Updated on 2023/11/21

写真a

 
GUNJI Shuichi
 
Title
Professor

Research Areas

  • Natural Science / Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Graduating School

  • Tokyo Institute of Technology, Faculty of Science

    1987.03, Graduated

Graduate School

  • The University of Tokyo, Graduate School, Division of Natural Science

    Master's Course, 1989.03, Completed

  • The University of Tokyo, Graduate School, Division of Natural Science

    Doctor's Course, 1992.03, Completed

External Career

  • , Researcher, 1995.12 - 1997.03

 

Papers

  • Simultaneous space and phase resolved X-ray polarimetry of the Crab pulsar and nebula, Nature Astronomy, 2023.04

    Niccolò Bucciantini 1,2,3 , Riccardo Ferrazzoli 4, Matteo Bachetti 5, John Rankin4, Niccolò Di Lalla 6, Carmelo Sgrò 7, Nicola Omodei 6, Takao Kitaguchi8, Tsunefumi Mizuno 9, Shuichi Gun...

    Multiple Authorship (Including Foreigners)

  • Vela pulsar wind nebula X-rays are polarized to near the synchrotron limit, NATURE, 612(7941) 658-+, 2022.12

    Xie Fei, Di Marco Alessandro, La Monaca Fabio, Liu Kuan, Muleri Fabio, Bucciantini Niccolo, Romani Roger W., Costa Enrico, Rankin John, Soffitta Paolo, Bachetti Matteo, Di Lalla Niccolo, Fabiani Sergi...

    Multiple Authorship (Including Foreigners)

  • Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1, Science, 2022.11

    HENRIC KRAWCZYNSKI

    Multiple Authorship (Including Foreigners)

  • Development of GAmma-ray burst Polarimeter GAP2, 2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2020.04

    Y. Saito; S. Gunji; T. Mihara; D. Yonetoku; T. Sawano

    Multiple Authorship (Only Japanese)

  • Application of Silicon Photomultipliers to Compton-scattering-type Polarimeters for Gamma Ray Bursts, 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC), 2019.09

    Y. Saito; S. Gunji; T. Nakamori; T. Mihara; D. Yonetoku; T. Sawano; S. Kurosawa; S. Kodaira; J. Gaskin

    Multiple Authorship (Including Foreigners)

  • IXPE and XMM-Newton Observations of the Soft Gamma Repeater SGR 1806-20, ASTROPHYSICAL JOURNAL, 954(1) , 2023.09

    Turolla, R; Taverna, R; Israel, GL; Muleri, F; Zane, S; Bachetti, M; Heyl, J; Di Marco, A; Gau, E; Krawczynski, H; Ng, M; Possenti, A; Poutanen, J; Baldini, L; Matt, G; Negro, M; Agudo, I; Antonelli, ...

    Single Author

  • The geometry of the hot corona in MCG-05-23-16 constrained by X-ray polarimetry, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 525(3) 4735-4743, 2023.09

    Tagliacozzo, D; Marinucci, A; Ursini, F; Matt, G; Bianchi, S; Baldini, L; Barnouin, T; Rodriguez, NC; De Rosa, A; Di Gesu, L; Dovciak, M; Harper, D; Ingram, A; Karas, ; Kim, DE; Krawczynski, H; Madejs...

    Single Author

  • First Detection of X-Ray Polarization from the Accreting Neutron Star 4U 1820-303, ASTROPHYSICAL JOURNAL LETTERS, 953(2) , 2023.08

    Di Marco, A; La Monaca, F; Poutanen, J; Russell, TD; Anitra, A; Farinelli, R; Mastroserio, G; Muleri, F; Xie, F; Bachetti, M; Burderi, L; Carotenuto, F; Del Santo, M; Di Salvo, T; Dovciak, M; Gnarini,...

    Single Author

  • IXPE and Multiwavelength Observations of Blazar PG 1553+113 Reveal an Orphan Optical Polarization Swing, ASTROPHYSICAL JOURNAL LETTERS, 953(2) , 2023.08

    Middei, R; Perri, M; Puccetti, S; Liodakis, I; Di Gesu, L; Marscher, AP; Cavero, NR; Tavecchio, F; Donnarumma, I; Laurenti, M; Jorstad, SG; Agudo, I; Marshall, HL; Pacciani, L; Kim, DE; Aceituno, FJ; ...

