Presentations in English

**** Oral Presentations ****

  • "High-power laser experiment forming supercritical magnetized collisionless shocks"
    R. Yamazaki et al.
    International Conference on High Energy Density Sciences 2024 (HEDS2024)
    (April 22-26, 2024, Yokohama, Japan)

  • "Forming a supercritical magnetized collisionless shocks using high-power lasers"
    R. Yamazaki et al.
    The 5th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2021)
    (September 26 - October 1, 2021, Online)

  • "A possible link between normal long GRBs and a short GRB 200826A"
    R. Yamazaki
    Sixteenth Marcel Grossmann Meeting (MG16)
    (July 5-10, 2021, Online)

  • "Formation of a Supercritical Collisionless Shock in a Magnetized Uniform Plasma at Rest"
    R. Yamazaki, S. J. Tanaka, N. Ishizaka, S. Kakuchi, S. Sei et al.
    International Conference on High Energy Density Sciences 2021 (HEDS2021)
    (April 19-21, 2021, Online/Osaka, Japan)

  • "Generation of Magnetized Collisionless Shock with High-Power lasers"
    R. Yamazaki, S. Matsukiyo, T. Morita, K. Tomita, T. Umeda, et al.
    43rd COSPAR Scientific Assembly
    (August 15-22, 2020, Sydney, Australia => January 28 - February 4, 2021, online)

  • "Shock Waves in Astrophysical and Laboratory Plasmas"
    R. Yamazaki
    The 14th Asia-Pacific Physics Conference (APPC14)
    (November 17-22, 2019, Kuching, Malaysia)

  • "Collisionless shocks in astrophysical and laboratory plasmas"
    R. Yamazaki
    Kick-off meeting of "Asian Laser Astrophysics International Research and Education Center"
    (September 25, 2019, Osaka, Japan)

  • "Toward the generation of magnetized collisionless shocks with high-energy lasers"
    R. Yamazaki et al.
    Workshop to bring together experts on High Energy Astrophysics from Japan and Israel
    (July 18-23, 2019, RIKEN, Wako, Japan)

  • "Counter-jet emissions from short GRBs similar to binary neutron star merger event GW 170817/GRB 170817A"
    R. Yamazaki, K. Ioka, T. Nakamura
    Toyama International Symposium on "Physics at the Cosmic Frontier"
    (March 7-8, 2019, Toyama, Japan)

  • "Counter-jet emission from GW 170817/GRB 170817A"
    R. Yamazaki, K. Ioka, T. Nakamura
    Workshop on JSPS-PAN (Polish Academy of Sciences) Bilateral Joint Research Project
    (March 1-5, 2019, Kyushu, Japan)

  • "Toward the Unified Model of Supernova Remnants"
    R. Yamazaki
    SNR workshop 2017
    (September 28-29, 2017, Nagoya, Japan)

  • "Low-mach-number collisionless shocks in astrophysical and laboratory plasmas"
    R. Yamazaki
    The 1st Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2017)
    (September 18-23, 2017, Chengdu, China)

  • "On cosmic-ray production efficiency at SNR shocks propagating into realistic diffuse ISM"
    R. Yamazaki
    Shock Acceleration: From the Solar System to Cosmology
    (January 5-9, 2015, Leiden, Netherlands)

  • "Importance of Low Mach Number Shocks in Astrophysical Plasmas"
    R. Yamazaki
    Physics of the Injection of Particle Acceleration at Astrophysical, Heliospheric, and Laboratory Collisionless Shocks
    (March 17-21, 2014, Bern, Switzerland)

  • "The Importance of Upstream Inhomogeneity in Cosmic-Ray Acceleration at Supernova Remnants"
    R. Yamazaki
    Conference on Supernovae on Supernova and Gamma-Ray Bursts
    (October 28-November 1, 2013, Yukawa Institute for Theoretical Physics, Kyoto, Japan)

  • "Cosmic-ray Acceleration at Young and Middle-aged SNRs Interacting with Interstellar Clouds"
    R. Yamazaki
    Asia Pacific Center for Theoretical Physics (APCTP) Workshop on Astrophysics: Magnetic Fields in Astrophysics
    (November 19-22, 2012, Pohang APCTP Headquarters, Pohang, Korea)

  • "On Gamma-ray Spectra of Young and Middle-aged SNRs Producing CRs"
    R. Yamazaki
    International Workshop on Particles and Radiation from Cosmic Accelerators CA2012
    (February 20-22, 2012, Chiba University, Chiba, Japan)

  • "Cosmic-ray Acceleration at RCW 86"
    R. Yamazaki
    5th Korean Astrophysics Workshop on Shock Waves, Turbulence, and Particle Acceleration
    (November 18--21, 2009, Pohang, Korea)

