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Title: Observation of the Self-Modulation Instability via Time-Resolved Measurements

Abstract

Self-modulation of an electron beam in a plasma has been observed. The propagation of a long (several plasma wavelengths) electron bunch in an overdense plasma resulted in the production of multiple bunches via the self-modulation instability. Using a combination of a radio-frequency deflector and a dipole spectrometer, the time and energy structure of the self-modulated beam was measured. The longitudinal phase space measurement showed the modulation of a long electron bunch into three bunches with an approximately $$200\text{ }\text{ }\mathrm{keV}/c$$ amplitude momentum modulation. Demonstrating this effect is a breakthrough for proton-driven plasma accelerator schemes aiming to utilize the same physical effect.

Authors:
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Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); German Federal Ministry of Education and Research (BMBF)
OSTI Identifier:
1432101
Alternate Identifier(s):
OSTI ID: 1439240
Grant/Contract Number:  
AC02-05CH11231; 05H12GU6
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 120 Journal Issue: 14; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 43 PARTICLE ACCELERATORS; plasma acceleration & new acceleration techniques; plasma-beam interactions

Citation Formats

Gross, M., Engel, J., Good, J., Huck, H., Isaev, I., Koss, G., Krasilnikov, M., Lishilin, O., Loisch, G., Renier, Y., Rublack, T., Stephan, F., Brinkmann, R., Martinez de la Ossa, A., Osterhoff, J., Malyutin, D., Richter, D., Mehrling, T., Khojoyan, M., Schroeder, C. B., and Grüner, F. Observation of the Self-Modulation Instability via Time-Resolved Measurements. United States: N. p., 2018. Web. doi:10.1103/PhysRevLett.120.144802.
Gross, M., Engel, J., Good, J., Huck, H., Isaev, I., Koss, G., Krasilnikov, M., Lishilin, O., Loisch, G., Renier, Y., Rublack, T., Stephan, F., Brinkmann, R., Martinez de la Ossa, A., Osterhoff, J., Malyutin, D., Richter, D., Mehrling, T., Khojoyan, M., Schroeder, C. B., & Grüner, F. Observation of the Self-Modulation Instability via Time-Resolved Measurements. United States. doi:10.1103/PhysRevLett.120.144802.
Gross, M., Engel, J., Good, J., Huck, H., Isaev, I., Koss, G., Krasilnikov, M., Lishilin, O., Loisch, G., Renier, Y., Rublack, T., Stephan, F., Brinkmann, R., Martinez de la Ossa, A., Osterhoff, J., Malyutin, D., Richter, D., Mehrling, T., Khojoyan, M., Schroeder, C. B., and Grüner, F. Fri . "Observation of the Self-Modulation Instability via Time-Resolved Measurements". United States. doi:10.1103/PhysRevLett.120.144802.
@article{osti_1432101,
title = {Observation of the Self-Modulation Instability via Time-Resolved Measurements},
author = {Gross, M. and Engel, J. and Good, J. and Huck, H. and Isaev, I. and Koss, G. and Krasilnikov, M. and Lishilin, O. and Loisch, G. and Renier, Y. and Rublack, T. and Stephan, F. and Brinkmann, R. and Martinez de la Ossa, A. and Osterhoff, J. and Malyutin, D. and Richter, D. and Mehrling, T. and Khojoyan, M. and Schroeder, C. B. and Grüner, F.},
abstractNote = {Self-modulation of an electron beam in a plasma has been observed. The propagation of a long (several plasma wavelengths) electron bunch in an overdense plasma resulted in the production of multiple bunches via the self-modulation instability. Using a combination of a radio-frequency deflector and a dipole spectrometer, the time and energy structure of the self-modulated beam was measured. The longitudinal phase space measurement showed the modulation of a long electron bunch into three bunches with an approximately $200\text{ }\text{ }\mathrm{keV}/c$ amplitude momentum modulation. Demonstrating this effect is a breakthrough for proton-driven plasma accelerator schemes aiming to utilize the same physical effect.},
doi = {10.1103/PhysRevLett.120.144802},
journal = {Physical Review Letters},
number = 14,
volume = 120,
place = {United States},
year = {2018},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevLett.120.144802

Citation Metrics:
Cited by: 4 works
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Figures / Tables:

FIG. 1 FIG. 1: Schematic of the experimental setup. After passing through the plasma the electron bunch enters a diagnostics section. The bunch is streaked by a rf deflector vertically and its longitudinal charge distribution can then be observed on a removable Ce∶YAG scintillator screen. Alternatively, the bunch can be further transportedmore » to a dipole spectrometer where the bunch is energy dispersed horizontally. This allows one to observe the longitudinal phase space of the bunch on a second Ce∶YAG screen.« less

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    Works referencing / citing this record:

    Observation of the Self-Modulation Instability via Time-Resolved Measurements
    text, January 2018

    • Gross, M.; Engel, Johannes; Good, James David
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
    • DOI: 10.3204/pubdb-2018-01448

    Overview and prospects of plasma wakefield acceleration experiments at PITZ
    journal, November 2019


    Hybrid LWFA–PWFA staging as a beam energy and brightness transformer: conceptual design and simulations
    journal, June 2019

    • Martinez de la Ossa, A.; Assmann, R. W.; Bussmann, M.
    • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2151
    • DOI: 10.1098/rsta.2018.0175

    Overview and prospects of plasma wakefield acceleration experiments at PITZ
    journal, November 2019


    Hybrid LWFA–PWFA staging as a beam energy and brightness transformer: conceptual design and simulations
    journal, June 2019

    • Martinez de la Ossa, A.; Assmann, R. W.; Bussmann, M.
    • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 377, Issue 2151
    • DOI: 10.1098/rsta.2018.0175

      Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.