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Title: Instability of a witness bunch in a plasma bubble

The stability of a trailing witness bunch, accelerated by a plasma wake accelerator (PWA) in a blow-out regime, is discussed. The instability growth rate as well as the energy spread, required for BNS damping, are obtained. A relationship between the PWA power efficiency and the BNS energy spread is derived.
Authors:
 [1] ;  [1] ;  [1]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Publication Date:
OSTI Identifier:
1255140
Report Number(s):
FERMILAB-FN--1008-AD; arXiv:1602.05260
1422082; TRN: US1700200
DOE Contract Number:
AC02-07CH11359
Resource Type:
Technical Report
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; INSTABILITY GROWTH RATES; PLASMA; BUBBLES; WAKEFIELD ACCELERATORS; DAMPING; EFFICIENCY; BEAM DYNAMICS