    Single Author

  • Sensitivity of the Cherenkov Telescope Array to spectral signatures of hadronic PeVatrons with application to Galactic Supernova Remnants, Astroparticle Physics, 150 102850, 2023.08

    F. Acero, A. Acharyya, R. Adam, A. Aguasca-Cabot, I. Agudo, A. Aguirre-Santaella, J. Alfaro, R. Aloisio, N. Álvarez Crespo, R. Alves Batista, L. Amati, E. Amato, G. Ambrosi, E.O. Angüner, C. Aramo, C....

    Single Author

  • X-ray polarimetry and spectroscopy of the neutron star low-mass X-ray binary GX 9+9: An in-depth study with IXPE and <i>NuSTAR</i>, ASTRONOMY & ASTROPHYSICS, 676 , 2023.07

    Ursini, F; Farinelli, R; Gnarini, A; Poutanen, J; Bianchi, S; Capitanio, F; Di Marco, A; Fabiani, S; La Monaca, F; Malacaria, C; Matt, G; Mikusincová, R; Cocchi, M; Kaaret, P; Kajava, JJE; Pilia, M; Z...

    Single Author

  • Discovery of X-ray polarization angle rotation in the jet from blazar Mrk 421, NATURE ASTRONOMY, 2023.07

    Di Gesu, L; Marshall, HL; Ehlert, SR; Kim, DE; Donnarumma, I; Tavecchio, F; Liodakis, I; Kiehlmann, S; Agudo, I; Jorstad, SG; Muleri, F; Marscher, AP; Puccetti, S; Middei, R; Perri, M; Pacciani, L; Ne...

    Single Author

  • X-ray polarimetry of X-ray pulsar X Persei: another orthogonal rotator?, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 524(2) 2004-2014, 2023.07

    Mushtukov, AA; Tsygankov, SS; Poutanen, J; Doroshenko, V; Salganik, A; Costa, E; Di Marco, A; Heyl, J; La Monaca, F; Lutovinov, AA; Mereminsky, IA; Papitto, A; Semena, AN; Shtykovsky, AE; Suleimanov, ...

    Single Author

  • X-ray polarization evidence for a 200-year-old flare of Sgr A()., Nature, 619(7968) 41-45, 2023.07

    Marin F, Churazov E, Khabibullin I, Ferrazzoli R, Di Gesu L, Barnouin T, Di Marco A, Middei R, Vikhlinin A, Costa E, Soffitta P, Muleri F, Sunyaev R, Forman W, Kraft R, Bianchi S, Donnarumma I, Petruc...

    Single Author

  • A polarimetrically oriented X-ray stare at the accreting pulsar EXO 2030+375, ASTRONOMY & ASTROPHYSICS, 675 , 2023.06

    Malacaria, C; Heyl, J; Doroshenko, V; Tsygankov, SS; Poutanen, J; Forsblom, SV; Capitanio, F; Di Marco, A; Du, YJ; Ducci, L; La Monaca, F; Lutovinov, AA; Marshall, HL; Mereminskiy, IA; Molkov, SV; Mus...

    Single Author

  • X-ray pulsar GRO J1008-57 as an orthogonal rotator, ASTRONOMY & ASTROPHYSICS, 675 , 2023.06

    Tsygankov, SS; Doroshenko, V; Mushtukov, AA; Poutanen, J; Di Marco, A; Heyl, J; La Monaca, F; Forsblom, SV; Malacaria, C; Marshall, HL; Suleimanov, VF; Svoboda, J; Taverna, R; Ursini, F; Agudo, I; Ant...

    Single Author

  • Discovery of strongly variable X-ray polarization in the neutron star low-mass X-ray binary transient XTE J1701-462, ASTRONOMY & ASTROPHYSICS, 674 , 2023.06

    Cocthi, M; Gnarini, A; Fabiani, S; Ursini, F; Poutanen, J; Capitanio, F; Bobrikova, A; Farinelli, R; Paizis, A; Sidoli, L; Veledina, A; Bianchi, S; Di Marco, A; Ingram, A; Kajava, JJE; La Monaca, F; M...

