Witness emittance growth caused by driver density fluctuations in plasma wakefield accelerators

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Witness emittance growth caused by driver density fluctuations in plasma wakefield accelerators. / Minakov, V. A.; Tacu, M.; Sosedkin, A. P. et al.

In: Physics of Plasmas, Vol. 25, No. 9, 093112, 01.09.2018.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{9de76c93b09b4b2f8256419da7c97963,

title = "Witness emittance growth caused by driver density fluctuations in plasma wakefield accelerators",

abstract = "We discovered a novel effect that can cause witness emittance growth in plasma wakefield accelerators. The effect appears in linear or moderately nonlinear plasma waves. The witness experiences a time-varying focusing force and loses quality during the time required for the drive beam to reach transverse equilibrium with the plasma wave. The higher the witness charge, the lower the emittance growth rate because of additional focusing of the witness by its own wakefield. However, the witness head always degrades, and the boundary between degraded and intact parts gradually propagates backward along the witness bunch.",

keywords = "AWAKE",

author = "Minakov, {V. A.} and M. Tacu and Sosedkin, {A. P.} and Lotov, {K. V.}",

note = "Publisher Copyright: {\textcopyright} 2018 Author(s).",

year = "2018",

month = sep,

day = "1",

doi = "10.1063/1.5048263",

language = "English",

volume = "25",

journal = "Physics of Plasmas",

issn = "1070-664X",

publisher = "American Institute of Physics",

number = "9",

}

RIS

TY - JOUR

T1 - Witness emittance growth caused by driver density fluctuations in plasma wakefield accelerators

AU - Minakov, V. A.

AU - Tacu, M.

AU - Sosedkin, A. P.

AU - Lotov, K. V.

PY - 2018/9/1

Y1 - 2018/9/1

N2 - We discovered a novel effect that can cause witness emittance growth in plasma wakefield accelerators. The effect appears in linear or moderately nonlinear plasma waves. The witness experiences a time-varying focusing force and loses quality during the time required for the drive beam to reach transverse equilibrium with the plasma wave. The higher the witness charge, the lower the emittance growth rate because of additional focusing of the witness by its own wakefield. However, the witness head always degrades, and the boundary between degraded and intact parts gradually propagates backward along the witness bunch.

AB - We discovered a novel effect that can cause witness emittance growth in plasma wakefield accelerators. The effect appears in linear or moderately nonlinear plasma waves. The witness experiences a time-varying focusing force and loses quality during the time required for the drive beam to reach transverse equilibrium with the plasma wave. The higher the witness charge, the lower the emittance growth rate because of additional focusing of the witness by its own wakefield. However, the witness head always degrades, and the boundary between degraded and intact parts gradually propagates backward along the witness bunch.

KW - AWAKE

UR - http://www.scopus.com/inward/record.url?scp=85053911692&partnerID=8YFLogxK

U2 - 10.1063/1.5048263

DO - 10.1063/1.5048263

M3 - Article

AN - SCOPUS:85053911692

VL - 25

JO - Physics of Plasmas

JF - Physics of Plasmas

SN - 1070-664X

IS - 9

M1 - 093112

ER -

ID: 16757723