  • "Prior Emission Model for the Plateau Phase in the X-ray Afterglows"
    R. Yamazaki
    ``The Shocking Universe'' (GRBs and High Energy Shock phenomena in the Universe)
    (September 14--18, 2009, San Servolo Island, Venice, Italy)

  • "On the plateau phase of X-ray afterglows"
    R. Yamazaki
    KIAA-DoA-NAOC Joint Program on GRB Physics,
    (May 4-June 19, 2009, KIAA, Peking University, Beijing, China)

  • "On the origin of TeV unidentified sources"
    R. Yamazaki
    37th COSPAR Scientific Assembly
    (July 13-20, 2008, Montreal, Canada)

  • "Recent topics on particle acceleration at supernova remnants"
    R. Yamazaki
    American Physical Society Special Conference
    (April 11-15, 2008, St Luois, USA) [ADS]

  • "Recent Progress on Theories of Particle Acceleration"
    R. Yamazaki
    International Workshop on Advances in Cosmic Ray Science
    (March 17-19, 2008, Waseda University, Japan)

  • "On the Energy Partition in Astrophysical Collisionless Shocks"
    R. Yamazaki
    Japan-Korea Mini-Workshop 2007 on Laboratory, Space and Astrophysical Plasmas
    (April 5-6, 2007, Daejeon, Korea)

  • "Energy Partition at Shocks in Young Supernova Remnants"
    R. Yamazaki
    Shock Formation under Extreme Environments in the Universe
    (February 20-22, 2007, TokyoTech, Japan)

  • "TeV Gamma-rays from Old Supernova Remnants"
    R. Yamazaki, K. Kohri, A. Bamba, T. Yoshida, T. Tsuribe, & F. Takahara
    The Extreme Universe in the Suzaku Era (Suzaku 2006)
    (December 4-8, 2006, Kyoto, Japan)

  • "TeV Gamma-rays from Old Supernova Remnants"
    R. Yamazaki, K. Kohri, A. Bamba, T. Yoshida, T. Tsuribe, & F. Takahara
    Energy Budget in the High Energy Universe
    (February 22-24, 2006, Kashiwa, Japan)

  • "Giant flare of SGR 1806-20 from a relativistic jet"
    R. Yamazaki, K. Ioka, F. Takahara, & N. Shibazaki
    The Third 21COE Symposium: Astrophysics as Interdisciplinary Science
    (September 1-3, 2005, Waseda University, Japan) [html]

  • "Giant flare of SGR 1806-20 from a relativistic jet"
    R. Yamazaki, K. Ioka, F. Takahara, & N. Shibazaki
    Ultra-Relativistic Jets in Astrophysics
    (July 11-15, 2005, Banff, Canada)

  • "Relativistic Beaming Model of X-Ray Flashes and GRBs"
    R. Yamazaki, K. Toma, K. Ioka, & T. Nakamura
    Topical Session at the AAS 206th meeting; "X-ray Flashes"
    (May 29-June 2, 2005, Minneapolis, USA) [ADS]

  • "Radiation from relativistic jets: GRBs/XRFs and SGRs"
    R. Yamazaki
    Toward Very High Energy Particle Astronomy 5
    (March 7-8, 2005, ICRR, Kashiwa, Japan)

  • "A Unified Model of Short and Long GRBs, X-Ray Rich GRBs, and X-Ray Flashes"
    R. Yamazaki, K. Ioka, T. Nakamura, & K. Toma,
    22nd TEXAS SYMPOSIUM on Relativistic Astrophysics
    (December 13-17, 2004, Stanford, USA)

  • "A Unified Model of Short and Long GRBs, X-Ray Rich GRBs, and X-Ray Flashes"
    R. Yamazaki, K. Ioka, T. Nakamura, & K. Toma,
    The 14th Workshop on General Relativity and Gravitation
    (November 29-December 3, 2004, Kyoto, Japan)

  • "A Unified Model of Short and Long GRBs, X-Ray Rich GRBs, and X-Ray Flashes"
    R. Yamazaki, K. Ioka, T. Nakamura, & K. Toma,
    2004 Post-Nishinomiya-Yukawa Symposium
    (November 4-6, 2004, Kyoto, Japan)

  • "A Unified Model of Short and Long GRBs, X-Ray Rich GRBs, and X-Ray Flashes"
    R. Yamazaki, K. Ioka, T. Nakamura, & K. Toma,
    The 4th Rome Workshop: Gamma-Ray Bursts in the Afterglow Era
    (October 18-22, 2004, Rome, Italy)

  • "A Unified Model of Short and Long GRBs, X-Ray Rich GRBs, and X-Ray Flashes"
    R. Yamazaki, K. Ioka, T. Nakamura, & K. Toma,
    35th COSPAR Scientific Assembly 2004
    (July 18-25, 2004, Paris, France)

