Sep 24 – 30, 2017
La Biodola, Isola d'Elba
Europe/Rome timezone

Tapering of plasma density ramp profiles for adiabatic lens experiments

Sep 27, 2017, 7:30 PM
Parking Area, Hotel Hermitage

Parking Area, Hotel Hermitage

poster WG5 - High-Gradient Plasma Structures/Advanced Beam Diagnostics Wine and Poster Session 2 (WG4-WG5-WG6-WG7)


Francesco Filippi (LNF)


One of the key elements of the PWFA blowout regime is the strong, linear focusing provided by the ion density. One advantage of this focusing is its extraordinary strength whose gradient is proportional to the local background plasma density, permitting adiabatic focusing schemes in future compact linear colliders. Plasma density variations can be locally obtained in gas-filled capillaries by varying the capillary diameter in order to modify its local value. We present here a study of hydrogen discharges that explores the density profiles obtained for different tapering angles, and discuss their utility for adiabatic lens experiments.

Primary author

Francesco Filippi (LNF)


Aihua Deng (UCLA) Angelo Biagioni (LNF) Arie Zigler (LNF) Enrica Chiadroni (LNF) James Benjamin Rosenzweig (LNF) Maria Pia Anania (LNF) Massimo Ferrario (LNF)

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