Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch

Chappell, J.; Adli, E.; Agnello, R.; Aladi, M.; Andrebe, Y.; Apsimon, O.; Apsimon, R.; Bachmann, A. -M.; Baistrukov, M.  A.; Batsch, F.; Bergamaschi, M.; Blanchard, P.; Burrows, P.  N.; Buttenschön, B.; Caldwell, A.; Chevallay, E.; Chung, M.; Cooke, D.  A.; Damerau, H.; Davut, C.; Demeter, G.; Deubner, L.  H.; Dexter, A.; Djotyan, G.  P.; Doebert, S.; Farmer, J.; Fasoli, A.; Fedosseev, V.  N.; Fiorito, R.; Fonseca, R.  A.; Friebel, F.; Furno, I.; Garolfi, L.; Gessner, S.; Goddard, B.; Gorgisyan, I.; Gorn, A.  A.; Granados, E.; Granetzny, M.; Grulke, O.; Gschwendtner, E.; Hafych, V.; Hartin, A.; Helm, A.; Henderson, J.  R.; Howling, A.; Hüther, M.; Jacquier, R.; Jolly, S.; Kargapolov, I.  Yu.; Kedves, M.  Á.; Keeble, F.; Kelisani, M.  D.; Kim, S. -Y.; Kraus, F.; Krupa, M.; Lefevre, T.; Li, Y.; Liang, L.; Liu, S.; Lopes, N.; Lotov, K.  V.; Martyanov, M.; Mazzoni, S.; Medina Godoy, D.; Minakov, V.  A.; Moody, J.  T.; Morales Guzmán, P.  I.; Moreira, M.; Panuganti, H.; Pardons, A.; Peña Asmus, F.; Perera, A.; Petrenko, A.; Pucek, J.; Pukhov, A.; Ráczkevi, B.; Ramjiawan, R.  L.; Rey, S.; Ruhl, H.; Saberi, H.; Schmitz, O.; Senes, E.; Sherwood, P.; Silva, L.  O.; Spitsyn, R.  I.; Tuev, P.  V.; Velotti, F.; Verra, L.; Verzilov, V.  A.; Vieira, J.; Welsch, C.  P.; Williamson, B.; Wing, M.; Wolfenden, J.; Woolley, B.; Xia, G.; Zepp, M.; Zevi Della Porta, G.

doi:10.1103/physrevaccelbeams.24.011301

Title: Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch

Journal Article · Tue Jan 05 00:00:00 EST 2021 · Physical Review Accelerators and Beams

DOI:https://doi.org/10.1103/physrevaccelbeams.24.011301· OSTI ID:1768253

; Adli, E.; Agnello, R.; Aladi, M.; Andrebe, Y.; Apsimon, O.; Apsimon, R.; Bachmann, A. -M.; Baistrukov, M. A.; Batsch, F.; Bergamaschi, M.; Blanchard, P.; Burrows, P. N.; Buttenschön, B.; Caldwell, A.; Chevallay, E.; Chung, M.; Cooke, D. A.; Damerau, H.; Davut, C. more »

Plasma wakefield dynamics over timescales up to 800 ps, approximately 100 plasma periods, are studied experimentally at the Advanced Wakefield Experiment (AWAKE). The development of the longitudinal wakefield amplitude driven by a self-modulated proton bunch is measured using the external injection of witness electrons that sample the fields. In simulation, resonant excitation of the wakefield causes plasma electron trajectory crossing, resulting in the development of a potential outside the plasma boundary as electrons are transversely ejected. Trends consistent with the presence of this potential are experimentally measured and their dependence on wakefield amplitude are studied via seed laser timing scans and electron injection delay scans.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES); Leverhulme Trust; National Science Foundation (NSF); German Research Foundation (DFG); National Research Foundation of Korea (NRF); Portuguese Foundation for Science and Technology (FCT); German Federal Ministry of Education and Research (BMBF); Russian Science Foundation; European Research Council (ERC)

Contributing Organization:: AWAKE Collaboration

Grant/Contract Number:: AC02-76SF00515; 765710; NRF-2016R1A5A1013277; NRF-2019R1F1A1062377; 20-12-00062; SFRH/IF/01635/2015; PTDC-FIS-PLA-2940-2014; UID/FIS/50010/2013; CERN/FIS-TEC/0032/2017; PHY-1903316; RPG-2017-143; PU 213-6/1; 05E15CHA

OSTI ID:: 1768253

Journal Information:: Physical Review Accelerators and Beams, Vol. 24, Issue 1; ISSN 2469-9888

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

References (31)

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