Life Science / Radiological sciences

Natural Science / Solid earth sciences

Energy Engineering / Nuclear engineering

Commissioning and Validation of CT Number to SPR Calibration in Carbon Ion Therapy Facility, INTERNATIONAL JOURNAL OF PARTICLE THERAPY, 11 100011, 2024.03

Miyasaka, Y; Kanai, T; Souda, H; Yamazawa, Y; Lee, SH; Chai, HB; Sato, H; Iwai, T

Single Author

A robust treatment planning approach for chest motion in postmastectomy chest wall intensity modulated radiation therapy, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 25(1) e14217, 2024.01

Miyasaka, Y; Ono, T; Chai, HB; Souda, H; Lee, SH; Ishizawa, M; Akamatsu, H; Sato, H; Iwai, T

Single Author

Error on the stopping power ratio of ERKODENT's mouthpiece for head and neck carbon ion radiotherapy treatment, JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS, 24(5) e13987, 2023.05

Lee, SH; Kanai, T; Souda, H; Miyasaka, Y; Chai, H; Ono, T; Yamazawa, Y; Suzuki, K; Sato, A; Katsumata, M; Iwai, T

Single Author

Error on the stopping power ratio of ERKODENT's mouthpiece for head and neck carbon ion radiotherapy treatment, Journal of Applied Clinical Medical Physics, ー , 2023

岩井 岳夫

Single Author

Development of a quantitative analysis method for assessing patient body surface deformation using an optical surface tracking system, RADIOLOGICAL PHYSICS AND TECHNOLOGY, 15(4) 367-378, 2022.12

Sato, K; Kanai, T; Lee, SH; Miyasaka, Y; Chai, HB; Souda, H; Iwai, T; Sato, R; Goto, N; Kawamura, T

Single Author

患者の体表面変形を評価するための体表面光学式トラッキングシステムを用いた定量解析法の開発(Development of a quantitative analysis method for assessing patient body surface deformation using an optical surface tracking system), Radiological Physics and Technology, 15(4) 367-378, 2022.12

Sato Kimihiko, Kanai Takayuki, Lee Sung Hyun, Miyasaka Yuya, Chai Hongbo, Souda Hikaru, Iwai Takeo, Sato Ryuji, Goto Naoki, Kawamura Tsukasa

Single Author

Design and Magnetic Field Measurement of the Superconducting Magnets for the Next-Generation Rotating Gantry, IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 32(6) , 2022.09

Takayama, S; Yazawa, T; Asano, M; Misawa, M; Nagamoto, Y; Amano, S; Orikasa, T; Hirata, Y; Kanai, T; Lee, S; Souda, H; Iwai, T

Single Author

山形大学医学部東日本重粒子センター建設の現状 (4), 日本加速器学会第19回年会プロシーディングス, ー , 2022

岩井 岳夫

Single Author

（放射線利用紹介）山形大学医学部東日本重粒子センター, 放射線化学, 114 , 2022

岩井 岳夫

Single Author

最新重粒子線治療施設の現況, エネルギーレビュー, 42 12-15, 2022

岩井 岳夫

Single Author

（放射線利用紹介）山形大学医学部東日本重粒子センター, 放射線化学, 114 , 2022

岩井 岳夫

Single Author

最新重粒子線治療施設の現況, エネルギーレビュー, 42 12-15, 2022

岩井 岳夫

Single Author

山形大学医学部東日本重粒子センター建設の現状 (4), 日本加速器学会第19回年会プロシーディングス, ー , 2022

岩井 岳夫

Single Author

Comparison of predictive performance for toxicity by accumulative dose of DVH parameter addition and DIR addition for cervical cancer patients, JOURNAL OF RADIATION RESEARCH, 62(1) 155-162, 2021.01

Miyasaka, Y; Kadoya, N; Umezawa, R; Takayama, Y; Ito, K; Yamamoto, T; Tanaka, S; Dobashi, S; Takeda, K; Nemoto, K; Iwai, T; Jingu, K

Single Author

子宮頸癌患者に対するDVHパラメータ加算およびDIR加算による合算線量から毒性予測能の比較(Comparison of predictive performance for toxicity by accumulative dose of DVH parameter addition and DIR addition for cervical cancer patients), Journal of Radiation Research, 62(1) 155-162, 2021.01

