Proton Bunch Self-Modulation in Plasma with Density Gradient

F. Braunmüller; T. Nechaeva; E. Adli; R. Agnello; M. Aladi; Y. Andrebe; O. Apsimon; R. 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. 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; P. Muggli; 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; R. I. Spitsyn; P. V. Tuev; M. Turner; 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

doi:10.1103/PhysRevLett.125.264801

Proton Bunch Self-Modulation in Plasma with Density Gradient

F. Braunmüller, T. Nechaeva, E. Adli, R. Agnello, M. Aladi, Y. Andrebe, O. Apsimon, R. 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. CookeH. 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. 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, P. Muggli, 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, R. I. Spitsyn, P. V. Tuev, M. Turner, 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

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Abstract

We study experimentally the effect of linear plasma density gradients on the self-modulation of a 400 GeV proton bunch. Results show that a positive or negative gradient increases or decreases the number of microbunches and the relative charge per microbunch observed after 10 m of plasma. The measured modulation frequency also increases or decreases. With the largest positive gradient we observe two frequencies in the modulation power spectrum. Results are consistent with changes in wakefields' phase velocity due to plasma density gradients adding to the slow wakefields' phase velocity during self-modulation growth predicted by linear theory.

Original language	English
Article number	264801
Journal	Physical Review Letters
Volume	125
Issue number	26
Number of pages	7
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.125.264801
Publication status	Published - 2020

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Braunmüller, F., Nechaeva, T., 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., Chappell, J., Chevallay, E., Chung, M., ... Zevi Della Porta, G. (2020). Proton Bunch Self-Modulation in Plasma with Density Gradient. Physical Review Letters, 125(26), Article 264801. https://doi.org/10.1103/PhysRevLett.125.264801

@article{1a412876ba4d41aaa286d97d7afc030f,

title = "Proton Bunch Self-Modulation in Plasma with Density Gradient",

abstract = "We study experimentally the effect of linear plasma density gradients on the self-modulation of a 400 GeV proton bunch. Results show that a positive or negative gradient increases or decreases the number of microbunches and the relative charge per microbunch observed after 10 m of plasma. The measured modulation frequency also increases or decreases. With the largest positive gradient we observe two frequencies in the modulation power spectrum. Results are consistent with changes in wakefields' phase velocity due to plasma density gradients adding to the slow wakefields' phase velocity during self-modulation growth predicted by linear theory.",

author = "F. Braunm{\"u}ller and T. Nechaeva and E. Adli and R. Agnello and M. Aladi and Y. Andrebe and O. Apsimon and R. Apsimon and Bachmann, {A. M.} and Baistrukov, {M. A.} and F. Batsch and M. Bergamaschi and P. Blanchard and Burrows, {P. N.} and B. Buttensch{\"o}n and A. Caldwell and J. Chappell and E. Chevallay and M. Chung and Cooke, {D. A.} and H. Damerau and C. Davut and G. Demeter and Deubner, {L. H.} and A. Dexter and Djotyan, {G. P.} and S. Doebert and J. Farmer and A. Fasoli and Fedosseev, {V. N.} and R. Fiorito and Fonseca, {R. A.} and F. Friebel and I. Furno and L. Garolfi and S. Gessner and B. Goddard and I. Gorgisyan and Gorn, {A. A.} and E. Granados and M. Granetzny and O. Grulke and E. Gschwendtner and V. Hafych and A. Hartin and A. Helm and Henderson, {J. R.} and A. Howling and M. H{\"u}ther and R. Jacquier and S. Jolly and Kargapolov, {I. Yu} and M. Kedves and F. Keeble and Kelisani, {M. D.} and Kim, {S. Y.} and F. Kraus and M. Krupa and T. Lefevre and Y. Li and L. Liang and S. Liu and N. Lopes and Lotov, {K. V.} and M. Martyanov and S. Mazzoni and {Medina Godoy}, D. and Minakov, {V. A.} and Moody, {J. T.} and {Morales Guzm{\'a}n}, {P. I.} and M. Moreira and P. Muggli and H. Panuganti and A. Pardons and {Pe{\~n}a Asmus}, F. and A. Perera and A. Petrenko and J. Pucek and A. Pukhov and B. R{\'a}czkevi and Ramjiawan, {R. L.} and S. Rey and H. Ruhl and H. Saberi and O. Schmitz and E. Senes and P. Sherwood and Silva, {L. O.} and Spitsyn, {R. I.} and Tuev, {P. V.} and M. Turner and F. Velotti and L. Verra and Verzilov, {V. A.} and J. Vieira and Welsch, {C. P.} and B. Williamson and M. Wing and J. Wolfenden and B. Woolley and G. Xia and M. Zepp and {Zevi Della Porta}, G.",

