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Filamentation of a relativistic proton bunch in plasma

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Filamentation of a relativistic proton bunch in plasma. / AWAKE Collaboration.
In: Physical Review E, Vol. 109, No. 5, 055203, 07.05.2024.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

AWAKE Collaboration 2024, 'Filamentation of a relativistic proton bunch in plasma', Physical Review E, vol. 109, no. 5, 055203. https://doi.org/10.1103/PhysRevE.109.055203

APA

AWAKE Collaboration (2024). Filamentation of a relativistic proton bunch in plasma. Physical Review E, 109(5), Article 055203. https://doi.org/10.1103/PhysRevE.109.055203

Vancouver

AWAKE Collaboration. Filamentation of a relativistic proton bunch in plasma. Physical Review E. 2024 May 7;109(5):055203. doi: 10.1103/PhysRevE.109.055203

Author

AWAKE Collaboration. / Filamentation of a relativistic proton bunch in plasma. In: Physical Review E. 2024 ; Vol. 109, No. 5.

Bibtex

@article{0cb3b957151043b0ba60e12ee802eec4,
title = "Filamentation of a relativistic proton bunch in plasma",
abstract = "We show in experiments that a long, underdense, relativistic proton bunch propagating in plasma undergoes the oblique instability, which we observe as filamentation. We determine a threshold value for the ratio between the bunch transverse size and plasma skin depth for the instability to occur. At the threshold, the outcome of the experiment alternates between filamentation and self-modulation instability (evidenced by longitudinal modulation into microbunches). Time-resolved images of the bunch density distribution reveal that filamentation grows to an observable level late along the bunch, confirming the spatiotemporal nature of the instability. We provide a rough estimate of the amplitude of the magnetic field generated in the plasma by the instability and show that the associated magnetic energy increases with plasma density.",
author = "{AWAKE Collaboration} and L. Verra and C. Amoedo and N. Torrado and A. Clairembaud and J. Mezger and F. Pannell and J. Pucek and {Van Gils}, N. and M. Bergamaschi and {Zevi Della Porta}, G. and N. Lopes and A. Sublet and M. Turner and E. Gschwendtner and P. Muggli and R. Agnello and C.C. Ahdida and Y. Andrebe and O. Apsimon and R. Apsimon and J.M. Arnesano and V. Bencini and P. Blanchard and P.N. Burrows and B. Buttensch{\"o}n and A. Caldwell and M. Chung and D.A. Cooke and C. Davut and G. Demeter and A.C. Dexter and S. Doebert and J. Farmer and A. Fasoli and R. Fonseca and I. Furno and E. Granados and M. Granetzny and T. Graubner and O. Grulke and E. Guran and J. Henderson and M.{\'A}. Kedves and F. Kraus and M. Krupa and T. Lefevre and L. Liang and S. Liu and S. Mazzoni and B. Woolley",
year = "2024",
month = may,
day = "7",
doi = "10.1103/PhysRevE.109.055203",
language = "English",
volume = "109",
journal = "Physical Review E",
issn = "1539-3755",
publisher = "American Physical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Filamentation of a relativistic proton bunch in plasma

AU - AWAKE Collaboration

AU - Verra, L.

AU - Amoedo, C.

AU - Torrado, N.

AU - Clairembaud, A.

AU - Mezger, J.

AU - Pannell, F.

AU - Pucek, J.

AU - Van Gils, N.

AU - Bergamaschi, M.

AU - Zevi Della Porta, G.

AU - Lopes, N.

AU - Sublet, A.

AU - Turner, M.

AU - Gschwendtner, E.

AU - Muggli, P.

AU - Agnello, R.

AU - Ahdida, C.C.

AU - Andrebe, Y.

AU - Apsimon, O.

AU - Apsimon, R.

AU - Arnesano, J.M.

AU - Bencini, V.

AU - Blanchard, P.

AU - Burrows, P.N.

AU - Buttenschön, B.

AU - Caldwell, A.

AU - Chung, M.

AU - Cooke, D.A.

AU - Davut, C.

AU - Demeter, G.

AU - Dexter, A.C.

AU - Doebert, S.

AU - Farmer, J.

AU - Fasoli, A.

AU - Fonseca, R.

AU - Furno, I.

AU - Granados, E.

AU - Granetzny, M.

AU - Graubner, T.

AU - Grulke, O.

AU - Guran, E.

AU - Henderson, J.

AU - Kedves, M.Á.

AU - Kraus, F.

AU - Krupa, M.

AU - Lefevre, T.

AU - Liang, L.

AU - Liu, S.

AU - Mazzoni, S.

AU - Woolley, B.

PY - 2024/5/7

Y1 - 2024/5/7

N2 - We show in experiments that a long, underdense, relativistic proton bunch propagating in plasma undergoes the oblique instability, which we observe as filamentation. We determine a threshold value for the ratio between the bunch transverse size and plasma skin depth for the instability to occur. At the threshold, the outcome of the experiment alternates between filamentation and self-modulation instability (evidenced by longitudinal modulation into microbunches). Time-resolved images of the bunch density distribution reveal that filamentation grows to an observable level late along the bunch, confirming the spatiotemporal nature of the instability. We provide a rough estimate of the amplitude of the magnetic field generated in the plasma by the instability and show that the associated magnetic energy increases with plasma density.

AB - We show in experiments that a long, underdense, relativistic proton bunch propagating in plasma undergoes the oblique instability, which we observe as filamentation. We determine a threshold value for the ratio between the bunch transverse size and plasma skin depth for the instability to occur. At the threshold, the outcome of the experiment alternates between filamentation and self-modulation instability (evidenced by longitudinal modulation into microbunches). Time-resolved images of the bunch density distribution reveal that filamentation grows to an observable level late along the bunch, confirming the spatiotemporal nature of the instability. We provide a rough estimate of the amplitude of the magnetic field generated in the plasma by the instability and show that the associated magnetic energy increases with plasma density.

U2 - 10.1103/PhysRevE.109.055203

DO - 10.1103/PhysRevE.109.055203

M3 - Journal article

VL - 109

JO - Physical Review E

JF - Physical Review E

SN - 1539-3755

IS - 5

M1 - 055203

ER -