Miyasaka Yuya, Kadoya Noriyuki, Umezawa Rei, Takayama Yoshiki, Ito Kengo, Yamamoto Takaya, Tanaka Shohei, Dobashi Suguru, Takeda Ken, Nemoto Kenji, Iwai Takeo, Jingu Keiichi

Single Author

重粒子線治療用シンクロトロン多段エネルギースキャンの運用実績, Proceedings of the 18th Annual Meeting of Particle Accelerator Society of Japan, 18 603-606, 2021

岩井 岳夫

Single Author

Mercury Dust Monitor (MDM) Onboard the <i>Mio</i> Orbiter of the BepiColombo Mission, SPACE SCIENCE REVIEWS, 216(8) , 2020.12

Kobayashi, M; Shibata, H; Nogami, K; Fujii, M; Hasegawa, S; Hirabayashi, M; Hirai, T; Iwai, T; Kimura, H; Miyachi, T; Nakamura, M; Ohashi, H; Sasaki, S; Takechi, S; Yano, H; Krüger, H; Lohse, AK; Sram...

Single Author

Construction of East Japan Heavy Ion Center, Faculty of Medicine, Yamagata University, Journal of the Particle Accelerator Society of Japan, 17(3) 144-150, 2020.10

Souda Hikaru, Iwai Takeo, Kanai Takayuki, Miyasaka Yuya, Sato Hiraku, Nemoto Kenji, Ueno Yoshiyuki, Kayama Takamasa

Single Author

The impact of 4DCT-ventilation imaging-guided proton therapy on stereotactic body radiotherapy for lung cancer, RADIOLOGICAL PHYSICS AND TECHNOLOGY, 13(3) 230-237, 2020.09

Ieko, Y; Kadoya, N; Kanai, T; Nakajima, Y; Arai, K; Kato, T; Ito, K; Miyasaka, Y; Takeda, K; Iwai, T; Nemoto, K; Jingu, K

Single Author

肺癌に対する体幹部定位放射線治療において4DCT-肺換気画像誘導陽子線治療がもたらす効果(The impact of 4DCT-ventilation imaging-guided proton therapy on stereotactic body radiotherapy for lung cancer), Radiological Physics and Technology, 13(3) 230-237, 2020.09

Ieko Yoshiro, Kadoya Noriyuki, Kanai Takayuki, Nakajima Yujiro, Arai Kazuhiro, Kato Takahiro, Ito Kengo, Miyasaka Yuya, Takeda Ken, Iwai Takeo, Nemoto Kenji, Jingu Keiichi

Single Author

山形大学医学部東日本重粒子センター建設の現状(2), 第17回日本加速器学会年会プロシーディングス, 17th , 2020.09

想田光, 金井貴幸, 宮坂友侑也, 家子義朗, 岩井岳夫, 根本建二, 山下英俊, 嘉山孝正

Single Author

Quantitative analysis of intra-fractional variation in CT-based image guided brachytherapy for cervical cancer patients, PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS, 73 164-172, 2020.05

Miyasaka, Y; Kadoya, N; Ito, K; Umezawa, R; Kubozono, M; Yamamoto, T; Nakajima, Y; Saito, M; Takayama, Y; Nemoto, K; Iwai, T; Jingu, K

Single Author

Clinical Impact of Estimating Rectal Toxicity Using Deformable Image Registration for Cervical Cancer Patients, INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 105(1) E739, 2019.09

Miyasaka, Y; Kadoya, N; Umezawa, R; Takayama, Y; Ito, K; Yamamoto, T; Dobashi, S; Takeda, K; Nemoto, K; Iwai, T; Jingu, K

Single Author

Feasibility Study on an Application of Scintillation Fiber Imager to Realtime Range Monitoring System for Carbon Ion Therapy, Proceedings of the Second International Symposium on Radiation Detectors and Their Uses (ISRD2018), 2019.01

Takeo Iwai, Kouji Morimoto, Shunsuke Kurosawa, Fuyuki Tokanai, Toyoharu Umebayashi, Yu Ohashi, Toru Moriya, Satoshi Ishizawa, Masaki Murata

Single Author

Feasibility Study on an Application of Scintillation Fiber Imager to Realtime Range Monitoring System for Carbon Ion Therapy, JPS Conference Proceedings, 24 , 2019

1) T. Iwai, K. Morimoto, S. Kurosawa, F. Tokanai, T. Umebayashi, Y. Ohashi, T. Moriya, S. Ishizawa, and M. Murata

Multiple Authorship (Only Japanese)

