20th Advanced Accelerator Concepts Workshop

Session

WGs 5+7 Joint Session

JS_5_7

Nov 10, 2022, 8:30 AM

Salon A

Conveners

WGs 5+7 Joint Session: Session 1 of 2

• Samuel Barber (Lawrence Berkeley National Laboratory)
• John Palastro (University of Rochester, Laboratory for Laser Energetics)
• Yine Sun (Argonne National Laboratory)
• Julia Mikhailova

WGs 5+7 Joint Session: Session 2 of 2

• Julia Mikhailova
• Samuel Barber (Lawrence Berkeley National Laboratory)
• John Palastro (University of Rochester, Laboratory for Laser Energetics)
• Yine Sun (Argonne National Laboratory)

Description

Joint session between working groups 5 & 7:
WG5 - Beam Sources, Monitoring and Control
WG7 - Radiation Generation and Advanced Concepts

215. High Flux Polarized Positron Production based on high efficiency FEL and high gradient IFEL

Pietro Musumeci

11/10/22, 8:30 AM

WG7 Oral: Radiation Generation and Advanced Concepts

Contributed Oral

In this paper we discuss the design of polarized positron source for an e+e- linear collider based on polarization transfer from circularly polarized gamma-ray photons in a conversion target. A very high flux of gamma-ray photons can be obtained via inverse compton scattering a high current ultra-relativistic electron beam with an intense laser pulse circulating in an optical cavity. In order...

84. A compact laser-plasma based setup for positron production and collection

Davide Terzani (LBNL)

11/10/22, 8:50 AM

WG7 Oral: Radiation Generation and Advanced Concepts

Contributed Oral

Development of compact, Laser Plasma Acceleration (LPA)-based sources for positrons is a key step in the R&D effort towards development of a TeV collider. The conventional production and collection schemes of positron beams cannot be easily transferred to an LPA setup. This is mainly due to the large distance required to transport particles from the production to the acceleration point and the...

164. High intensity laser driven sources of gammas and positrons using BELLA PW Laser Dual Beamlines

Stepan Bulanov (LBNL)

11/10/22, 9:10 AM

WG7 Oral: Radiation Generation and Advanced Concepts

Contributed Oral

Recent commissioning of the second laser pulse transport line at the BELLA PW facility enables strong-field quantum electrodynamics (SF-QED) experiments where an intense laser pulse collides with a GeV-class laser-wakefield-accelerated electron beam. An overview of the upgraded BELLA PW facility with a SF-QED experimental layout is presented. According to the simulation results these...

76. Plasma-accelerator-based linear beam cooling systems

Carl Schroeder (LBNL)

11/10/22, 10:30 AM

WG7 Oral: Radiation Generation and Advanced Concepts

Contributed Oral

Plasma-based accelerators enable compact acceleration of beams to high energy and are considered a potential technology for future linear colliders. Conventional linear colliders require damping rings to generate the required beam emittance for high-energy physics applications. We propose and discuss a plasma-based linear radiation damping system that allows cooling of ultrashort bunches...

177. Application of Optical Stochastic Cooling Mechanism to Beam Shaping

Austin Dick (Northern Illinois University)

11/10/22, 10:50 AM

WG7 Oral: Radiation Generation and Advanced Concepts

Contributed Oral

Stochastic Cooling is a feedback system for cooling particle beams in storage rings which uses radiation produced by the beam to correct the average deviation of temporal slices with a duration inversely proportional to the bandwidth. Optical Stochastic Cooling (OSC) uses optical wavelengths which decreases the duration of each slice and, therefore, reduces the incoherent noise each individual...

167. Coherent 3D microstructure of laser-wakefield-accelerated electron bunches

Maxwell LaBerge

11/10/22, 11:10 AM

WG5 Oral: Beam Sources, Monitoring, and Control

Contributed Oral

Recent breakthroughs in laser wakefield accelerator (LWFA) technology have allowed them to drive free-electron lasers (FELs) [1]. This is made more impressive by the relative lack of phase-space control in plasma accelerators when compared to conventional linear accelerators. However, the complicated phase spaces and microstructures in LWFA beams could be harnessed to accelerate the...

212. Electron source bunch length characterization based on chicane-decompressed coherent transition radiation emission

Mr Jeroen Van Tilborg (Lawrence Berkeley National Laboratory)

11/10/22, 11:30 AM

WG5 Oral: Beam Sources, Monitoring, and Control

Contributed Oral

Laser plasma accelerators (LPAs) are capable of producing electron bunches as short as a few femtoseconds at percent-level energy spread. However, measuring the bunch length is not straightforward, let alone unraveling source correlations between the longitudinal position and momentum distribution. Here we present the theoretical framework and preliminary experimental demonstration of a...

285. High repetition-rate K-alpha x-ray source from a low-density gas target

Jon Murphy (University of Michigan)

Joint Session

Contributed Oral