Long lepton bunch self-modulation experiment at SLAC
ORAL
Abstract
The use of long particle bunches to drive ultra-relativistic, high amplitude plasma waves through the transverse self-modulation instability (SMI) has been recently investigated numerically. This has motivated proton driven plasma wakefield accelerator experiments currently being planned at CERN and Fermilab. We propose to explore the SMI using the 20 GeV, 500 microns long lepton bunches currently available at SLAC FACET. Full-scale PIC simulations show gradients greater than 20 GeV/m and up to 10 GeV energy gain/loss at the 1{\%} level in 1 meter plasmas using electron bunches. Simulations show that the blowout regime is reached at the saturation of the SMI. For the positron driven scenario, the blowout leads to the defocusing of most of the positrons and a gain/loss up to 5 GeV at the 1 {\%} energy level is reached. Simulation results as well as diagnostics to measure the SMI in the planned experiments are discussed.
–
Authors
Mark Hogan
SLAC National Accelerator Laboratory
Jorge Vieira
GoLP/IPFN, Instituto Superior T\'ecnico, Lisbon, Portugal
GoLP/Instituto de Plasmas e Fus\~ao Nuclear - Laborat\'orio Associado, Instituto Superior T\'ecnico, Lisbon, Portugal
Instituto de Plasmas e Fus\~ao Nuclear-Laborat\'orio Associado, Instituto Superior T\'ecnico
Instituto Superior Tecnico, Lisboa, Portugal
Nelson Lopes
Instituto de Plasmas e Fus\~ao Nuclear-Laborat\'orio Associado, Instituto Superior T\'ecnico
Ricardo Fonseca
GoLP/IPFN - IST; DCTI, ISCTE
GoLP/Instituto de Plasmas e Fusao Nuclear - LA, Instituto Superior Tecnico, Portugal
DCTI, ISCTE, Lisbon University Institute, Portugal
GoLP/Instituto de Plasmas e Fus\~ao Nuclear - Laboratorio Associado, Instituto Superior Tecnico, Lisbon, Portugal
Departamento de Ci\^encias e Tecnologias da Informa\c{c}\~ao, Instituto Superior de Ci\^encias do Trabalho e da Empresa, Lisbon, Portugal
GoLP/IPFN, Instituto Superior T\'ecnico
ISCTE-IUL
DCTI, ISCTE, Lisbon University Institute
Olaf Reimann
Max Plank Institute for Physics, Munich
Mike Litos
SLAC National Accelerator Laboratory
Selina Li
SLAC National Accelerator Laboratory
Spencer Gessner
SLAC National Accelerator Laboratory
Ken Marsh
Department of Electrical Engineering, UCLA
University of California, Los Angeles
Navid Vafaei
Department of Electrical Engineering, UCLA
University of California, Los Angeles
Chan Joshi
University of California, Los Angeles
UCLA
Department of Electrical Engineering, UCLA
Warren Mori
UCLA
(UCLA)
University of California, Los Angeles
University of California at Los Angeles
Department of Physics and Astronomy, UCLA
University of California Los Angeles
Erik Adli
SLAC National Accelerator Laboratory
Yun Fang
University of Southern California
USC
Luis Silva
GoLP/IPFN - IST
GoLP/Instituto de Plasmas e Fusao Nuclear - LA, Instituto Superior Tecnico, Portugal
GoLP/IPFN, Instituto Superior T\'ecnico, Lisbon, Portugal
GoLP/Instituto de Plasmas e Fus\~ao Nuclear - Laboratorio Associado, Instituto Superior Tecnico, Lisbon, Portugal
GoLP/Instituto de Plasmas e Fus\~ao Nuclear - Laborat\'orio Associado, Instituto Superior T\'ecnico, Lisbon, Portugal
Instituto Superior T\'ecnico - GoLP/Instituto de Plasmas e Fusao Nuclear
Instituto de Plasmas e Fus\~ao Nuclear-Laborat\'orio Associado, Instituto Superior T\'ecnico