Experimental study of wakefields driven by a self-modulating proton bunch in plasma

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ID: 270742
2020
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Abstract
We study experimentally the longitudinal and transverse wakefields driven by a highly relativistic proton bunch during self-modulation in plasma. We show that the wakefields’ growth and amplitude increase with increasing seed amplitude as well as with the proton bunch charge in the plasma. We study transverse wakefields using the maximum radius of the proton bunch distribution measured on a screen downstream from the plasma. We study longitudinal wakefields by externally injecting electrons and measuring their final energy. Measurements agree with trends predicted by theory and numerical simulations and validate our understanding of the development of self-modulation. Experiments were performed in the context of the Advanced Wakefield Experiment (AWAKE).
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Authors M. Turner,P. Muggli,E. Adli,R. Agnello,M. Aladi,Y. Andrebe,O. Apsimon,A.-M. Bachmann,M. A. Baistrukov,F. Batsch,M. Bergamaschi,P. Blanchard,P. N. Burrows,B. Buttenschön,A. Caldwell,J. Chappell,E. Chevallay,M. Chung,D. A. Cooke,H. Damerau,C. Davut,G. Demeter,L. H. Deubner,A. Dexter,G. P. Djotyan,S. Doebert,J. Farmer,A. Fasoli,V. N. Fedosseev,R. Fiorito,R. A. Fonseca,F. Friebel,I. Furno,L. Garolfi,S. Gessner,B. Goddard,I. Gorgisyan,A. A. Gorn,E. Granados,M. Granetzny,O. Grulke,E. Gschwendtner,V. Hafych,A. Hartin,A. Helm,J. R. Henderson,A. Howling,M. Hüther,R. Jacquier,S. Jolly,I. Yu. Kargapolov,M. Á. Kedves,F. Keeble,M. D. Kelisani,S.-Y. Kim,F. Kraus,M. Krupa,T. Lefevre,Y. Li,L. Liang,S. Liu,N. Lopes,K. V. Lotov,M. Martyanov,S. Mazzoni,D. Medina Godoy,V. A. Minakov,J. T. Moody,P. I. Morales Guzmán,M. Moreira,H. Panuganti,A. Pardons,F. Peña Asmus,A. Perera,A. Petrenko,J. Pucek,A. Pukhov,B. Ráczkevi,R. L. Ramjiawan,S. Rey,H. Ruhl,H. Saberi,O. Schmitz,E. Senes,P. Sherwood,L. O. Silva,P. V. Tuev,F. Velotti,L. Verra,V. A. Verzilov,J. Vieira,C. P. Welsch,B. Williamson,M. Wing,J. Wolfenden,B. Woolley,G. Xia,M. Zepp,G. Zevi Della Porta,AWAKE Collaboration;M. Turner;P. Muggli;E. Adli;R. Agnello;M. Aladi;Y. Andrebe;O. Apsimon;A.-M. Bachmann;M. A. Baistrukov;F. Batsch;M. Bergamaschi;P. Blanchard;P. N. Burrows;B. Buttenschön;A. Caldwell;J. Chappell;E. Chevallay;M. Chung;D. A. Cooke;H. Damerau;C. Davut;G. Demeter;L. H. Deubner;A. Dexter;G. P. Djotyan;S. Doebert;J. Farmer;A. Fasoli;V. N. Fedosseev;R. Fiorito;R. A. Fonseca;F. Friebel;I. Furno;L. Garolfi;S. Gessner;B. Goddard;I. Gorgisyan;A. A. Gorn;E. Granados;M. Granetzny;O. Grulke;E. Gschwendtner;V. Hafych;A. Hartin;A. Helm;J. R. Henderson;A. Howling;M. Hüther;R. Jacquier;S. Jolly;I. Yu. Kargapolov;M. Á. Kedves;F. Keeble;M. D. Kelisani;S.-Y. Kim;F. Kraus;M. Krupa;T. Lefevre;Y. Li;L. Liang;S. Liu;N. Lopes;K. V. Lotov;M. Martyanov;S. Mazzoni;D. Medina Godoy;V. A. Minakov;J. T. Moody;P. I. Morales Guzmán;M. Moreira;H. Panuganti;A. Pardons;F. Peña Asmus;A. Perera;A. Petrenko;J. Pucek;A. Pukhov;B. Ráczkevi;R. L. Ramjiawan;S. Rey;H. Ruhl;H. Saberi;O. Schmitz;E. Senes;P. Sherwood;L. O. Silva;P. V. Tuev;F. Velotti;L. Verra;V. A. Verzilov;J. Vieira;C. P. Welsch;B. Williamson;M. Wing;J. Wolfenden;B. Woolley;G. Xia;M. Zepp;G. Zevi Della Porta;AWAKE Collaboration;
Journal physical review accelerators and beams
Year 2020
DOI
10.1103/physrevaccelbeams.23.081302
URL
https://sciprofiles.com/publication/view/fbea87e0985632041720fee30abf7554
Keywords
Plasma experimental transverse numerical simulations wakefields amplitude proton bunch modulation

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