Experimental Observation of Plasma Wakefield Growth Driven by the Seeded Self-Modulation of a Proton Bunch.
Experimental Observation of Plasma Wakefield Growth Driven by the Seeded Self-Modulation of a Proton Bunch.
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DOI：
10.1103/physrevlett.122.054801
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发表时间：
2018-09
影响因子：
8.6
通讯作者：
M. Turner;E. Adli;Arun Ahuja;O. Apsimon;O. Apsimon;R. Apsimon;R. Apsimon;A. Bachmann;A. Bachmann;A. Bachmann;M. B. Marin;Diego Barrientos;F. Batsch;F. Batsch;F. Batsch;J. Batkiewicz;J. Bauche;V. Olsen;M. Bernardini;B. Biskup;A. Boccardi;T. Bogey;T. Bohl;C. Bracco;F. Braunmüller;S. Burger;G. Burt;G. Burt;S. Bustamante;B. Buttenschön;A. Caldwell;M. Cascella;J. Chappell;E. Chevallay;M. Chung;D. Cooke;H. Damerau;L. Deacon;L. Deubner;A. Dexter;A. Dexter;S. Doebert;J. Farmer;V. Fedosseev;G. Fior;R. Fiorito;R. Fiorito;Ricardo A. Fonseca;F. Friebel;L. Garolfi;S. Gessner;I. Gorgisyan;A. Gorn;A. Gorn;Eduardo Granados;O. Grulke;O. Grulke;E. Gschwendtner;A. Guerrero;J. Hansen;A. Helm;J. Henderson;J. Henderson;C. Hessler;W. Höfle;M. Hüther;M. Ibison;M. Ibison;L. Jensen;S. Jolly;F. Keeble;Shinseog Kim;F. Kraus;T. Lefevre;G. LeGodec;Yichen Li-;Yichen Li-;S. Liu;N. Lopes;K. Lotov;K. Lotov;L. Brun;M. Martyanov;S. Mazzoni;D. Godoy;V. A. Minakov;V. A. Minakov;James Mitchell;James Mitchell;J. Molendijk;R. Mompo;J. Moody;M. Moreira;M. Moreira;P. Muggli;P. Muggli;E. Öz;E. Ozturk;C. Mutin;C. Pasquino;A. Pardons;F. Asmus;F. Asmus;K. Pepitone;A. Perera;A. Perera;A. Petrenko;A. Petrenko;S. Pitman;S. Pitman;G. Plyushchev;G. Plyushchev;A. Pukhov;S. Rey;K. Rieger;H. Ruhl;Janet Schmidt;I. Shalimova;E. Shaposhnikova;P. Sherwood;Luís O. Silva;L. Soby;A. Sosedkin;A. Sosedkin;R. Speroni;R. Spitsyn;R. Spitsyn;P. Tuev;P. Tuev;F. Velotti;L. Verra;L. Verra;V. Verzilov;J. Vieira;H. Vincke;C. Welsch;C. Welsch;B. Williamson;B. Williamson;M. Wing;B. Woolley;G. Xia;G. Xia
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作者：
M. Turner;E. Adli;Arun Ahuja;O. Apsimon;O. Apsimon;R. Apsimon;R. Apsimon;A. Bachmann;A. Bachmann;A. Bachmann;M. B. Marin;Diego Barrientos;F. Batsch;F. Batsch;F. Batsch;J. Batkiewicz;J. Bauche;V. Olsen;M. Bernardini;B. Biskup;A. Boccardi;T. Bogey;T. Bohl;C. Bracco;F. Braunmüller;S. Burger;G. Burt;G. Burt;S. Bustamante;B. Buttenschön;A. Caldwell;M. Cascella;J. Chappell;E. Chevallay;M. Chung;D. Cooke;H. Damerau;L. Deacon;L. Deubner;A. Dexter;A. Dexter;S. Doebert;J. Farmer;V. Fedosseev;G. Fior;R. Fiorito;R. Fiorito;Ricardo A. Fonseca;F. Friebel;L. Garolfi;S. Gessner;I. Gorgisyan;A. Gorn;A. Gorn;Eduardo Granados;O. Grulke;O. Grulke;E. Gschwendtner;A. Guerrero;J. Hansen;A. Helm;J. Henderson;J. Henderson;C. Hessler;W. Höfle;M. Hüther;M. Ibison;M. Ibison;L. Jensen;S. Jolly;F. Keeble;Shinseog Kim;F. Kraus;T. Lefevre;G. LeGodec;Yichen Li-;Yichen Li-;S. Liu;N. Lopes;K. Lotov;K. Lotov;L. Brun;M. Martyanov;S. Mazzoni;D. Godoy;V. A. Minakov;V. A. Minakov;James Mitchell;James Mitchell;J. Molendijk;R. Mompo;J. Moody;M. Moreira;M. Moreira;P. Muggli;P. Muggli;E. Öz;E. Ozturk;C. Mutin;C. Pasquino;A. Pardons;F. Asmus;F. Asmus;K. Pepitone;A. Perera;A. Perera;A. Petrenko;A. Petrenko;S. Pitman;S. Pitman;G. Plyushchev;G. Plyushchev;A. Pukhov;S. Rey;K. Rieger;H. Ruhl;Janet Schmidt;I. Shalimova;E. Shaposhnikova;P. Sherwood;Luís O. Silva;L. Soby;A. Sosedkin;A. Sosedkin;R. Speroni;R. Spitsyn;R. Spitsyn;P. Tuev;P. Tuev;F. Velotti;L. Verra;L. Verra;V. Verzilov;J. Vieira;H. Vincke;C. Welsch;C. Welsch;B. Williamson;B. Williamson;M. Wing;B. Woolley;G. Xia;G. Xia
本文测量了相对论质子束团在密度为2.1×10^{14}和7.7×10^{14}电子/cm^{3}的等离子体中驱动的横向尾场效应。我们发现，这些尾场周期性散焦质子束本身，一致的种子自调制过程的发展。我们表明，散焦增加沿着束和沿着等离子体通过使用时间分辨和时间积分测量的质子束的横向分布。我们评估了横向韦克菲尔德振幅，并表明它们超过了它们的种子值（<15 MV/m），达到了300 MV/m以上。所有这些结果证实了种子自调制过程的发展，外部注入的低能量和加速的电子多GeV的能级的必要条件。
We measure the effects of transverse wakefields driven by a relativistic proton bunch in plasma with densities of 2.1×10^{14} and 7.7×10^{14} electrons/cm^{3}. We show that these wakefields periodically defocus the proton bunch itself, consistently with the development of the seeded self-modulation process. We show that the defocusing increases both along the bunch and along the plasma by using time resolved and time-integrated measurements of the proton bunch transverse distribution. We evaluate the transverse wakefield amplitudes and show that they exceed their seed value (<15 MV/m) and reach over 300 MV/m. All these results confirm the development of the seeded self-modulation process, a necessary condition for external injection of low energy and acceleration of electrons to multi-GeV energy levels.