3Dプリンタを用いたdeformable image registrationの患者個別精度検証手法の検討, 日本放射線技術学会東北部会雑誌, 28(28) 223-224, 2019

金井貴幸, 宮坂友侑也, 家子義朗, 鈴木幸司, 市川真由美, 佐藤啓, 岩井岳夫, 根本建二

Single Author

電子飛跡型コンプトンカメラを用いた粒子線治療リアルタイムモニタの開発の現状, Isotope News, 763 8-11, 2019

黒澤俊介, 谷森達, 高田淳史, 園田真也, 水本哲矢, 門叶冬樹, 沼倉隼人, 岩井岳夫

Single Author

Effects of helium production, displacement damage on mechanical properties and surface acoustic wave in austenitic stainless steels and martensitic steel, Nuclear Materials and Energy, 17 34-39, 2018.12

E. Wakai, S. Kitazawa, S. Takaya, N. Okubo, Y. Nagae, T. Iwai, T. Omata, H. Abe, K. Aoto

Single Author

EFFECT OF ROOM TEMPERATURE VARIATION ON MAGNETIC FIELD INDUCED BY A BENDING MAGNET OF SYNCHROTRON FOR ION THERAPY, Proceedings of the 14th Annual Meeting of Particle Accelerator Society of Japan, 2017

T. Iwai, J. Yokoyama, Y. Koseki and F. Tokanai

Multiple Authorship (Only Japanese)

The effect of crystallographic mismatch on the obstacle strength of second phase precipitate particles in dispersion strengthening: bcc Nb particles and nanometric Nb clusters embedded in hcp Zr, Acta Materialia, 102 323-332, 2016

Y. Matsukawa, H.L. Yang, K. Saito, Y. Murakami, T. Maruyama, T. Iwai, K. Murakami, Y. Shinohara, T. Kido, T. Toyama, Z. Zhao, Y.F. Li, S. Kano, Y. Satoh, Y. Nagai, H. Abe

Multiple Authorship (Including Foreigners)

Status Report of Carbon Ion Radiotherapy Facility at Yamagata University, Proceedings of 2nd International Symposium on Heavy-Ion Radiotherapy and Advanced Technology, 2016

Takeo Iwai, Kenji Nemoto, Hidetoshi Yamashita, Isao Kubota, Akira Goto and Takamasa Kayama

Multiple Authorship (Including Foreigners)

Interaction between solute atoms and radiation defects in Fe-Ni-Si and Fe-Mn-Si alloys under irradiation with proton ions at low-temperature, Journal of Nuclear Materials, 482 47-52, 2016

Kenta Murakami, Takeo Iwai, Hiroaki Abe and Naoto Sekimura

Multiple Authorship (Including Foreigners)

Improvement of the High Fluence Irradiation Facility at the University of Tokyo, Nuclear Instruments and Methods in Physics Research B, 381 67-71, 2016

Kenta Murakami, Takeo Iwai, Hiroaki Abe and Naoto Sekimura

Multiple Authorship (Including Foreigners)

Development of C6+ laser ion source and RFQ linac for carbon ion radiotherapy, Review of Scientific Instruments, 87(2) 02C109, 2016

T. Sako, A. Yamaguchi, K. Sato, A. Goto, T. Iwai, T. Nayuki, K. Nemoto, T. Kayama, T. Takeuchi

Multiple Authorship (Including Foreigners)

Heterogeneity of ion irradiation-induced hardening in A533B reactor pressure vessel model alloys, Journal of Nuclear Science and Technology, 53(7) 1061-1066, 2016

K. Murakami, N. Sekimura, T. Iwai, H. Abe

Multiple Authorship (Including Foreigners)

Role of nickel and manganese in recovery of resistivity in iron-based alloys after low-temperature proton irradiation, Philosophical Magazine, 95(15) 1680-1695, 2015.05

K. Murakami, T. Iwai, H. Abe, N. Sekimura, Y. Katano, T. Iwata, T. Onitsuka

Multiple Authorship (Including Foreigners)

Microparticle impact calibration of the Arrayed Large-Area Dust Detectors in INterplanetary space (ALADDIN) onboard the solar power sail demonstrator IKAROS, Planetary and Space Science, 100 87-97, 2014

Takayuki Hirai, Michael J.Cole, Masayuki Fujii, Sunao Hasegawa, Takeo Iwai, Masanori Kobayashi, RalfSrama, HajimeYano

Multiple Authorship (Including Foreigners)

