Name: CDHY PeVatron Workshop
Start: 2025-10-08T08:00:00-04:00
End: 2025-10-10T23:50:00-04:00
Location: Nevis Labs, Columbia University

Monday 6 October 2025
Tuesday 7 October 2025
Wednesday 8 October 2025
09:00 Introduction and Highlights above 10 TeV
09:00 - 10:30
Contributions

09:00 Welcome and Logistics - Kaya Mori (Columbia University) Reshmi Mukherjee (Barnard College, Columbia University)

09:05 The High-Altitude View of the Most Extreme Phenomena in the Universe - Angela Olinto

09:30 Highlights at > 1 TeV from LHAASO (placeholder title) - Zhen Cao

10:00 Hunting PeVatrons with HAWC and SWGO - Xiaojie Wang
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00 SNRs
11:00 - 12:00
Contributions

11:00 Ongoing Particle Acceleration in Young Supernova Remnants Revealed by Multi-Epoch NuSTAR Observations - Jooyun Woo (Columbia University) Jooyun Woo

11:30 The Maximum Energy of Shock-Accelerated Cosmic Rays - Rebecca Diesing (Columbia University & Institute for Advanced Study)
12:00 Lunch
Lunch
12:00 - 13:30
13:30 SNRs
13:30 - 14:45
Contributions

13:30 Maximum energy and spectra of particles accelerated at supernova remnants - Martin Pohl

14:00 Two Paths Toward Testing SNRs as Galactic PeVatrons - Emily Simon (University of Chicago)

14:15 Discussion of SNRs - Martin Pohl Silvia Celli
14:45 PWNe
14:45 - 15:45
Contributions

14:45 Evolution of Pulsar Wind Nebulae Inside Supernova Remnants - Tea Temim (Princeton University) Tea Temim

15:15 Constraints on particle acceleration from multiwavelength properties of UHE/TeV sources associated with pulsars - Oleg Kargaltsev (The George Washington University) Oleg Kargaltsev (The George Washington University)
15:45 Coffee break
Coffee break
15:45 - 16:15
16:15 PWNe
16:15 - 17:45
Contributions

16:15 Going Beyond One-Zone: A multi-zone SED model for PWNe - Hongjun An (Chungbuk National University)

16:45 Pulsar Wind Nebulae as Galactic PeVatrons: A Comparative Study of CTA 1, PSR J1849−0001, and PSR J1740+1000 - Seth Gagnon (The George Washington University)

17:00 Detections, constraints, and future aspect of TeV halos - Ruo-Yu Shang (Barnard College) Ruo-Yu Shang

17:15 Discussion of PWNe - Alison Mitchell (ECAP, FAU Erlangen-Nürnberg) Oleg Kargaltsev (The George Washington University)
18:00 Reception
Reception
18:00 - 19:30
Thursday 9 October 2025
08:55 Microquasars
08:55 - 10:30
Contributions

09:00 Microquasars as PeV accelerators: the mounting observational evidence from very-high-energy gamma-ray observations. - Laura Olivera Nieto Laura Olivera-Nieto (Anton Pannekoek Institute for Astronomy, University of Amsterdam)

09:30 Recent X-ray studies of microquasars (TBD) - Naomi Tsuji (University of Tokyo/ICRR)

10:00 Microquasars and pulsar wind nebulae as PeVatrons - Gwenael Giacinti (Tsung-Dao Lee Institute, SJTU)
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00 Microquasars
11:00 - 12:10
Contributions

11:00 MHD simulations for SS 433 that model the recent IXPE polarization detection - Haocheng Zhang (University of Maryland Baltimore County) Haocheng Zhang

11:20 Hadronic Signatures of Black Hole Jets - Kohta Murase

11:40 Discussion of Microquasars - Naomi Tsuji (University of Tokyo/ICRR) Paolo Coppi
12:10 Group photo + Lunch
Group photo + Lunch
12:10 - 13:30
13:30 Acceleration Theory
13:30 - 15:00
Contributions

