Plasma Dark Current in Self-Ionized Plasma Wake Field Accelerators

E Öz ,Wei Lü ,Mark Hogan ,D Walz ,P Muggli ,F.‐J Decker ,C E Clayton ,R Iverson ,R.h Siemann ,C Barnes ,C O’connell ,C Joshi ,W B Mori ,S Deng ,P Krejcik ,Ken Marsh ,T Katsouleas ,Chengkun Huang ,D Johnson ,Miaomiao Zhou

doi:10.1109/pac.2005.1591499

Plasma Dark Current in Self-Ionized Plasma Wake Field Accelerators

E Öz , Wei Lü + Show 18 more

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https://doi.org/10.1109/pac.2005.1591499

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Publication Date: May 16, 2005

Affiliation: LAC+USC Medical Center, University of California, Los Angeles, SLAC National Accelerator Laboratory

#Driven Plasma Wake Field Accelerator #Beam Driven Plasma Wake Field + Show 8 more

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Abstract

Evidence of particle trapping has been observed in a beam driven Plasma Wake Field Accelerator (PWFA) experiment, E164X, conducted at the Stanford Linear Accelerator Center by a collaboration which includes USC, UCLA and SLAC. Such trapping produces plasma dark current when the wakefield amplitude is above a threshold value and may place a limit on the maximum acceleration gradient in a PWFA. Trapping and dark current are enhanced when in an ionizing plasma, that is self-ionized by the beam. Here we present experimental results.

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