atomic processes

interstellar space

gamma-ray bursts

radiative transfer

supernovae

Cosmic Ray Physics and Astrophysics

宇宙線

Nuclear Physics

Elementary Particles Physics

Natural sciences, Astronomy, Astronomy

Natural sciences, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics, Elementary Particles Physics, Nuclear Physics, Cosmic Ray Physics and Astrophysics

1997
The University of Tokyo, Graduate School of Science, Department of Astronomy

1992
The University of Tokyo, Faculty of Science, Department of Geophysics

Nebular nitrogen line emission in stripped-envelope supernovae –a new progenitor mass diagnostic
Stan Barmentloo; Anders Jerkstrand; Koichi Iwamoto; Izumi Hachisu; Ken'ichi Nomoto; Jesper Sollerman; Stan Woosley
Monthly Notices of the Royal Astronomical Society, Sep. 2024, Refereed

Laboratory Astrophysics Experiments of Collisionless Shock by Supersonic Collision of Plasmoids
Tomohiko Asai; Daichi Kobayashi; Taishi Seki; Takamasa Kikuchi; Hiroshi Hasebe; Koichi Iwamoto; Shinichiro Onuki; Seiya Kishimoto; Tsutomu Takahashi
Journal of Research Institute of Science and Technology, College of Science and Technology,, Feb. 2024, Refereed, Not invited

Impact of New Gamow-Teller Strengths on Explosive Type Ia Supernova Nucleosynthesis
Mori; Kanji; Famiano; Michael; A.; Kajino; Toshitaka; Suzuki; Toshio; Hidaka; Jun; Honma; M.; Iwamoto; Koichi; Nomoto; Ken'ichi; Otsuka; Takaharu
The Astrophysical Journal, Dec. 2016, Refereed, Not invited

Gravitational-Wave Memory from the Relativistic Jet of Gamma-Ray Bursts
Shota Akiba; Megumi Nakada; Chiyo Yamaguchi; Koichi Iwamoto
Publications of the Astronomical Society of Japan,, Jun. 2013, Refereed, Not invited
Corresponding

Observational Characteristics and Asphericity of Overluminous Type Ia Supernovae
Keiichi Maeda; Koichi Iwamoto
Monthly Notices of the Royal Astronomical Society, Mar. 2009, Refereed, Not invited

Neutrino Emission from Type Ia Supernovae
Takashi Kunugise; Koichi Iwamoto
Publications of the Astronomical Society of Japan, Dec. 2007, Refereed, Not invited
Corresponding

SN1998bw and Hypernovae
in "Lecture Notes in Physics 598, Supernovae and Gamma-Ray Bursts", 2003, Not refereed, Invited
Lead

The Type Ic Hypernova SN 2002ap
The Astrophysical Journal Letters, 2002, Refereed, Not invited

Effects of relativistic expansion on late-time supernova 5 light curves
K Iwamoto
Publications of the Astronomical Society of Japan, 2002, Refereed, Not invited
Lead

Can differences in the nickel abundance in Chandrasekhar-mass models explain the relation be1 tween the brightness and decline rate of normal Type Ia supernovae?
PA Mazzali; K Nomoto; E Cappellaro; T Nakamura; H Umeda; K Iwamoto
The Astrophysical Journal, 2001, Refereed, Not invited

Light Curve and spectral models for the hypernova SN 2 1998bw associated with GRB980425
T Nakamura; PA Mazzali; K Nomoto; K Iwamoto
The Astrophysical Journal, 2001, Refereed, Not invited

Explosive nucleosynthesis in hypernovae
T Nakamura; H Umeda; K Iwamoto; K Nomoto; MA Hashimoto; WR Hix; FK Thielemann
The Astrophysical Journal, 2001, Refereed, Not invited

Radiation hydrodynamics of SN 1987A. I. Global analysis of the light curve for the first 4 months
S Blinnikov; P Lundqvist; O Bartunov; K Nomoto; K Iwamoto
ASTROPHYSICAL JOURNAL, Apr. 2000, Refereed, Not invited

The peculiar type Ic supernova 1997ef : another hypernova
K Iwamoto; T Nakamura; K Nomoto; PA Mazzali; IJ Danziger; P Garnavich; R Kirshner; S Jha; D Balam; J Thorstensen
The Astrophysical Journal, 2000, Refereed, Not invited
Lead

The role of electron captures in Chandrasekhar-mass models for type Ia supernovae
F Brachwitz; DJ Dean; WR Hix; K Iwamoto; K Langanke; G Martinez-Pinedo; K Nomoto; MR Strayer; FK Thielemann; H Umeda
The Astrophysical Journal, 2000, Refereed, Not invited

