Oral Program

Sessions will be held each Wednesday, beginning November 18 with Introduction and Tutorials and extending through February 3. Because of holidays, we skipped November 25 and December 23 and 30.

Seminar sessions will begin at 8:30 a.m. Pacific Standard Time (GMT/UTC -8).

Most oral sessions were recorded, and are available below.

Don't forget to visit the posters.

November 18: Introduction and Tutorials

8:30 - 9:00 — Eric Esarey (LBNL) — "Introduction to AAC Seminar Series"

9:00 - 9:30 — LK Len (DOE) — "DOE General Accelerator R&D Program"

9:30 - 9:45 — break

9:45 - 10:45 — Warren Mori (UCLA) — "Tutorial: Review of plasma accelerators"

10:45 - 11:00 - break

11:00 - 12:00 - Felice Albert (LLNL) — "Tutorial: LWFA driven light sources" (video awaiting clearance)

Nov. 25: Skipped for the Thanksgiving holiday

Dec 2: Working Group 1 – Laser plasma acceleration

Session 1 [120 min]: Plenary Session (Chair - Kei Nakamura)

8:30 Introduction (Eric Esarey, LBNL)

8:40 Andreas Maier (DESY) — "Demonstration of a stable LWFA" (video unavailable)

9:10 Yipeng Wu (UCLA) — "External injection of a linac e-beam to a laser wakefield accelerator"

9:40 Cameron Geddes (LBNL) — "Upgrades and advances at the BELLA Center"

10:10 break + discussions

Session 2 [80 min]: Contributed Session (Chair - Chaojie Zhang)

10:30 C1: Alexander Picksley (Oxford) — "Meter Scale, Conditioned Hydrodynamic Optical-Field-Ionised Waveguides" (video begins with brief session intro by Chaojie Zhang)

10:45 C2: Manh Le (Maryland) — "Laser-accelerated, low divergence 15 MeV quasi-monoenergetic electron bunches at 1 kHz"

11:00 C3: Philip Franke (LLE/Rochester) — "Dephasingless Laser Wakefield Acceleration"

11:15 C4: Junzhi Wang / Dominika Maslarova (Nebraska) — "Transverse Standing Wave Injection of Electrons into a Laser Wakefield Accelerator"

11:30 discussion

11:50 close

December 9: Working Group 2 – Computation for accelerator physics

Working Group 2 Leaders: Diana Amorim (LBNL) and Nathan Cook (RadiaSoft)

8:30: Introductions by Eric Esarey (LBNL) and Nathan Cook (RadiaSoft)

Session 1: Plenary Orals

8:35: Plenary 1: Remi Lehe (LBNL) – “New techniques and architectures in modeling for advanced accelerators

9:05: Plenary 2: Glen White (SLAC) – “Challenges modeling extreme beams

9:35: Discussion + break

Session 2: Contributed Orals

9:45: Contributed Talk 1 - Dan Younis (U.S. Naval Research Laboratory) - "PIC Diagnostic Techniques for Laser-produced Gamma-rays in the Strong-field QED Regime"

10:00: Contributed Talk 2 - Miguel Pardal (IST Portugal) - "Capturing high frequency radiation coming from evanescent waves in OSIRIS"

10:15: Discussion + break

10:30: Contributed Talk 3 - Davide Terzani (LBNL) - "Accuracy of the Time-Averaged Ponderomotive Approximation for Laser-Plasma Accelerators Modeling" (see also Q&A)

10:45: Contributed Talk 4 - Jinpu Lin (Univ. Michigan) - "Feature analysis for LWFA using supervised learning techniques"

11:00: Discussion

11:20-11:30: Working Group 2 Close

Dec 16: Working Group 3 – Laser and high-gradient structure-based acceleration

Working Group 3 Leaders: Emilio Nanni (SLAC) and Jiahang Shao (ANL)

8:30 – Introductions by Eric Esarey and Emilio Nanni

Session 1: Plenary Orals

8:40 – Dylan Black (Stanford), “Dielectric laser accelerators” (see also two sets of Q&A)

9:10 – Chunguang Jing (Euclid TechLabs and ANL), “Recent Progress in Structure Wakefield Acceleration

9:40 – Break / Discussion

Session 2: Contributed Orals

10:00 – Hanxun Xu (Tsinghua University), "Cascaded high-gradient THz-driven acceleration of relativistic electron beams"

10:15 – Mohamed Othman (SLAC), “High Gradient and RF Breakdown Measurements in a Millimeter-Wave Accelerating Cavity

10:30 – Julian Picard (MIT), "Generation of 1 GW of X-Band Power using a Metamaterial-based Power Extractor" (see also Q&A)

10:45 – Mamdouh Nasr (SLAC), "Distributed Coupling Linacs from Room to Cryogenic Temperature"

11:00 – Discussion

11:20 – Close

Dec. 23 and 30: Skipped for the holidays

January 6: Working Group 4 – Beam-driven acceleration

Working Group 4 Leaders: Gerard Andonian, UCLA and Ryan Roussel, University of Chicago

Session 1: Invited Orals

8:30-8:35 Introduction: Eric Esarey (LBNL) and Gerard Andonian (UCLA)

8:35-9:05 Plenary: Patric Muggli (MPP), "AWAKE results on Self-Modulation, Acceleration, Hosing, and Future Plans" (see also Q&A)

9:05-9:35 Plenary: Ryan Roussel (Chicago), "High transformer ratio wakefields in nonlinear plasma acceleration" (see also Q&A)