note = "Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society.",

year = "2020",

doi = "10.1103/PhysRevLett.125.264801",

language = "English",

volume = "125",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "26",

}

Braunmüller, F, Nechaeva, T, Adli, E, Agnello, R, Aladi, M, Andrebe, Y, Apsimon, O, Apsimon, R, Bachmann, AM, Baistrukov, MA, Batsch, F, Bergamaschi, M, Blanchard, P, Burrows, PN, Buttenschön, B, Caldwell, A, Chappell, J, Chevallay, E, Chung, M, Cooke, DA, Damerau, H, Davut, C, Demeter, G, Deubner, LH, Dexter, A, Djotyan, GP, Doebert, S, Farmer, J, Fasoli, A, Fedosseev, VN, Fiorito, R, Fonseca, RA, Friebel, F, Furno, I, Garolfi, L, Gessner, S, Goddard, B, Gorgisyan, I, Gorn, AA, Granados, E, Granetzny, M, Grulke, O, Gschwendtner, E, Hafych, V, Hartin, A, Helm, A, Henderson, JR, Howling, A, Hüther, M, Jacquier, R, Jolly, S, Kargapolov, IY, Kedves, M, Keeble, F, Kelisani, MD, Kim, SY, Kraus, F, Krupa, M, Lefevre, T, Li, Y, Liang, L, Liu, S, Lopes, N, Lotov, KV, Martyanov, M, Mazzoni, S, Medina Godoy, D, Minakov, VA, Moody, JT, Morales Guzmán, PI, Moreira, M, Muggli, P, Panuganti, H, Pardons, A, Peña Asmus, F, Perera, A, Petrenko, A, Pucek, J, Pukhov, A, Ráczkevi, B, Ramjiawan, RL, Rey, S, Ruhl, H, Saberi, H, Schmitz, O, Senes, E, Sherwood, P, Silva, LO, Spitsyn, RI, Tuev, PV, Turner, M, Velotti, F, Verra, L, Verzilov, VA, Vieira, J, Welsch, CP, Williamson, B, Wing, M, Wolfenden, J, Woolley, B, Xia, G, Zepp, M & Zevi Della Porta, G 2020, 'Proton Bunch Self-Modulation in Plasma with Density Gradient', Physical Review Letters, vol. 125, no. 26, 264801. https://doi.org/10.1103/PhysRevLett.125.264801

TY - JOUR

T1 - Proton Bunch Self-Modulation in Plasma with Density Gradient

AU - Braunmüller, F.

AU - Nechaeva, T.

AU - Adli, E.

AU - Agnello, R.

AU - Aladi, M.

AU - Andrebe, Y.

AU - Apsimon, O.

AU - Apsimon, R.

AU - Bachmann, A. M.

AU - Baistrukov, M. A.

AU - Batsch, F.

AU - Bergamaschi, M.

AU - Blanchard, P.

AU - Burrows, P. N.

AU - Buttenschön, B.

AU - Caldwell, A.

AU - Chappell, J.

AU - Chevallay, E.

AU - Chung, M.

AU - Cooke, D. A.

AU - Damerau, H.