    Single Author

  • Uncovering the geometry of the hot X-ray corona in the Seyfert galaxy NGC 4151 with IXPE, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 523(3) 4468-4476, 2023.06

    Gianolli, VE; Kim, DE; Bianchi, S; Agís-González, B; Madejski, G; Marin, F; Marinucci, A; Matt, G; Middei, R; Petrucci, PO; Soffitta, P; Tagliacozzo, D; Tombesi, F; Ursini, F; Barnouin, T; De Rosa, A;...

    Single Author

  • X-Ray Polarization of BL Lacertae in Outburst, ASTROPHYSICAL JOURNAL LETTERS, 948(2) , 2023.05

    Peirson Abel L., Negro Michela, Liodakis Ioannis, Middei Riccardo, Kim Dawoon E., Marscher Alan P., Marshall Herman L., Pacciani Luigi, Romani Roger W., Wu Kinwah, Di Marco Alessandro, Di Lalla Niccol...

    Multiple Authorship (Including Foreigners)

  • Accretion geometry of the neutron star low mass X-ray binary Cyg X-2 from X-ray polarization measurements, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 519(3) 3681-3690, 2023.01

    Farinelli, R; Fabiani, S; Poutanen, J; Ursini, F; Ferrigno, C; Bianchi, S; Cocchi, M; Capitanio, F; De Rosa, A; Gnarini, A; Kislat, F; Matt, G; Mikusincova, R; Muleri, F; Agudo, I; Antonelli, LA; Bach...

    Single Author

  • Irradiation tests of Silicon Photomultipliers for use in space, IEEE Transaction on Nuclear Science, 2022.10

    Y. Saito, S. Gunji, T. Nakamori et al.

    Multiple Authorship (Only Japanese)

  • X-Ray Polarization Detection of Cassiopeia A with IXPE, Astrophysical Journal, 938 , 2022.10

    J.Vink et. al.

    Multiple Authorship (Including Foreigners)

  • The Imaging X-Ray Polarimetry Explorer (IXPE): technical overview IV, Proc. SPIE, 11821 , 2021.08

    Brian Ramsey, Primo Attina, Luca Baldini, Mattia Barbanera, Wayne Baumgartner, Ronaldo Bellazzini, Jeff Bladt, Stephen Bongiorno, Alessandro Brez, Simone Castellano, Rita Carpentiero, Marco Castronuov...

    Multiple Authorship (Including Foreigners)

  • Performance studies towards a TOF-PET sensor using Compton scattering at plastic scintillators, JOURNAL OF INSTRUMENTATION, 13 C01008, 2018.01

    M.Kuramoto, T. Nakamori, S. Gunji, and et al.

    Multiple Authorship (Including Foreigners)

  • CTA Report 139: General Report, Meeting Abstracts of the Physical Society of Japan, 73(0) 188, 2018

    Kubo Hidetoshi, Inoue Tsuyoshi, Fukami Satoshi, Fukui Yasuo, Fujita Yutaka, Fujihara Chikako, He Haoning, Majumdar Pratik, Mazin Daniel, Masuda Shu, Matsumoto Hironori, Miura Chika, Inoue Yoshiyuki, M...

    Single Author

  • Development of TOF-PET using Compton scattering by plastic scintillators, NIM A, 845 668-672, 2017

    倉本 南、郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • Evaluation of a Bread Board Model Gamma-ray Burst Polarimeter toward installation on the International Space Station, Nuclear Science Symposium, 2016.11

    Y.Oikawa, S. Gunji, and et al.

    Multiple Authorship (Including Foreigners)

  • Development of TOF-PET using Compton scattering by plastic scintillators, NIM A, 2016

    M. Kuramoto, *T. Nakamori, S. Kimura, S. Gunji et al.

    Multiple Authorship (Including Foreigners)

  • High energy muon induced radioactive nuclides in nickel plate and its use for 2-D muon-beam image profile, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH, 799 54-58, 2015.11

    Kurebayashi, Y.; Sakurai, H.; Takahashi, Y.; Gunji, S et al.

    Multiple Authorship (Including Foreigners)

  • Estimating the radiative activation characteristics of a Gd3Al2Ga3O12:Ce scintillator in low earth orbit, JOURNAL OF INSTRUMENTATION, 2014.10

    Sakano, M.; Nakamori, T.; Gunji, S.; et al.