9:35-9:45 Break/Poster viewing

Session 2: Contributed Orals

9:45-10:00 Jiayang Yan (SBU), "Injection of ultrashort, femtosecond, e-beams using beam induced ionization injection" (see also Q&A)

10:00-10:15 Monika Yadav (Liverpool), "Modeling betatron radiation diagnostics for E310-Trojan Horse"

10:15-10:30 Christopher Doss (UC Boulder), "Underdense, Passive Plasma Lens for Electron Beams"

10:30-10:40 Break/Discussion/Posters

10:40-10:55 Sasha Siy (U. Wisconsin), "Structure Wakefield Acceleration with Corrugated Pipe"

10:55-11:10 Anna-Maria Bachmann (Max-Planck Institute for Physics), "Study of the Development of the Self-Modulation of a Proton Bunch in Plasma"

11:10-11:30 Open Q&A

11:30-11:35 Closeout

January 13: Working Group 5 – Beam sources, monitoring, and control

8:30-8:35 Welcome and introductory remarks

8:35-9:05 Kimberly Nichols (LANL), “Field Emitter Array Cathodes” (no recording available)

9:10-9:40 Brendan O'Shea (SLAC), “Machine learning for accelerator monitoring and control”

9:40 - 9:50 break

9:50 - 10:05 Keenan Hunt-Stone (U. Colorado Boulder), "Electro-Optic Sampling Beam Position Monitor"

10:05 - 10:20 N. Majernik (UCLA), "Multileaf collimator for real-time emittance exchange beam masking"

10:20 - 10:35 A. Hanuka (SLAC), “Accurate and confident prediction of electron beam longitudinal properties using spectral virtual diagnostics"

10:35 - 10:50 M. Schneider (MSU and LANL), "Developed and experimentally vetted ampere-class field emission cathode (FEC) operated up to 100 MV/m and Beyond Child Langmuir" (see also Q&A)

10:50 - 11:00 break

11-11:40 poster session; Zoom sessions for each poster author

11:40-noon General discussion

January 20: Working Group 6 – Laser-ion acceleration

Leaders: Franklin Dollar (UCI) and Tammy Ma (LLNL)

8:30 – Introduction by Eric Esarey (LBNL) and Tammy Ma (LLNL)

8:40 – Jörg Schreiber (LMU) - "Overview and progress in ion acceleration"

9:10 – Qing Ji (LBNL) - “Ion acceleration: medical & radbio applications” (no recording available)

9:40 – Break / Discussion

10:00 – Brandon K. Russell, University of Michigan, "Multiple species laser-driven ion-shock acceleration"

10:15 – L. Obst-Huebl, Lawrence Berkeley National Laboratory, "Ion acceleration at the BELLA PW" (no recording available)

10:30 – Tianhong Wang, Cornell University, "Laser-Ion Lens and Accelerator (LILA): Towards Point-Like Sources of Relativistic Ions Using Nanostructured Targets in RPA Regime"

10:45 – A. Huebl, Lawrence Berkeley National Laboratory, "An Analytical Model Connecting Spectral Multi-Species Modulations with Microscopic Electron-Properties in PW-Class Laser-Ion Acceleration"

11:00 – Discussion

Jan 27: Working Group 7 – Radiation generation and advanced concepts

Leaders: Marie-Emanuelle Couprie (SOLEIL) and Jonathan Jarvis (FNAL)

8:30-8:35 Eric Esarey (LBNL) and Marie-Emanuelle Couprie (SOLEIL), Welcome and Introduction

Invited oral session

8:35-9:05 Zan Nie (UCLA) – “Generation and acceleration of spin polarized electron bunches in plasma accelerators” (see also Q&A)

9:05-9:35 Xueying Lu (NIU & ANL) – “Advanced structures design for acceleration and radiation applications”

9:35-9:50 Break

Contributed oral session

9:50-10:00 Jimin Seok (UNIST & ANL) – "Demonstration of Multi-Function Bunch Compressor at Argonne Wakefield Accelerator"

10:00-10:10 Claudio Emma (SLAC) – "PAX: Plasma-driven Attosecond X-ray Source"

10:10-10:20 Hanqi Feng (Tsinghua Univ.) – "A novel THz generation scheme based on plasma-beam interaction"

10:20-10:30 Benedikt Hermann (PSI) – "Beam Shaping with Dielectric Wakefields at SwissFEL"

10:30-10:40 Andrea Hannasch (Univ. Texas) – "Compact universal spectrometer for secondary x-rays from laser wakefield accelerators"

General Q&A

February 3, Working Group 8 – Radiation generation and advanced concepts

Leaders: Laura Corner (Liverpool) and Emily Link (LLNL)

Invited Orals session

8:30-8:40: Eric Esarey (LBNL) and Emily Link (LLNL), Welcome and Introduction

8:40-9:10: Mark Hogan (SLAC) - "PWFA Science program @ FACET-II"

9:40-10:10: Eric Colby (US DOE) - "What’s Next for Accelerator R&D?"

10:10-10:25: Discussion

10:25-10:35: Break

Contributed Orals session

10:35-10:55: Anne-Lise Viotti (DESY & Lund) - "Pulse post-compression of high average power Yb:YAG lasers"

10:55-11:15: Tom Pacey (STFC Daresbury Lab & Cockcroft) - "Full Energy Beam Exploitation at CLARA for Advanced Accelerators"

11:15-11:30: Discussion

11:30-11:45: Cameron Geddes - Snowmass activities update

11:45-12:00: Eric Esarey - Close-out (includes remarks on Snowmass and PASAIG)

The above dates are subject to change.