2016-09-01 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 829 (2016) 339-342 Fulltext: PDF; External link: Preprint
In : 2nd European Advanced Accelerator Concepts Workshop, La Biodola, Isola d'Elba, Italy, 12 - 19 Sep 2015, pp.339-342

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