Emittance measurement along transport beam line for laser driven protons

M. J. Wu; D. Y. Li; J. G. Zhu; T. Yang; X. Y. Hu; Y. X. Geng; K. Zhu; M. J. Easton; Y. Y. Zhao; A. L. Zhang; H. Y. Lu; W. J. Ma; C. Lin; X. Q. Yan

doi:10.1103/PhysRevAccelBeams.23.031302

Emittance measurement along transport beam line for laser driven protons

M. J. Wu, D. Y. Li, J. G. Zhu, T. Yang, X. Y. Hu, Y. X. Geng, K. Zhu, M. J. Easton, Y. Y. Zhao, A. L. Zhang, H. Y. Lu, W. J. Ma, C. Lin, X. Q. Yan

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Abstract

Particle emittance quantifies the ability to focus and transport a beam, and is one of the most important parameters for a beamline. The emittance of a proton beam produced by ultraintense laser irradiation of a micron-thick flat solid target has been measured systematically for the first time, using three different methods at different positions along the transport beamline: Pepper-pot method, quadrupole triplet scan technique, and single-shot emittance measurement. Emittance growth is shown both in experiments and in simulations using CST. An over 3-fold emittance growth was found for 5 MeV laser-driven protons with an energy spread of ±2% and divergence of ±20 mrad after being transported 5.9 m in the experiment, due to the energy spread and angular dispersion of the protons.

Original language	English
Article number	031302
Journal	Physical Review Accelerators and Beams
Volume	23
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevAccelBeams.23.031302
Publication status	Published - Mar 2020
Externally published	Yes

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10.1103/PhysRevAccelBeams.23.031302

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title = "Emittance measurement along transport beam line for laser driven protons",

abstract = "Particle emittance quantifies the ability to focus and transport a beam, and is one of the most important parameters for a beamline. The emittance of a proton beam produced by ultraintense laser irradiation of a micron-thick flat solid target has been measured systematically for the first time, using three different methods at different positions along the transport beamline: Pepper-pot method, quadrupole triplet scan technique, and single-shot emittance measurement. Emittance growth is shown both in experiments and in simulations using CST. An over 3-fold emittance growth was found for 5 MeV laser-driven protons with an energy spread of ±2% and divergence of ±20 mrad after being transported 5.9 m in the experiment, due to the energy spread and angular dispersion of the protons.",

author = "Wu, {M. J.} and Li, {D. Y.} and Zhu, {J. G.} and T. Yang and Hu, {X. Y.} and Geng, {Y. X.} and K. Zhu and Easton, {M. J.} and Zhao, {Y. Y.} and Zhang, {A. L.} and Lu, {H. Y.} and Ma, {W. J.} and C. Lin and Yan, {X. Q.}",

note = "Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"} Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.",

year = "2020",

month = mar,

doi = "10.1103/PhysRevAccelBeams.23.031302",

language = "English",

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journal = "Physical Review Accelerators and Beams",

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publisher = "American Physical Society",

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AU - Wu, M. J.

AU - Li, D. Y.

AU - Zhu, J. G.

AU - Yang, T.

AU - Hu, X. Y.

AU - Geng, Y. X.

AU - Zhu, K.

AU - Easton, M. J.

AU - Zhao, Y. Y.

AU - Zhang, A. L.

AU - Lu, H. Y.

AU - Ma, W. J.

AU - Lin, C.

AU - Yan, X. Q.

N1 - Publisher Copyright: © 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/" Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

PY - 2020/3

Y1 - 2020/3

N2 - Particle emittance quantifies the ability to focus and transport a beam, and is one of the most important parameters for a beamline. The emittance of a proton beam produced by ultraintense laser irradiation of a micron-thick flat solid target has been measured systematically for the first time, using three different methods at different positions along the transport beamline: Pepper-pot method, quadrupole triplet scan technique, and single-shot emittance measurement. Emittance growth is shown both in experiments and in simulations using CST. An over 3-fold emittance growth was found for 5 MeV laser-driven protons with an energy spread of ±2% and divergence of ±20 mrad after being transported 5.9 m in the experiment, due to the energy spread and angular dispersion of the protons.

AB - Particle emittance quantifies the ability to focus and transport a beam, and is one of the most important parameters for a beamline. The emittance of a proton beam produced by ultraintense laser irradiation of a micron-thick flat solid target has been measured systematically for the first time, using three different methods at different positions along the transport beamline: Pepper-pot method, quadrupole triplet scan technique, and single-shot emittance measurement. Emittance growth is shown both in experiments and in simulations using CST. An over 3-fold emittance growth was found for 5 MeV laser-driven protons with an energy spread of ±2% and divergence of ±20 mrad after being transported 5.9 m in the experiment, due to the energy spread and angular dispersion of the protons.

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DO - 10.1103/PhysRevAccelBeams.23.031302

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AN - SCOPUS:85082875038

SN - 2469-9888

VL - 23

JO - Physical Review Accelerators and Beams

JF - Physical Review Accelerators and Beams

IS - 3

M1 - 031302

ER -

Emittance measurement along transport beam line for laser driven protons

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