A Spectroscopic Analysis of the Energetic Type Ic Hypernova SN 1997ef
Paolo A. Mazzali; Koichi Iwamoto; Ken'ichi Nomoto
The Astrophysical Journal, 2000, Refereed, Not invited

Nucleosynthesis in Chandrasekhar mass models for type IA supernovae and constraints on progenitor systems and burning-front propagation
K Iwamoto; F Brachwitz; K Nomoto; N Kishimoto; H Umeda; WR Hix; FK Thielemann
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, Dec. 1999, Refereed, Not invited
Lead

On the radio-to-X-ray light curves of SN 1998bw and GRB980425
K Iwamoto
The Astrophysical Journal Letters, 1999, Refereed, Not invited
Lead

A Hypernova Model for the Supernova 1998bw Possibly Associated with GRB980415
T.Nakamura; P.A.Mazzali; K.Nomoto; K.Iwamoto; H.Umeda
Astronomische Nachrichten, 1999, Refereed, Not invited

A hypernova model for the peculiar type Ic supernova 1997ef
K Nomoto; K Iwamoto; PA Mazzali; T Nakamura
ASTRONOMISCHE NACHRICHTEN, 1999, Refereed, Not invited

A hypernova model for the supernova associated with the gamma-ray burst of 25 April 1998(共著)
K Iwamoto; PA Mazzali; K Nomoto; H Umeda; T Nakamura; F Patat; IJ Danziger; TR Young; T Suzuki; T Shigeyama; T Augusteijn; Doublier, V; JF Gonzalez; H Boehnhardt; J Brewer; OR Hainaut; C Lidman; B Leibundgut; E Cappellaro; M Turatto; TJ Galama; PN Vreeswijk; C Kouveliotou; J van Paradijs; E Pian; E Palazzi; F Frontera
Nature, 1998, Refereed, Not invited
Lead

An unusual supernova in the error box of the gamma-ray burst of 25 April 1998(共著)
TJ Galama; PM Vreeswijk; J van Paradijs; C Kouveliotou; T Augusteijn; H Bohnhardt; JP Brewer; Doublier, V; JF Gonzalez; B Leibundgut; C Lidman; OR Hainaut; F Patat; J Heise; J in't Zand; K Hurley; PJ Groot; RG Strom; PA Mazzali; K Iwamoto; K Nomoto; H Umeda; T Nakamura; TR Young; T Suzuki; T Shigeyama; T Koshut; M Kippen; C Robinson; P de Wildt; RAMJ Wijers; N Tanvir; J Greiner; E Pian; E Palazzi; F Frontera; N Masetti; L Nicastro; M Feroci; E Costa; L Piro; BA Peterson; C Tinney; B Boyle; R Cannon; R Stathakis; E Sadler; MC Begam; P Ianna
Nature, 1998, Refereed, Not invited

The peculiar type (]G0002[) supernova 1997D : a case for a very low ⁵⁶Ni mass
M Turatto; PA Mazzali; TR Young; K Nomoto; K Iwamoto; S Benetti; E Cappellaro; IJ Danziger; DF de Mello; MM Phillips; NB Suntzeff; A Clocchiatti; A Piemonte; B Leibundgut; R Covarrubias; J Maza; J Sollerman
Astrophysical Journal Letters, 1998, Refereed, Not invited

Type Ia Supernovae : their origin and possible applications in cosmology(共著)
K Nomoto; K Iwamoto; N Kishimoto
Science, 1997, Refereed, Not invited

Nucleosynthesis in Type Ia Supernovae
K Nomoto; K Iwamoto; N Nakasato; FK Thielemann; F Brachwitz; T Tsujimoto; Y Kubo; N Kishimoto
Nuclear Physics A, 1997, Not refereed, Not invited

Nucleosynthesis in SNe Ia as a function of the burning front propagation
FK Thielemann; F Brachwitz; K Nomoto; K Iwamoto
Nuclear Physics A, 1997, Not refereed, Not invited

Instabilities and mixing in SN 1993J(共著)
Kohichi Iwamoto; Tlmothy R. Young; Naohito Nakasato; Toshlkazu Shlgeyama; KeN'Ichi Nomoto; Izumi Hachisu; Hldeyuki Said
The Astrophysical Journal, 1996, Refereed, Not invited
Lead

The evolution and explosion of massive binary stars and type Ib-Ic-IIb-IIL supernovae
K NOMOTO; K IWAMOTO; T SUZUKI
Physics Report, 1995, Refereed, Not invited