    Multiple Authorship (Including Foreigners)

  • Estimating the radiative activation characteristics of a Gd3Al2Ga3O12:Ce scintillator in low earth orbit, JOURNAL OF INSTRU- MENTATION, 9 , 2014

    坂野 光成、郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • The Development of Gamma-ray Burst Polarimeter for a Small Satellite, SPIE Proceedings, 9144 , 2014

    郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • Introducing the CTA concept, Astroparticle Physics, 43 , 2013.03

    CTA consortium

    Multiple Authorship (Including Foreigners)

  • Introducing the CTA concept, ASTROPARTICLE PHYSICS, 43 3-18, 2013

    B. Acharya, 郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • Strict Limit on CPT Violation from Polarization of gamma-Ray Bursts, Physical Review Letters, 109(24) 241104, 2012

    Toma, Kenji; Mukohyama, Shinji; Yonetoku, Daisuke;, Murakami Toshio, Gunji Shuichi, et. al

    Multiple Authorship (Including Foreigners)

  • MAGNETIC STRUCTURES IN GAMMA-RAY BURST JETS PROBED BY GAMMA-RAY POLARIZATION, Astrophysica Journal, 758(1) L1, 2012

    Yonetoku, Daisuke; Murakami, Toshio; Gunji, Shuichi; et al.

    Multiple Authorship (Including Foreigners)

  • Searches for very high energy gamma rays from blazars with CANGAROO-III telescope in 2005-2009, Astroparticle Physics, 35(9) 563-572, 2012

    Mizumura, Y., Kushida, J, Nishijima, K, Cangaroo Team

    Multiple Authorship (Including Foreigners)

  • Strict Limit on CPT Violation from Polarization of gamma-Ray Bursts, PHYSICAL REVIEW LET- TERS, 109 , 2012

    當真 賢二、郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • MAGNETIC STRUCTURES IN GAMMA-RAY BURST JETS PROBED BY GAMMA- RAY POLARIZATION, ApJL, 758 , 2012

    米徳 大輔、郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy, Experimental Astrophysics, 32(3) 193-316, 2011.11

    M. Actis and CTA Consortium

    Multiple Authorship (Including Foreigners)

  • Basic Performance of a Polarimeter for Gamma-Ray Bursts Using Segmented Scintillators, IEEE Trans. Nucl. Sci., 58 426-433, 2011.03

    S. Gunji et. al

    Multiple Authorship (Including Foreigners)

  • DETECTION OF GAMMA-RAY POLARIZATION IN PROMPT EMISSION OF GRB 100826A, Astrophysical Journal, 743(2) L30, 2011

    Yonetoku, Daisuke; Murakami, Toshio; Gunji, Shuichi; et al. IKAROS Demonstration Team

    Multiple Authorship (Including Foreigners)

  • Gamma-Ray Burst Polarimeter (GAP) aboard the Small Solar Power Sail Demonstrator IKAROS, PASJ, 63(3) 625-638, 2011

    Yonetoku, Daisuke; Murakami, Toshio; Gunji, Shuichi; et al. IKAROS Demonstration Team

    Multiple Authorship (Including Foreigners)

  • Basic Performance of a Polarimeter for Gamma-Ray Bursts Using Segmented Scintillators, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 58 , 2011

    郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • DETECTION OF GAMMA-RAY POLARIZATION IN PROMPT EMISSION OF GRB 100826A, ApJL, 743 , 2011

    米徳 大輔、郡司 修一 他

    Multiple Authorship (Including Foreigners)

  • Gamma-Ray Burst Polarimeter (GAP) aboard the Small Solar Power Sail Demonstrator IKAROS, PASJ, 63 , 2011

    郡司 修一

    Multiple Authorship (Including Foreigners)

  • Observation of Crab Nebula with hard X-ray polarimeter:PHENEX, Proceedings of SPIE, 6686(18) 1-9, 2007.08

    S. Gunji and etal

    Multiple Authorship (Including Foreigners)

  • Basic Performance of PHENEX: A Polarimeter for High ENErgy X rays, IEEE Trans. on Nucl. Sci., 54(3) 561-566, 2007.06

    Y. Kishimoto, S. Gunji

    Multiple Authorship (Including Foreigners)