  • "Cosmological X-ray flashes in the off-axis jet model"
    R. Yamazaki, K. Ioka, & T. Nakamura,
    RIKEN Symposium: GRB 2003
    (December 8-10, 2003, RIKEN, Japan)

  • "Magnetic Field Configurations in SN 1006 NE Rim"
    R. Yamazaki, T. Yoshida, T. Terasawa, A. Bamba, M. Ueno, & K. Koyama,
    28th International Cosmic Ray conference
    (July 31-August 7, 2003, Tsukuba, Japan)

  • "X-ray Flashes from Off-Axis Gamma-Ray Bursts"
    R. Yamazaki, K. Ioka & T. Nakamura,
    The 3rd Rome Workshop: Gamma-Ray Bursts in the Afterglow Era
    (September 17-20, 2002, Rome, Italy)

  • "Static Solutions to Einstein-Born-Infeld-dilaton System in (2+1) Dimensions"
    R. Yamazaki & D. Ida,
    The 10th Workshop on General Relativity and Gravitation
    (September 11-14, 2000, Osaka University, Japan)

    • **** Poster Presentations ****

  • "Toward the generation of magnetized collisionless shocks with high-energy lasers"
    R. Yamazaki
    Supernova Remnants II: An Odyssey in Space after Stellar death
    (June 3-8, 2019, Chania, Crete, Greece)

  • "Thomson scattering measurements of the transition layer of collisionless shocks"
    R. Yamazaki, S. Tomiya, I. Miyata, H. Tohda et al.
    12th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2018)
    (May 27-Jun 1, 2018, Kurashiki, Okayama, Japan)

  • "Toward Generation of Supercritical Magnetized Collisionless Shocks with High-Power Lasers"
    R. Yamazaki, Y. Shoji, Y. Ohira, S. Tomita, S. Tomiya et al.
    The 18th International Congress on Plasma Physics (ICPP 2016)
    (June 27 - July 1, 2016, Kaohsiung, Taiwan)

  • "Synchrotron X-ray diagnostics of cutoff shape of nonthermal electron spectrum at young SNRs"
    R. Yamazaki, Y. Ohira, M. Sawada, & A. Bamba
    International Winter School on the Interstellar Medium and High-Energy Phenomena 2013
    (March 3-8, 2013, Ise-Shima, Japan)

  • "Cosmic-ray Acceleration at Young and Middle-aged SNRs Interacting with Interstellar Clouds"
    R. Yamazaki, T. Inoue, Y. Ohira, Inutsuka, S, & Y. Fukui
    Gamma 2012
    (July 9-13, 2012, Heidelberg, Germany)

  • "Full particle simulation of a perpendicular collisionless shock: A shock-rest-frame model"
    R. Yamazaki & T. Umeda
    CAWSES: International Workshop on Space Weather Modeling (CSWM)
    (November 14-17, 2006, Yokohama, Japan)

  • "Tail Emission of Prompt GRBs"
    R. Yamazaki, K. Toma, K. Ioka, & T. Nakamura
    Swift and GRBs: Unveiling the Relativistic Universe
    (June 5-9, 2006, Venice, Italy)

  • "Tail Emission of Prompt GRBs"
    R. Yamazaki, K. Toma, K. Ioka, & T. Nakamura
    Gamma-Ray Bursts in the Swift Era
    (November 29-December 2, 2005, Washington, DC., USA)

  • "A Unified Model of Short and Long GRBs, X-Ray Rich GRBs, and X-Ray Flashes"
    R. Yamazaki, K. Ioka, & T. Nakamura,
    RIKEN Symposium: GRB 2003
    (December 8-10, 2003, RIKEN, Japan)

  • "An Off-Axis Jet Model for GRB 980425 and Low Energy GRBs"
    R. Yamazaki, D. Yonetoku & T. Nakamura,
    The 6th RESCEU International Symposium (November 4-7, 2003, Tokyo, Japan)

  • "An Off-Axis Jet Model for GRB 980425 and Low Energy GRBs"
    R. Yamazaki, D. Yonetoku & T. Nakamura,
    Stellar-Mass, Intermediate-Mass, and Supermassive Black Holes
    (October 28-31, 2003, Kyoto, Japan)

  • "GRB 980425 in the off-axis jet model of the standard GRBs
    with the intrinsically high peak energy"
    R. Yamazaki, D. Yonetoku & T. Nakamura,
    2003 GRB Conference (September 8-12, 2003, Santa Fe, USA)

  • "Cosmological X-ray Flashes in the Off-Axis Jet Model"
    R. Yamazaki, K. Ioka & T. Nakamura,
    2003 GRB Conference (September 8-12, 2003, Santa Fe, USA)

