papers

Publications (20)

physics.plasm-ph2021

Extremely Dense Gamma-Ray Pulses in Electron Beam-Multifoil Collisions

Archana Sampath, Xavier Davoine, Sébastien Corde +26

Sources of high-energy photons have important applications in almost all areas of research. However, the photon flux and intensity of existing sources is strongly limited for photo…

physics.acc-ph2026

FACET2-S2E: Start-to-end simulations of the FACET-II beamline

Nathan Majernik, Frederick Cropp, Claudio Emma +1

FACET2-S2E is a Python package for start-to-end simulations of the Facility for Advanced Accelerator Experimental Tests-II (FACET-II), a US Department of Energy National User Facil…

physics.acc-ph2025

Design Initiative for a 10 TeV pCM Wakefield Collider

Spencer Gessner, Jens Osterhoff, Carl A. Lindstrøm +198

This document outlines a community-driven Design Study for a 10 TeV pCM Wakefield Accelerator Collider. The 2020 ESPP Report emphasized the need for Advanced Accelerator R\&D, and…

physics.acc-ph2026

Multi-GeV Electron Combs from a Plasma Wakefield Accelerator

Chaojie Zhang, Douglas Storey, Alexander Knetsch +16

Plasma accelerators now produce GeV-class electron beams with brightness and stability sufficient to drive free-electron lasers. Beyond this, they possess a unique yet largely unex…

physics.acc-ph2026

Strong-field focusing of high-energy particles in beam-multifoil collisions

Aimé Matheron, Doug Storey, Max F. Gilljohann +25

Extreme beams of charged particles and photons, reaching ultrahigh densities or producing intense gamma-ray bursts, are central to accelerator physics, laboratory astrophysics, and…

physics.acc-ph2024

Wavelength scaling and multi-color operation of a plasma driven attosecond X-ray source via harmonic generation

Rafi Hessami, Jenny Morgan, River Robles +3

The generation of high power coherent soft X-ray pulses of sub-100 as duration and 10 nm wavelength using beams from a GeV energy plasma wakefield accelerator has been recently inv…

physics.acc-ph2025

Precision alignment and tolerance of a plasma wakefield accelerator in a laser-ionized plasma source

Valentina Lee, Robert Ariniello, Douglas Storey +9

We present a novel method for aligning a laser ionized plasma source to a pair of ultra-relativistic electron beams that comprise a plasma wakefield accelerator (PWFA). We achieve…

physics.acc-ph2014

Transverse pulse shaping and optimization of a tapered hard X-ray free electron laser

Claudio Emma, Claudio Pellegrini, Juhao Wu

Multidimensional optimization schemes for TW hard X-Ray free electron lasers are applied to the cases of transversely uniform and parabolic electron beam distributions and compared…

hep-ex2022

XCC: An X-ray FEL-based Collider Higgs Factory

Tim Barklow, Su Dong, Claudio Emma +8

This report describes the design of a Higgs factory in which 62.8 GeV electron beams collide with 1 keV X-ray free electron laser (XFEL) beams to produce colliding beams of…

physics.acc-ph2020

Advanced Control Methods for Particle Accelerators (ACM4PA) 2019 Workshop Report

Alexander Scheinker, Claudio Emma, Auralee L. Edelen +1

Los Alamos is currently developing novel particle accelerator controls and diagnostics algorithms to enable higher quality beams with lower beam losses than is currently possible.…

physics.acc-ph2015

Tapering studies for Terawatt level X-ray FELs with a superconducting undulator

Claudio Emma, Juhao Wu, Paul Emma +2

We study the tapering optimization scheme for a short period, less than two cm, superconducting undulator, and show that it can generate 4 keV X-ray pulses with peak power in exces…

physics.acc-ph2025

Experimental generation of extreme electron beams for advanced accelerator applications

Claudio Emma, Nathan Majernik, Kelly Swanson +13

In this Letter we report on the experimental generation of high energy (10 GeV), ultra-short (fs-duration), ultra-high current (0.1 MA), petawatt peak power electron beams in a par…

physics.acc-ph2023

Multipoint-BAX: A New Approach for Efficiently Tuning Particle Accelerator Emittance via Virtual Objectives

Sara A. Miskovich, Willie Neiswanger, William Colocho +7

Although beam emittance is critical for the performance of high-brightness accelerators, optimization is often time limited as emittance calculations, commonly done via quadrupole…

physics.acc-ph2015

High Efficiency, Multi-Terawatt X-ray free electron lasers

Claudio Emma, Kun Fang, Juhao Wu +1

We study high efficiency, multi-terawatt peak power, few angstrom wavelength, X-ray Free Electron Lasers (X-ray FELs). To obtain these characteristics we consider an optimized undu…

physics.acc-ph2019

Very high brightness and power LCLS-II hard X-ray pulses

Aliaksei Halavanau, Franz-Josef Decker, Claudio Emma +2

We show the feasibility of generating X-ray pulses in the 4 to 8 keV fundamental photon energy range with 0.65 TW peak power, 15 fs pulse duration, bandwidth, usin…

physics.acc-ph2022

C Demonstration Research and Development Plan

Emilio A. Nanni, Martin Breidenbach, Caterina Vernieri +46

C is an opportunity to realize an ee collider for the study of the Higgs boson at GeV, with a well defined upgrade path to 550 GeV while staying on the…

physics.plasm-ph2024

Correlations between X-rays, Visible Light and Drive-Beam Energy Loss Observed in Plasma Wakefield Acceleration Experiments at FACET-II

Chaojie Zhang, Doug Storey, Pablo San Miguel Claveria +26

This study documents several correlations observed during the first run of the plasma wakefield acceleration experiment E300 conducted at FACET-II, using a single drive electron bu…

physics.acc-ph2019

Superradiant and stimulated-superradiant emission of bunched electron beams

Avraham Gover, Reuven Ianconescu, Aharon Friedman +4

We outline the fundamental coherent radiation emission processes from a bunched charged particles beam. In contrast to spontaneous emission of radiation from a random electron beam…

physics.acc-ph2021

Terawatt attosecond X-ray source driven by a plasma accelerator

Claudio Emma, Xinlu Xu, Andrew Fisher +6

Plasma accelerators can generate ultra high brightness electron beams which open the door to light sources with smaller physical footprint and properties un-achievable with convent…

physics.acc-ph2022

Snowmass 2021 Accelerator Frontier White Paper: Near Term Applications driven by Advanced Accelerator Concepts

Claudio Emma, Jeroen van Tilborg, Félicie Albert +8

While the long-term vision of the advanced accelerator community is aimed at addressing the challenges of future collider technology, it is critical that the community takes advant…