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    CDHY PeVatron Workshop

    8–10 Oct 2025
    Nevis Labs, Columbia University
    America/New_York timezone

    Session

    PWNe

    8 Oct 2025, 14:45
    Nevis Labs, Columbia University

    Nevis Labs, Columbia University

    Presentation materials

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    1. 31. Evolution of Pulsar Wind Nebulae Inside Supernova Remnants
      Tea Temim (Princeton University), Tea Temim
      08/10/2025, 14:45

      Composite supernova remnants (SNRs) are those consisting of both a central pulsar that produces a wind of synchrotron-emitting relativistic particle and a supernova (SN) blast wave that expands into the surrounding interstellar medium (ISM). The evolution of the pulsar wind nebula (PWN) is coupled to the evolution of its host SNR and characterized by distinct stages, from the PWN’s early...

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    2. 16. 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)
      08/10/2025, 15:15
      Plenary General

      I will review several cases which provide the strongest constraints on particle acceleration efficiency in pulsar winds. I will also discuss constraints on particle transport from a multiwavelength data standpoint with an emphasis on recently discovered misaligned outflows (a.k.a. kinetic jets or pulsar filaments) and prospects of detecting/resolving them in the TeV energy range with CTAO.

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    3. 3. Going Beyond One-Zone: A multi-zone SED model for PWNe
      Hongjun An (Chungbuk National University)
      08/10/2025, 16:15
      Plenary General

      Pulsar wind nebulae (PWNe) are powerful cosmic accelerators, acting as a primary source of energetic leptons in our galaxy. Their high-energy emissions, spanning from X-ray to ultra-high-energy (UHE; >100 TeV), provide a critical diagnostic for understanding acceleration and evolution of ultra-relativistic partlcles within these dynamic sources.

      While one-zone models of PWN spectral energy...

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    4. 14. 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)
      08/10/2025, 16:45
      Topic Talk

      Recent LHAASO observations have revealed ultra-high-energy (UHE) gamma-ray emission extending into the PeV range from several pulsar wind nebulae (PWNe), establishing them as prime candidates for Galactic “PeVatrons.” We conducted a comparative study of three PWNe powered by pulsars with markedly different spin-down ages: PSR J0007+7303 (14 kyr), PSR J1849−0001 (43 kyr), and PSR J1740+1000...

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    5. 32. Detections, constraints, and future aspect of TeV halos
      Ruo-Yu Shang (Barnard College), Ruo-Yu Shang
      08/10/2025, 17:00
    6. 33. Discussion of PWNe
      Alison Mitchell (ECAP, FAU Erlangen-Nürnberg), Oleg Kargaltsev (The George Washington University)
      08/10/2025, 17:15
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