  • "X-ray Flashes from Off-Axis Gamma-Ray Bursts"
    R. Yamazaki, K. Ioka & T. Nakamura,
    The IAU 8th Asian-Pacific Regional Meeting
    (July 2-5, 2002, Tokyo, Japan)

    • **** Others (not complete) ****

  • "Measurement of the Forward Shock Velocities of the Supernova Remnant N132D Based on the Thermal X-ray Emission"
    Y. Okada, Y. Ohshiro, S. Suzuki, H. Suzuki, P. P. Plucinsky, R. Yamazaki, & H. Yamaguchi
    39th International Cosmic Ray Conference (ICRC2025)
    (July 15-24, 2025, Geneva, Switzerland)

  • "Proof-of-principle experiment of induced Compton scattering: a laser-plasma interaction around extreme astrophysical object"
    S. J. Tanaka, R. Yamazaki, Y. Kuramitsu, Y. Abe, T. Minami et al.
    Matter in Extreme Conditions for Magnetized PLAsmas
    (February 3-10, 2024, Montgenevre, France)

  • "Experimental investigation of energy conversion in a magnetic reconnection in laser-produced plasma"
    T. Morita, S. Matsukiyo, R. Yamazaki, S. Isayama, S. J. Tanaka et al.
    International Conference on Inertial Fusion Sciences and Applications 2023 (IFSA2023)
    (September 25-29, 2023, Denver, USA)

  • "Investigation of the formation of supercritical collisionless shock using high-power laser"
    Y. Maenosono, T. Morita, R. Yamazaki, S. Matsukiyo, G. Nakayama, J. Shiota, et al.
    International Conference on Inertial Fusion Sciences and Applications 2023 (IFSA2023)
    (September 25-29, 2023, Denver, USA)

  • "Magnetic reconnection in laser-produced electron-magnetized plasmas"
    K. Sakai, T. Moritaka, T. Morita, K. Tomita, T. Minami et al.
    International Conference on Inertial Fusion Sciences and Applications 2023 (IFSA2023)
    (September 25-29, 2023, Denver, USA)

  • "X-ray and gamma-ray characteristics of cosmic-ray acceleration processes in SNRs: systematic trends and dependence on environment"
    H. Suzuki, A. Bamba, R. Yamazaki, Y. Ohira, S. Katsuda, T. Tanaka, T. Inoue, F. Fraschetti,
    Asia-Pacific Regional IAU meeting (APRIM2023)
    (August 7 - 11, 2023, Koriyama, Japan)

  • "Systematic trends and variety of particle acceleration processes in SNRs as promising Galactic CR accelerators"
    H. Suzuki, A. Bamba, R. Yamazaki, Y. Ohira, S. Katsuda, T. Tanaka, T. Inoue, F. Fraschetti
    38th International Cosmic Ray Conference (ICRC2023)
    (July 26 - August 3, 2023, Nagoya, Japan)

  • "Gekko XII high power laser experiment and numerical simulation on developing supercritical magnetized shock"
    S. Matsukiyo, R. Yamazaki, T. Morita, K. Tomita, Y. Kuramitsu et al.
    20th International Congress on Plasma Phyics (ICPP2022)
    (November 27- December 2, 2022, Gyeongju, Korea)

  • "Development of pulsed magnet for collisionless shock experiment using high-power laser"
    T. Takezaki, T. Oguchi, H. Ito, R. Yamazaki, S. J. Tanaka, T. Morita et al.
    9th Euro-Asian Pulsed Power Conference & 24th International Conference on High-Power Particle Beams
    (September 18-22, 2022, Seoul, Korea)

  • "On Theoretical Interpretation of Broad-band Afterglows of A Very-high-energy GRB 190829A"
    Y. Sato, K. Obayashi, R. Yamazaki, K. Murase, Y. Ohira, S. J. Tanaka
    44th COSPAR Scientific Assembly
    (July 16-24, 2022, Athens, Greece)

  • "Observational Constraints on the Maximum Energies of Accelerated Particles in SNRs"
    H. Suzuki, A. Bamba, R. Yamazaki, Y. Ohira
    44th COSPAR Scientific Assembly
    (July 16-24, 2022, Athens, Greece)

  • "An Off-axis Jet Model for Multi-wavelength Afterglow Emission of GRB 190829A detected by H.E.S.S."
    Y. Sato, K. Obayashi, R. Yamazaki, K. Murase, Y. Ohira, S. J. Tanaka
    7th Heidelberg International Symposium on High-Energy Gamma-Ray Astronomy (Gamma2022)
    (July 4-8, 2022, Barcelona, Spain)

  • "Local measurements of laser-driven electron-scale magnetic reconnection"
    K. Sakai, T. Moritaka, T. Morita, K. Tomita, T. Minami et al.
    13th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2022)
    (May 23-27, 2022, Lisbon, Portugal)