In Situ Observation of Damage Evolution in Polycarbonate under Ion Irradiation with Positrons, JJAP Conf. Proc., 2 011103, 2014

Hidetsugu Tsuchida, Hironori Tsutsumi, Masafumi Akiyoshi, Takeo Iwai

Multiple Authorship (Including Foreigners)

Defect formation in iron by MeV ion beam investigated with a positron beam and electrical resistivity measurement, Nuclear Instruments and Methods in Physics Research B, 2013.09

T. Iwai , K. Murakami, T. Iwata, Y. Katano

Multiple Authorship (Including Foreigners)

A Positron Beam Doppler Broadening Analysis of Formation and Recovery of Defects Produced by Ion Irradiation in Fe-C-Cu Alloys, Radiation Effects and Defects in Solids, 168(4) 308-315, 2012.12

Takeo Iwai

Single Author

Position-Dependent Behavior of Piezoelectric Lead–Zirconate–Titanate Cosmic Dust Detector, Japanese Journal of Applied Physics, 51 098004, 2012.09

Maki Hattori, Masanori Kobayashi, Takashi Miyachi, Seiji Takechi, Osamu Okudaira, Takeo Iwai, and Seiji Sugita

Multiple Authorship (Including Foreigners)

In-situ positron beam Doppler broadening measurement of ion-irradiated metals―current status and potential, Nuclear Instruments and Methods in Physics Research B, 285 18-23, 2012.08

T. Iwai, H. Tsuchida

Multiple Authorship (Including Foreigners)

A future observational plan of dust particles around the Moon by LDM (Lunar Dust Monitor) onboard the orbiter of the next Japanese lunar mission, Earth Planets Space, 63 1113-1117, 2012.02

Masanori Kobayashi, Hideo Ohashi, Sho Sasaki, Hiromi Shibata, Takeo Iwai, Masayuki Fujii, Ken-ichi Nogami, Hiroshi Kimura, Maki H. Nakamura, Takayuki Hirai, Ralf Srama, and Eberhard Grün

Multiple Authorship (Including Foreigners)

Multimodal characteristics of a piezoelectric lead zirconate titanate element impacted with iron particles having velocities above 20 km/s, Advances in Space Research, 43 570-577, 2011.08

Takashi Miyachi, Masayuki Fujii, Nobuyuki Hasebe, Osamu Okudaira, Seiji Takechi, Toshiyuki Onishi, Shigeyuki Minami, Masanori Kobayashi, Takeo Iwai, Eberhard Grüne, Ralf Srama, Nagaya Okada

Multiple Authorship (Including Foreigners)

前立腺の高精度放射線治療における骨盤底筋群との位置変動関連性, 日本放射線腫瘍学会高精度放射線外部照射部会学術大会プログラム・抄録集, 36th , 2023

柴宏博, 宮坂友侑也, 金井貴幸, 金井貴幸, 想田光, イ ソンヒョン, 小野拓也, 山澤喜文, 谷地守, 岩井岳夫, 佐藤啓

粒子線治療装置運転・維持管理データベースPT-DOMの開発, 日本加速器学会年会(Web), 19th , 2022

想田光, 金井貴幸, LEE Sun Hyun, 宮坂友侑也, CHAI Hongbo, 岩井岳夫, 菅藤洋平, 盛道太郎, 佐藤亜都紗, 田口貴之, 大内章央, 勝間田匡, 佐藤啓, 佐藤慎哉, 上野義之, 根本建二

多発転移性脳腫瘍に対するsingle isocenter&multiple targetsの照射精度検証, 日本放射線技術学会東北支部雑誌(Web), (29) , 2020

家子義朗, 宮坂友侑也, 想田光, 岩井岳夫, 根本建二, 金井貴幸, 山川萌江美, 鈴木幸司, 市川真由美

オーステナイトステンレス鋼とフェライト鋼の照射損傷組織と強度特性に及ぼすDPAとHe生成量の効果, 日本原子力学会春の年会予稿集(CD-ROM), 2019 , 2019

若井栄一, 高屋茂, 永江勇二, 鈴土知明, 平出哲也, 松井義典, 野上修平, 長谷川晃, 阿部弘亨, 岩井岳夫, 岩井岳夫, 北澤真一, 大久保成彰, 高田文樹, 加藤佳明, 加藤章一, 山口正剛, 仲田祐仁, 吉武庸光, 土岐澤耕一, 青砥紀身