AU - Davut, C.

AU - Demeter, G.

AU - Deubner, L. H.

AU - Dexter, A.

AU - Djotyan, G. P.

AU - Doebert, S.

AU - Farmer, J.

AU - Fasoli, A.

AU - Fedosseev, V. N.

AU - Fiorito, R.

AU - Fonseca, R. A.

AU - Friebel, F.

AU - Furno, I.

AU - Garolfi, L.

AU - Gessner, S.

AU - Goddard, B.

AU - Gorgisyan, I.

AU - Gorn, A. A.

AU - Granados, E.

AU - Granetzny, M.

AU - Grulke, O.

AU - Gschwendtner, E.

AU - Hafych, V.

AU - Hartin, A.

AU - Helm, A.

AU - Henderson, J. R.

AU - Howling, A.

AU - Hüther, M.

AU - Jacquier, R.

AU - Jolly, S.

AU - Kargapolov, I. Yu

AU - Kedves, M.

AU - Keeble, F.

AU - Kelisani, M. D.

AU - Kim, S. Y.

AU - Kraus, F.

AU - Krupa, M.

AU - Lefevre, T.

AU - Li, Y.

AU - Liang, L.

AU - Liu, S.

AU - Lopes, N.

AU - Lotov, K. V.

AU - Martyanov, M.

AU - Mazzoni, S.

AU - Medina Godoy, D.

AU - Minakov, V. A.

AU - Moody, J. T.

AU - Morales Guzmán, P. I.

AU - Moreira, M.

AU - Muggli, P.

AU - Panuganti, H.

AU - Pardons, A.

AU - Peña Asmus, F.

AU - Perera, A.

AU - Petrenko, A.

AU - Pucek, J.

AU - Pukhov, A.

AU - Ráczkevi, B.

AU - Ramjiawan, R. L.

AU - Rey, S.

AU - Ruhl, H.

AU - Saberi, H.

AU - Schmitz, O.

AU - Senes, E.

AU - Sherwood, P.

AU - Silva, L. O.

AU - Spitsyn, R. I.

AU - Tuev, P. V.

AU - Turner, M.

AU - Velotti, F.

AU - Verra, L.

AU - Verzilov, V. A.

AU - Vieira, J.

AU - Welsch, C. P.

AU - Williamson, B.

AU - Wing, M.

AU - Wolfenden, J.

AU - Woolley, B.

AU - Xia, G.

AU - Zepp, M.

AU - Zevi Della Porta, G.

PY - 2020

Y1 - 2020

N2 - We study experimentally the effect of linear plasma density gradients on the self-modulation of a 400 GeV proton bunch. Results show that a positive or negative gradient increases or decreases the number of microbunches and the relative charge per microbunch observed after 10 m of plasma. The measured modulation frequency also increases or decreases. With the largest positive gradient we observe two frequencies in the modulation power spectrum. Results are consistent with changes in wakefields' phase velocity due to plasma density gradients adding to the slow wakefields' phase velocity during self-modulation growth predicted by linear theory.

AB - We study experimentally the effect of linear plasma density gradients on the self-modulation of a 400 GeV proton bunch. Results show that a positive or negative gradient increases or decreases the number of microbunches and the relative charge per microbunch observed after 10 m of plasma. The measured modulation frequency also increases or decreases. With the largest positive gradient we observe two frequencies in the modulation power spectrum. Results are consistent with changes in wakefields' phase velocity due to plasma density gradients adding to the slow wakefields' phase velocity during self-modulation growth predicted by linear theory.

U2 - 10.1103/PhysRevLett.125.264801

DO - 10.1103/PhysRevLett.125.264801

M3 - Journal article

C2 - 33449727

AN - SCOPUS:85099137547

SN - 0031-9007

VL - 125

JO - Physical Review Letters

JF - Physical Review Letters

IS - 26

M1 - 264801

ER -

Proton Bunch Self-Modulation in Plasma with Density Gradient

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