  • "Induced Compton scattering experiment with J-KAREN-P laser"
    S. J. Tanaka, R. Yamazaki et al.
    The 5th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2021)
    (September 26 - October 1, 2021, Online)

  • "Development of Magnetic Field Generator for Generating Magnetized Collisionless Shock Using High Power Lasers"
    T. Oguchi, T. Takezaki, H. Ito, R. Yamazaki, et al.
    The 48th IEEE International Conference on Plasma Science (ICOPS2021)
    (September 12-16, 2021, Online)

  • "Study on magnetized collisionless shocks using PIC simulation and laser experiment"
    S. Matsukiyo, R. Yamazaki, T. Morita, K. Tomita, Y. Kuramitsu et al.
    High Energy Density Sciences 2021
    (April 19-21, 2021, Online/Osaka, Japan)

  • "Experimental investigation of magnetic reconnection in laser-driven self-generated magnetic field"
    T. Morita, S. Matsuo, T. Kojima, K. Aihara, Y. Arikawa, et al.
    High Energy Density Sciences 2021
    (April 19-21, 2021, Online/Osaka, Japan)

  • "Time-evolution of the magnetic field structure in laser-driven magnetic reconnection measured by proton radiography"
    S. Matsuo, T. Morita, T. Kojima, S. Isayama, S. Matsukiyo, et al.
    High Energy Density Sciences 2021
    (April 19-21, 2021, Online/Osaka, Japan)

  • "Observational gamma-ray and X-ray study on cosmic-ray escape from supernova remnants"
    H. Suzuki, A. Bamba, R. Yamazaki, & Y. Ohira
    Connecting high-energy astroparticle physics for origins of cosmic rays and future perspectives
    (December 7-10, 2020, Kyoto, Japan, +online)

  • "Theoretical Estimations and Observational Systematic Survey of R-process Gamma-rays from Galactic Kilonova Remnants"
    Y. Terada, Y. Miwa, S. Fujimoto, S. Katsuda, A. Bamba, R. Yamazaki
    43rd COSPAR Scientific Assembly
    (August 15-22, 2020, Sydney, Australia => January 28 - February 4, 2021, online)

  • "Probing the Recombining Plasma in High-latitude Galactic SNRs with XRISM and ATHENA Simulations"
    A. Sezer, T. Ergin, R. Yamazaki, H. Sano, Y. Fukui
    43rd COSPAR Scientific Assembly
    (August 15-22, 2020, Sydney, Australia => January 28 - February 4, 2021, online)

  • "Origins of the Gamma-ray Emission from Supernova Remnant HB9 "
    T. Ergin, L. Saha, A. Sezer, R. Yamazaki, H. Sano, Y. Fukui, P. Majumdar
    43rd COSPAR Scientific Assembly
    (August 15-22, 2020, Sydney, Australia => January 28 - February 4, 2021, online)

  • "Studying magnetic reconnection in high-power laser-produced plasmas by using local plasma and magnetic field measurements"
    T. Morita, Y. Sakawa, K. Tomita, R. Yamazaki, S. J. Tanaka et al.
    13th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2020)
    (May 25-29, 2020, Lisbon, Portugal)

  • "Simultaneous Measurement of Magnetic Field and Plasma Parameters for Magnetic Reconnection Driven by Laser-Produced Plasma"
    T. Kojima, T. Morita, Y. Sakawa, K. Tomita, R. Yamazaki, S. J. Tanaka et al.
    13th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2020)
    (May 25-29, 2020, Lisbon, Portugal)

  • "Local measurements of laser driven electron scale magnetic reconnections"
    K. Sakai, T. Minami, T. Nishimoto, M. Takano, T. Hihara, Y. Sakawa et al.
    13th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2020)
    (May 25-29, 2020, Lisbon, Portugal)

  • "H-alpha Spectro-polarimetry of a Balmer-dominated Shock in Tycho's SNR with Subaru FOCAS"
    S. Katsuda, K. Kawabata, J. Shimoda, Y. Ohira, R. Yamazaki et al.
    IAU Symposium 360: Astronomical Poralimetry 2020
    (March 23-27, 2020, Hiroshima, Japan)

  • "Numerical Estimation and Observational Searches for Nuclear Gamma-rays from Galactic Kilonova Remnants"
    Y. Terada, Y. Miwa, S. Fujimoto, S. Katsuda, A. Bamba, R. Yamazaki
    3rd Annual Area Symposium of Gravitational Wave Physics and Astronomy: Genesis
    (Feburary 10-12, 2020, Kobe, Japan)

  • "High energy emissions from Tidal disruption Remnants"
    K. Hayasaki & R. Yamazaki
    International Molecule-type Workshop "Tidal Disruption Events: General Relativistic Transients"
    (January 14-25, 2020, Kyoto, Japan)

