Publications

  • Riki Matsui, Shigeo, S Kimura, Hamid Hamidani " High-energy neutrinos from late-time jets of gamma-ray bursts seeded with cocoon photons ", 2024 ApJ 974 185 ads link
  • Riki Matsui, Shigeo, S Kimura, Kenji Toma, Kohta Murase, "High-energy neutrino emission associated with gravitational- wave signals: effects of cocoon photons and constraints on late-time emission", 2023 ApJ 950 190 ads link

Talks

International conferences

  • Riki Matsui, Shigeo Kimura, “Multi-wavelength emission associated with X-ray flares of GRBs”, The 3rd meating of “The creation of multi-messenger Astrophysics”, Naruko, Japan, 19 Nov 2025 (Non Peer-reviewed, Oral presentation)
  • Riki Matsui, Shigeo Kimura, Hamid Hamidani, “High-energy neutrinos from late-time jets of gamma-ray bursts seeded with cocoon photons”, GRB Forum 2024, Athens, Greece, 12 Jul 2024 (Peer-reviewed, Oral presentation)
  • Riki Matsui, Shigeo Kimura, Hamid Hamidani, “High-energy neutrinos and gamma-rays from late-time jets of gamma-ray bursts seeded with cocoon photons”, AMES workshop, Atami, Japan, 5 Jul 2024 (Non Peer-reviewed, Oral presentation)
  • Riki Matsui, Shigeo Kimura, Hamid Hamidani, “Neutrino emission associated with late-time emissions of gamma-ray bursts” The 1st meating of “The creation of multi-messenger Astrophysics”, Gero, Japan, 4 Dec 2023(Non Peer-reviewed, Oral presentation)
  • Riki Matsui, Shigeo Kimursa, Hamid Hamidani, “Neutrino emission associated with late-time emissions of gamma-ray bursts” TeV Particle Astrophysics 2023, Napoli, Italy Sep. 2023 (Non Peer-reviewed, Oral presentation)
  • Riki Matsui, Shigeo Kimura, Kenji Toma, Kohta Murase, “High-energy neutrino emission associated with gravitational-wave signals: effects of cocoon photons and constraints on late-time emission”, The 38th International Cosmic Ray Conference, Nagoya, Japan, Jul 26 – Aug 3, 2023 (Peer-reviewed, Oral presentation)
  • Riki Matsui, Shigeo Kimura, Kenji Toma, Kohta Murase, “Neutrinos associated with gravitational waves: effects of cocoon photons”, NCfA Symposium, University of Nevada, Las Vegas, U.S., 22 Feb. 2023 (Non Peer-reviewed, Poster presentation)
  • Riki Matsui, Shigeo Kimura, Kenji Toma, “Prediction of high-energy neutrino signals associated with gravitational waves: effects of kilonova photons” TeV Particle Astrophysics 2022, Queen’s University, Kingston, Canada 8 Aug. 2022 (Non Peer-reviewed, Oral presentation)

Seminars (in English)

  • TIANFU Cosmic Ray Research Center, "New GeV Constraint on GRB 221009A”, 24 September 2025
  • Tokyo University, Komaba, "New GeV constraints on GRB 221009A", 23 Jul. 2025
  • SPA meeting, Computional Center for Astrophysics, New York City, 30 Jan. 2025
  • GAPP seminar, Pennsylvania State University, State College, Pennsylvania 4 Mar. 2025
  • THEA seminar, Columbia University, New York City 24 Jan. 2025
  • YITP, University of Kyoto Mar. 19 2024
  • RESCEU, University of Tokyo Jul. 19 2023 (invited)
  • University of Nevada, Las Vegas Feb. 20 2023