13:30 Reconnection-powered multi-messenger emission from black hole coronae - Lorenzo Sironi

14:00 Ion acceleration in 3D hybrid simulations of perpendicular shocks - Luca Orusa (Columbia University)

14:20 Cosmic Ray Acceleration in Turbulent Magnetized Plasmas - Luca Comisso (Columbia University)

14:40 Discussion of Acceleration Theory - Lorenzo Sironi
15:00 Coffee break
Coffee break
15:00 - 15:30
15:30 Neutrinos
15:30 - 17:00
Contributions

15:30 Traces of the Galactic Center PeVatron - Shuo Zhang (Michigan State University)

16:00 Galactic PeVatrons through the Neutrino Lens - Ke Fang

16:30 Science with Cherenkov neutrino telescopes - Silvia Celli
18:00 Gala Dinner
Gala Dinner
18:00 - 20:00
Friday 10 October 2025
09:00 Emerging Pev Sources
09:00 - 10:30
Contributions

09:00 Studying PeVatron candidates with VERITAS and PANOSETI - Jamie Holder

09:30 Investigating the distribution and propagation of Galactic Cosmic rays using gamma-rays - Ruizhi Yang

10:00 Contribution of young massive stellar clusters to the Galactic diﬀuse gamma-ray and neutrino emissions - Silvia Celli
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00 Emerging Pev Sources
11:00 - 12:15
Contributions

11:00 Revealing the origin of UHE gamma-rays from massive-star environments with 3D (M)HD simulations and detailed modelling: the case of the Cygnus region. - Lucia Haerer (MPIK, Heidelberg, Germany)

11:20 Cosmic ray escape from Galactic PeVatrons - Alison Mitchell (ECAP, FAU Erlangen-Nürnberg)

11:50 Discussion on Alternative PeVatrons - Kaya Mori (Columbia University) Matthew Lundy (Columbia University)
12:15 Barbeque Lunch
Barbeque Lunch
12:15 - 13:55
13:55 Galactic Accelerators at all Energies
13:55 - 15:10
Contributions

13:55 CTA 1: The TeV Picture with VERITAS - Svanik Tandon (Columbia University)

14:10 Evidence of an Energetic Magnetar Powering 1LHAASO J0500+4454 - Jason Alford (NYU)

14:25 TeV Binary HESS J0632+057: Multi-Wavelength Insights into Pulsar–Disk Interaction - Jaegeun Park (Chungbuk National University)

14:40 Probing PeVatron Candidates with CO/H I and IRจCmm Data: V4641 Sgr & LHAASO J2108+5157. - Eduardo De La Fuente Acosta Montserrat Montiel Dücker Romero (Instituto Tecnológico y de Estudios Superiores de Monterrey) Montserrat Montiel Dücker Romero

14:55 Topic Talk - Marco Tavani
15:10 Coffee break
Coffee break
15:10 - 15:40
15:40 Galactic Accelerators at all Energies
15:40 - 17:45
Contributions

15:40 Following up dark LHAASO Sources with VERITAS - Matthew Lundy (Columbia University)

15:55 Unraveling the Complex Gamma-Ray Emission from the eHWC J1825-134 Region with HAWC - Dezhi Huang

16:10 High Synchrotron Peaked Pevatron Sources in the Galaxy - Paolo Coppi

16:25 Energy Partition in Relativistic Magnetic Reconnection - Nilay Mancini

16:40 PeVatrons with the ASTRI Mini-Array - Andrea Giuliani

16:55 Discussion of Future Instruments - Jamie Holder

17:15 Discussion: what's next for Galactic PeVatrons observations and theories - Kaya Mori (Columbia University) Reshmi Mukherjee (Barnard College, Columbia University)
17:45 Closing Remarks
Closing Remarks
17:45 - 17:50