  • Performance of Prototype Hard X-ray Polarimeter Utilizing Compton Scattering, JJAP, 45(1) 274-278, 2006.02

    T. Suzuki, S. Gunji

    Multiple Authorship (Including Foreigners)

  • ”Determination of dE/dx for Heavy Nuclides with the Imaging Plate” , IEEE Trans. Nucl. Sci. Vol.47 No.3 , 2000.01

    郡司 修一

    Multiple Authorship (Including Foreigners)

  • ”The Form of X--ray Photoelectron Tracks in a Capillary Gas Proportional Counter” , IEEE Trans. Nucl. Sci. Vol.46 No.3 , 1999.01

    郡司 修一,H. Sakurai, S. Saito, T. Masuda, S. Gunji, M. Noma, G. Kanase, and Y. Suzuki

    Multiple Authorship (Including Foreigners)

  • ”Development of an Imaging Plate as a Heavy-Nuclide Detector” , IEEE Trans. Nucl. Sci. Vol.46 No.6, 1999.01

    郡司 修一,G. Kanase, H. Sakurai, M. Noma, S. Gunji, N. Yasuda, and T. Kobayashi

    Multiple Authorship (Including Foreigners)

  • ”Development of a High Energy X--ray Polarimeter for Small Satellites” , IEEE Trans. Nucl. Sci. Vol.44 No.3 , 1997.01

    郡司 修一,S. Gunji, R. A. Austin, R. F. Elsner, B. D. Ramsey, and M. C. Weisskopf

    Multiple Authorship (Including Foreigners)

  • ”Improvement of the Modulation Factor for a Compton Scattering Type Polarimeter Using Subdivided Scintillators” , IEEE Conf. Rec., 1997.01

    郡司 修一,S. Gunji, E. Kudo, and H. Sakurai

    Multiple Authorship (Including Foreigners)

  • ”Waveform Analysis of Pulses from Microstrip Gas Proportional Counter for Development of an X--ray Polarimeter” , IEEE Conf. Rec., 1997.01

    郡司 修一,Y. Takamura, S. Gunji, H. Sakurai, M. Noma, H. Sugeno and P.Geltenbort

    Multiple Authorship (Including Foreigners)

  • Development of a High Energy X-ray Polarimeter for Small Satellite, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 44 , 1997

    郡司 修一 他

    Multiple Authorship (Including Foreigners)

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Books

  • X-ray Polarimetry, Cambridge University Press, 2010

    R. Bellazzini, E. Costa, G. Matt, and G. Tagliaferri

Grant-in-Aid for Scientific Research

  • Grant-in-Aid for Scientific Research(A),2019.04 - 2024.03

  • Grant-in-Aid for New academic field research(Research areas proposal),2018.04 - 2020.03

  • Grant-in-Aid for Scientific Research(A),2018.04 - 2019.03

  • Grant-in-Aid for Scientific Research(A),2015.04 -

  • Grant-in-Aid for Scientific Research(B),2012.04 - 2015.03

  • Grant-in-Aid for challenging Exploratory Research,2012.04 - 2014.03

  • Grant-in-Aid for Scientific Research(C),2009.04 - 2012.03

  • Grant-in-Aid for Scientific Research on Priority Areas,2009.04 - 2011.03

  • Grant-in-Aid for Scientific Research on Priority Areas,2005.04 - 2007.03

  • Grant-in-Aid for Scientific Research(C),2003.04 - 2005.03

  • Grant-in-Aid for Young Scientists(B),2001.04 - 2003.03

  • Grant-in-Aid for Encouragement of Scientists,2000.04 - 2002.03

  • Grant-in-Aid for Scientific Research on Priority Areas,1995.04 - 1996.03

  • Grant-in-Aid for Scientific Research on Priority Areas,1995.04 - 1996.03

  • Grant-in-Aid for Scientific Research(C),1995.04 - 1996.03

  • Grant-in-Aid for Encouragement of Scientists,1994.04 - 1995.03

  • Grant-in-Aid for Scientific Research on Priority Areas,1993.04 - 1995.03

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Available Technology

 

Media Coverage

  • IXPE衛星の意義と山形大学の活動内容の紹介,2021.03

Academic Activities

  • 日本学術振興会 学術システム研究センター研究員,2022.04 -