  • "Laser astrophysics experiments for studying collisionless shock and magnetic reconnection"
    T. Morita, Y. Sakawa, M. Edamoto, S. Egashira, T. Higuchi et al.
    3rd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2019)
    (November 4-8, 2019, Hefei, China)

  • "Less noticeable shallow decay phase in early X-ray afterglows of GeV/TeV-detected GRBs"
    Y. Sato, R. Yamazaki, M. Serino, & T. Sakamoto
    Yamada Conference LXXI: Gamma-ray Bursts in the Gravitational Wave Era 2019
    (October 28 - November 1, 2019, Yokohama, Japan)

  • "Electromagnetic Counterpart Search for Gravitational Wave Sources and GRB Follow-up by AROMA-N and TARGET"
    M. Nakamura, H. Okubo, M. Noguchi, S. Ide, T. Sakamoto, M. Serino, & R. Yamazaki
    Yamada Conference LXXI: Gamma-ray Bursts in the Gravitational Wave Era 2019
    (October 28 - November 1, 2019, Yokohama, Japan)

  • "Microscopic plasma diagnostics using collective Thomson scattering in nonequilibrium laser produced plasmas
         relevant to magnetic reconnection"
    K. Sakai, N. Bolouki, S. Isayama, M. S. Habibi, Y. L. Liu et al.
    11th International Conference on Inertial Fusion Science and Applications (IFSA2019)
    (September 22-27, 2019, Osaka, Japan)

  • "Full PIC simulation of the interaction between two plasmas for laboratory experiments
         on the generation of magnetized collisionless shocks with high-power lasers"
    T. Umeda, R. Yamazaki, Y. Ohira
    15th symposium of Interrelationship between Plasma Experiments in the Laboratory and in Space (IPELS)
    (September 2-6, 2019, Tokyo, Japan)

  • "Multi-wavelength Studies of Mixed-morphology Supernova Remnant HB9"
    T. Ergin, A. Sezer, R. Yamazaki, H. Sano, & Y. Fukui
    CTA 1st Science Symposium: Exploring the High-Energy Universe with CTA
    (May 6-9, 2019, Bologna, Italy)

  • "X-ray study of a new particle accelerator candidate, the bow-shock region in G70.7+1.2"
    Y Imai, Y. Terada, A. Bamba, Y. Ohira, & R. Yamazaki
    New eyes on X-ray astrophysical objects with Japanese and Chinese observatories
    (November 19-21, 2018, ISAS/JAXA, Japan)

  • "A study on escaping of cosmic rays from SNR shocks through observations on thermal X-ray plasma"
    H. Suzuki, A. Bamba, K. Nakazawa, Y. Furuta, M. Sawada, R. Yamazaki, & K. Koyama
    Particle Acceleration and Transport: from the Sun to Extragalactic Sources
    (November 12-16, 2018, Rende, Italy)

  • "A Study on Homogeneous Recombining Plasma of G359.1-0.5: the GeV/VHE gamma-ray SNR Interacting with MCs"
    H. Suzuki, A. Bamba, H. Odaka, H. Yamaguchi, & R. Yamazaki
    SNR workshop 2018
    (October 9-10, 2018, Nagoya Univ., Japan)

  • "Toward Experimental Observations of Induced Compton Scattering"
    S. J. Tanaka, R. Yamazaki, Y. Kuramitsu, Y. Sakawa
    12th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2018)
    (May 27-Jun 1, 2018, Kurashiki, Okayama, Japan)

  • "Subaru Observations of H_alpha Filaments of the Cygnus Loop and Tycho's SNRs"
    S. Katsuda, K. Maeda, Y. Ohira et al.
    42th COSPAR Scientific Assembly
    (July 14-22, 2018, Pasadena, USA)

  • "Investigating the origin of the recombining plasma in W49B with X-IFU onboard Athena"
    A. Sezer, A. Bamba, T. Ergin, R. Yamazaki, S. Katsuda, & Y. Ohira
    42th COSPAR Scientific Assembly
    (July 14-22, 2018, Pasadena, USA)

  • "Polarized H-alpha Emission from SNR Shock Waves Efficiently Accelerating CRs"
    J. M. Laming, J. Shimoda, Y. Ohira, R. Yamazaki, S. Katsuda
    231st Meeting of the American Astronomical Society
    (January 8-12, 2018, Washington, DC, USA)

  • "A New Gamma-Ray Source in the Vicinity of the Galactic SNR G306.3-0.9"
    T. Ergin, S. Katsuda, A. Sezer, R. Yamazaki, S. Tanaka, H. Sano, Y. Fukui, & M. Filipovic
    7th International Fermi Symposium
    (October 15-20, 2017, Garmisch-Partenkirchen, Germany)

