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Title: High-quality positron acceleration in beam-driven plasma accelerators

Abstract

Acceleration of positron beams in plasma-based accelerators is a highly challenging task. To realize a plasma-based linear collider, acceleration of a positron bunch with high-efficiency is required, while maintaining both a low emittance and a subpercent-level energy spread. Recently, a plasma-based positron acceleration scheme was proposed in which a wake suitable for the acceleration and transport of positrons is produced in a plasma column by means of an electron drive beam [Diederichs et al., Phys. Rev. Accel. Beams 22, 081301 (2019)PRABCJ2469-988810.1103/PhysRevAccelBeams.22.081301]. In this article, we present a study of beam loading for a positron beam in this type of wake. We demonstrate via particle-in-cell simulations that acceleration of high-quality positron beams is possible, and we discuss a possible path to achieve collider-relevant parameters.

Authors:
ORCiD logo; ORCiD logo; ; ORCiD logo; ORCiD logo
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1730977
Alternate Identifier(s):
OSTI ID: 1810079
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Published Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Name: Physical Review Accelerators and Beams Journal Volume: 23 Journal Issue: 12; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; particle acceleration in plasmas; plasma acceleration & new acceleration techniques

Citation Formats

Diederichs, S., Benedetti, C., Esarey, E., Osterhoff, J., and Schroeder, C. B.. High-quality positron acceleration in beam-driven plasma accelerators. United States: N. p., 2020. Web. https://doi.org/10.1103/PhysRevAccelBeams.23.121301.
Diederichs, S., Benedetti, C., Esarey, E., Osterhoff, J., & Schroeder, C. B.. High-quality positron acceleration in beam-driven plasma accelerators. United States. https://doi.org/10.1103/PhysRevAccelBeams.23.121301
Diederichs, S., Benedetti, C., Esarey, E., Osterhoff, J., and Schroeder, C. B.. Thu . "High-quality positron acceleration in beam-driven plasma accelerators". United States. https://doi.org/10.1103/PhysRevAccelBeams.23.121301.
@article{osti_1730977,
title = {High-quality positron acceleration in beam-driven plasma accelerators},
author = {Diederichs, S. and Benedetti, C. and Esarey, E. and Osterhoff, J. and Schroeder, C. B.},
abstractNote = {Acceleration of positron beams in plasma-based accelerators is a highly challenging task. To realize a plasma-based linear collider, acceleration of a positron bunch with high-efficiency is required, while maintaining both a low emittance and a subpercent-level energy spread. Recently, a plasma-based positron acceleration scheme was proposed in which a wake suitable for the acceleration and transport of positrons is produced in a plasma column by means of an electron drive beam [Diederichs et al., Phys. Rev. Accel. Beams 22, 081301 (2019)PRABCJ2469-988810.1103/PhysRevAccelBeams.22.081301]. In this article, we present a study of beam loading for a positron beam in this type of wake. We demonstrate via particle-in-cell simulations that acceleration of high-quality positron beams is possible, and we discuss a possible path to achieve collider-relevant parameters.},
doi = {10.1103/PhysRevAccelBeams.23.121301},
journal = {Physical Review Accelerators and Beams},
number = 12,
volume = 23,
place = {United States},
year = {2020},
month = {12}
}

Journal Article:
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