Theoretical Light Curves for the Thpe Ic Supernova 1994(]G0001[)(共著)
K IWAMOTO; K NOMOTO; P HOFLICH; H YAMAOKA; T SHIGEYAMA
The Astrophysical Journal Letters, 1994, Refereed, Not invited
Lead

A carbon-oxygen star as progenitor of the Type Ic Supernova 1994(]G0001[)(共著)
K NOMOTO; H YAMAOKA; EPJ VANDENHEUVEL; K IWAMOTO; S KUMAGAI; T SHIGEYAMA; OR POLS
Nature, 1994, Refereed, Not invited

Type (]G0002[) Supernovae from 8-10 Mo asymptotic giant branch stars(共著)
M HASHIMOTO; K IWAMOTO; K NOMOTO
The Astrophysical Journal Letters, 1993, Refereed, Not invited

無限高階微分を含む場の理論のハミルトン形式の構築
春日優弥、岩本弘一
日本大学理工学部学術講演会, Nov. 2023, Not invited

Wheeler-DeWitt equation with quantum corrections and minisuperspace model
Koichi Iwamoto
日本物理学会第77回年次大会, Mar. 2022, 日本物理学会, Not invited

Steady Solutions of Relativistic Radiation Hydrodynamics
Koichi Iwamoto
日本物理学会2021年秋季大会, Sep. 2021, 日本物理学会, Not invited

相対論的な平行平板状輻射流体の定常解
岩本弘一
日本天文学会2017年秋季年会, Sep. 2017, 日本天文学会, Not invited

The Structure and Radition Spectrum of AGN Jets
岩本弘一、齋藤陽香
日本天文学会２０１５年秋季年会, Sep. 2015, Not invited

相対論的アウトフローの放射流体モデルIII
中田めぐみ、岩本弘一
日本天文学会２０１５年春季年会, Mar. 2015, 日本天文学会, Not invited

'Ia型超新星における原子核・原子物理過程, 理研研究会「原子核の構造と反応：２１世紀への課題と展望」'
理化学研究所核理論グループ, Apr. 2000, Not invited

'*Deflagration-to-detonation transition *DDT and Variation in SN Ia Brightness, Cosmology with Type Ia Supernovae'
シカゴ大学フェルミ研究所（アメリカ）, Oct. 1998, Not invited

'Supernovae and Gamma-ray Bursts, Workshop of Japan-Geramny, High-Energy Astrophysics'
日本学術振興会, Oct. 1998, Not invited

'Light Curre Modelling of the Type Ib/c Supernova 1997ef, Nuclear Astrophysics'
マックスプランク天体物理学研究所（ドイツ）, Mar. 1998, Not invited

'Instabilities of Nuclear Flames in Thermonuclear Supernovae, supernovae'
カリフォルニア大学サンタバーバラ校（UCSB）、理論物理学研究所（ITP) （アメリカ）, Aug. 1997, Not invited

'Ia型超新星の爆発メカニズム, 第7回理論天文学懇談会'
国立天文台, Dec. 1994, Not invited

物理数学I
日本大学理工学部

物理数学II
日本大学理工学部

量子力学I
日本大学理工学部

量子力学II
日本大学理工学部

物理数学演習
日本大学理工学部

統計物理学演習
日本大学理工学部

計算機演習
日本大学理工学部

アルゴリズムとプログラミングI
日本大学理工学部

Astronomical Society of Japan

Physical Society of Japan

Experimental research of collisionless shock in an extremely high-beta magnetized plasma
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Apr. 2020 - Mar. 2025
浅井 朋彦; 井 通暁; 長山 好夫; 高橋 俊樹; 岩本 弘一; 阿部 新助; 高橋 努

超新星によるニュートリノ放射
日本大学, 日本大学学術研究助成金・一般研究（個人）, 2004 - 2004

相対論的輻射流体コードの開発とそれを用いた相対論的ジェットの研究
日本学術振興会, 科学研究費助成事業, 2003 - 2004
岩本 弘一

日震学に基づく太陽モデルの構築と太陽ニュートリノ絶対強度の決定
日本学術振興会, 科学研究費助成事業, 2000 - 2003
柴橋 博資; 斎尾 英行; 高田 将郎; 野本 憲一; 関井 隆; 尾崎 洋二; 鈴木 知治; 岩本 弘一

Ia型超新星による宇宙パラメータの決定およびハイパーノバとガンマ線バースト
日本学術振興会, 科学研究費助成事業, 2000 - 2001
岩本 弘一

Ia型超新星の爆発メカニズムと放射スペクトルの研究
日本学術振興会, 科学研究費助成事業, 1998 - 1998
岩本 弘一