  • "Detection of an Unidentified Extended Gamma-ray Source Close to the Galactic SNR 3C 400.2"
    T. Ergin, A. Sezer, H. Sano, R. Yamazaki, & Y. Fukui
    7th International Fermi Symposium
    (October 15-20, 2017, Garmisch-Partenkirchen, Germany)

  • "The time evolution of rolloff frequency of the synchrotron spectrum from youngest Galactic SNR G1.9+0.3 using Suzaku"
    A. Sezer, R. Yamazaki, & Y. Ohira
    Physics of Neutron Stars - 2017 - 50 years after
    (July 10-14, 2017, Saint Petersburg, Russia)

  • "Investigating the X-ray and Gamma-ray Properties of the Galactic SNRs Kes 69, 3C 396, 3C 400.2"
    T. Ergin, A. Sezer, & R. Yamazaki
    Supernova Remnants: An Odyssey in Space after Stellar Death
    (June 6-11, 2016, Chania, Crete, Greece)

  • "Extremely high-Mach number collisionless shock in laser-produced plasmas"
    Y. Kuramitsu, S. Matsukiyo, K. Tomita et al.
    11th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2016)
    (May 16-20, 2016, Stanford, Japan)

  • "Spatial and Temporal Plasma Evolutions of Magnetic Reconnection in Laser Produced Plasmas"
    N. Khasanah, C. W. Peng, C. H. Chen et al.
    The 18th International Congress on Plasma Physics (ICPP 2016)
    (June 27 - July 1, 2016, Kaohsiung, Taiwan)

  • "An X- and Gamma-ray Study of the Young Supernova Remnant G306.3-0.9"
    A. Sezer, R. Yamazaki, F. Gok, T. Ergin
    The 41th COSPAR Scientific Assembly
    (July 30 - Aug. 7, 2016, Istanbul, Turkey)

  • "X- and Gamma-ray Spectral Properties of the Galactic Supernova Remnant G359.0-0.9"
    F. Gok, A. Sezer, R. Yamazaki, T. Ergin
    The 41th COSPAR Scientific Assembly
    (July 30 - Aug. 7, 2016, Istanbul, Turkey)

  • "Study on the difference between proper-motion of H_alpha line emission and non-thermal X-ray emission In SNRs"
    J. Shimoda, T. Inoue, Y. Ohira, R. Yamazaki
    The 40th COSPAR Scientific Assembly
    (Aug. 2-10, 2014, Moscow, Russia)

  • "Revisiting the Southwestern Limb of RCW 86 with the Chandra X-Ray Observatory"
    S. Katsuda et al. et al.
    The 40th COSPAR Scientific Assembly
    (Aug. 2-10, 2014, Moscow, Russia)

  • "GRB Detection Rate with CTA"
    J. Kakuwa, R. Yamazaki et al.
    "Gamma-Ray Bursts 2010 Conference 2010"
    (Nov. 1-4, 2010, Annapolis, USA)

  • "X-ray follow-ups of TeV unID sources using Suzaku"
    A. Bamba, R. Yamazaki et al.
    "The X-ray Universe 2008" Symposium
    (May 27-30, 2008, Granada, Spain) [ADS]

  • "Fe-rich ejecta in the northeast shell of RCW 86 revealed with Suzaku"
    H. Yamaguchi et al.
    "The X-ray Universe 2008" Symposium
    (May 27-30, 2008, Granada, Spain) [ADS]

  • "Global Properties Of X-ray Flashes And X-ray-rich GRBs Observed By Swift"
    T. Sakamoto, R. Yamazaki et al.
    37th COSPAR Scientific Assembly
    (July 13-20, 2008, Montreal, Canada)

  • "Full particle simulation of perpendicular collisionless shocks with a shock-rest-frame model"
    T. Umeda, R. Yamazaki, & M. Yamao
    American Geophysical Union, Fall Meeting 2007
    (December 10-14, 2007, San Francisco, USA) [ADS]

  • "Global Properties Of X-ray Flashes And X-ray-rich GRBs Observed By Swift"
    T. Sakamoto, D. Hullinger, G. Sato, R. Yamazaki et al.
    American Astronomical Society Meeting 210
    (May 27-31, 2007, Hawaii, USA) [ADS]

  • "Probing the Structure of Gamma-Ray Burst Jets with Steep Decay Phase of their Early X-ray Afterglows"
    K. Takami, R. Yamazaki, T. Sakamoto, & G. Sato
    16th Workshop on General Relativity and Gravitation
    (November 27 - December 1, 2006, Niigata, Japan)

  • "X-ray Diagnostics of acceleration efficiency of cosmic rays on the SNR shock fronts"
    A. Bamba, R. Yamazaki, & J. S. Hiraga
    High Energy Astrophysics in the Next Decade -NeXT and Future Missions-
    (June 21-23, 2006, Tokyo, Japan)

  • "Early X-ray Afterglows in a Multiple Subjet Model of GRBs"
    K. Toma, K. Ioka, R. Yamazaki, & T. Nakamura
    Gamma-Ray Bursts in the Swift Era
    (November 29-December 2, 2005, Washington, DC., USA)

  • "Early Afterglows and Variability"
    K. Ioka, S. Kobayashi, B. Zhang, K. Toma, R. Yamazaki, & T. Nakamura
    Gamma-Ray Bursts in the Swift Era
    (November 29-December 2, 2005, Washington, DC., USA)

  • "Epeak-Eiso-Egamma (Amati/Ghirlanda) Relations with Swift GRBs"
    G. Sato, T. Takahashi, K. Nakazawa, R. Yamazaki et al.
    Gamma-Ray Bursts in the Swift Era
    (November 29-December 2, 2005, Washington, DC., USA)

  • "A New Age and Distance Indicator of SNRs with nonthermal X-ray filaments"
    A. Bamba, R. Yamazaki, & J. S. Hiraga
    IAU Symposium No. 230 Populations of High Energy Sources in Galaxies
    (August 15-19, 2005, Dublin, Ireland)

  • "A Unified Model for GRBs"
    K. Toma, R. Yamazaki, K. Ioka, & T. Nakamura
    Ultra-Relativistic Jets in Astrophysics
    (July 11-15, 2005, Banff, Canada)

  • "Observation of Cosmic Storms: Environmental Effects of Magnetars' Giant Flares"
    T. Terasawa, R. Yamazaki, & S. Nagataki
    World Space Environment Forum 2005
    (May 2-6, 2005, Graz, Austria)

  • "A Hard X-ray Study of Nonthermal Filaments in Supernova Remnants"
    A. Bamba, R. Yamazaki, T. Yoshida, T. Terasawa, & K. Koyama
    Particles and Radiation from Cosmic Accelerators
    (March 2-4, 2005, Chiba, Japan)

  • "A Possible Origin of Bimodal Distribution of GRBs"
    K. Toma, R. Yamazaki, & T. Nakamura
    The 14th Workshop on General Relativity and Gravitation
    (November 29-Decmber 3, 2004, Kyoto, Japan)

  • "A Possible Origin of Bimodal Distribution of GRBs"
    K. Toma, R. Yamazaki, & T. Nakamura
    The 4th Rome Workshop: Gamma-Ray Bursts in the Afterglow Era
    (October 18-22, 2004, Rome, Italy)

  • "Small-scale structure of nonthermal X-rays in the historical SNRs"
    A. Bamba, R. Yamazaki, K. Koyama, T. Yoshida, & T. Terasawa
    35th COSPAR Scientific Assembly 2004
    (July 18-25, 2004, Paris, France)

  • "Runaway Merger in a Dense Stellar Cluster as a Progenitor of Gamma-ray Burst"
    T. Ebisuzaki, J. Makino, R. Yamazaki, H. Baumgardt, T. Matsubayashi, & K. Makishima
    Topical Session at the AAS 204th meeting;
    "X-ray Binary and ULX Populations in Nearby Galaxies"
    (June 2, 2004, Denver, USA) [ADS]

  • "Near-Infrared Colors of GRB Afterglows and Cosmic Reionization History"
    A.K. Inoue, R. Yamazaki, & T. Nakamura,
    2003 GRB Conference (September 8-12, 2003, Santa Fe, USA)

  • "The X-ray study of fine shock structures in the non-thermal SNRs"
    A. Bamba, R. Yamazaki, M. Ueno, H. Nakajima, & K. Koyama,
    28th International Cosmic Ray conference
    (July 31-August 7, 2003, Tsukuba, Japan)

  • "Fine Structure of the Thermal and Non-Thermal X-Rays in the SN 1006 Shell"
    A. Bamba, R. Yamazaki, M. Ueno & K. Koyama,
    High Energy Studies of Supernova Remnants and Neutron Stars
    (October 10-19, 2002, Houston, USA)

  • "Fine Structure of the Thermal and Non-Thermal X-Rays in the SN 1006 Shell"
    A. Bamba, R. Yamazaki, M. Ueno & K. Koyama,
    The Universe Viewed in Gamma-rays
    (September 25-28, 2002, Kashiwa, Japan)

  • "Thick Domain Walls Interacting with a Black Hole"
    Y. Morisawa, R. Yamazaki, D. Ida, A. Ishibashi & K. Nakao,
    The 9th Workshop on General Relativity and Gravitation
    (November 3-6, 1999, Hiroshima University, Japan)

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