Research Area
With an aim to improving patient’s QOL, Hitachi will continue to pursue the potential of medical equipment.
Proton Therapy System
https://www.hitachi.com/rd/sc/story/pbt/index.html
Healthcare
https://www.hitachi.com/rd/research/healthcare/index.html
Conference Presentations
2023
| AAPM | A Motion Model Approach for Real-Time Markerless Tumor Tracking | Ling Fung Cheung, Shinichirou Fujitaka, Takaaki Fujii, Naoki Miyamoto*1 and Seishin Takao*1 |
| PTCOG-AO | Towards online adaptive proton therapy: Research topics in Hokkaido University | Koichi Miyazaki |
| FRPT | IN-SILICO APPLICABILITY EVALUATION OF NEWLY DEVELOPED VARIABLE-ENERGY ACCELERATOR WITH A FIXED MAGNETIC FIELD FOR ULTRA-HIGH DOSE RATE IRRADIATION OF PROTON BEAMS | Takuto Miyoshi, Takamichi Aoki, Futaro Ebina, Takuya Nomura, Koji Matsuda and Masumi Umezawa |
- *1
- Hokkaido University
2022
| CAARI & SNEAP | Beam Delivery Tuning and Capability Estimation of Hitachi Synchrotron-based Particle Beam Treatment Systems for Ultra-high Dose Rate Radiotherapy | Takuto Miyoshi, T. Nomura, K. Matsuda, H. Ogino*1, H. Iwata*1, T. Toshito*1, C. Omachi*1, M. Yagi*2, S. Shimizu*2, N. Hamatani*3, T. Tsubouchi*3, M. Takashina*3, K. Ogawa*2, T. Kanai*3, M. Umezawa |
| FRPT | BEAM-DELIVERY TUNING OF HITACHI’S SYNCHROTRON-BASED SCANNING-TREATMENT SYSTEMS FOR PROTON/CARBON-ION ULTRA-HIGH-DOSE RATE (FLASH) IRRADIATION | Takuto Miyoshi, T. Nomura, K. Matsuda, H. Ogino*1, H. Iwata*1, T. Toshito*1, C. Omachi*1, M. Yagi*2, S. Shimizu*2, N. Hamatani*3, T. Tsubouchi*3, M. Takashina*3, K. Ogawa*2, T. Kanai*3, M. Umezawa |
- *1
- Nagoya City University West Medical Center
- *2
- Osaka University Graduate School of Medicine
- *3
- Osaka Heavy Ion Therapy Center
2021
| AAPM | Histogram analysis method of water equivalent path length to evaluate dose variation due to anatomical change in spot-scanning proton beam therapy | Takaaki Fujii, Seishin Takao*1, Taeko Matsuura*1, Shusuke Hirayama, Naoki Miyamoto*1, Kikuo Umegaki*1, Shinichi Shimizu*1, Hiroki Shirato*1 |
| PTCOG | Development of scanning magnet with distributed winding coils for particle beam therapy | Takahiro Yamada, Kazuya Nagashima, Takuya Nomura, Seiji Soeda, Noriaki Hino |
| PTCOG | Hitachi Particle Therapy Solution and Synchrotron-based Ultra-High Dose irradiation (FLASH) capability | Hiromitsu Iwata*2, Masumi Umezawa |
| PTCOG-NA | Accurate beam model and dose calculation algorithm for carbon ion radiotherapy under magnetic field toward adaptive particle radiotherapy | Takuto Miyoshi, Taisuke Takayanagi, Shinichiro Fujitaka |
| Scientific Meeting of the Japan Society of Medical Physics | Feasibility study of MRI-guided proton therapy system | Yusuke Fujii, Hideaki Ueda*1, Taisuke Takayanagi, Kikuo Umegaki*1, Taeko Matsuura*1 |
| AAPM | Development of An Irradiation System for MRI-Guided Proton Therapy | Yusuke Fujii, Hideaki Ueda*1, Taisuke Takayanagi, Kikuo Umegaki*1, Taeko Matsuura*1 |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2020
| AAPM | Resonant ionoacoustic measurement under clinical dose: A study toward online range verification | Taisuke Takayanagi, Tomoki Uesaka*1, Yuta Nakamura*1, Mehmet Burcin Unlu*1, Yasutoshi Kuriyama*5, Yoshihiro Ishi*5, Tomonori Uesugi*5, Nobuki Kudo*1, Masanori Kobayashi*6, Kikuo Umegaki*1, Taeko Matsuura*1 |
| PTCOG | Measurement of resonant ionoacoustic waves in fixed-field alternating gradient accelerator for particle beam range verification | Taisuke Takayanagi, Tomoki Uesaka*1, Yuta Nakamura*1, Mehmet Burcin Unlu*1, Yasutoshi Kuriyama*5, Yoshihiro Ishi*5, Tomonori Uesugi*5, Nobuki Kudo*1, Masanori Kobayashi*6, Kikuo Umegaki*1, Taeko Matsuura*1 |
| AAPM | Development of energy layer optimization considering minimum MU constraint for single field optimization in spot-scanning proton therapy | Shusuke Hirayama, Shinichiro Fujitaka, Toru Umekawa, Rintaro Fujimoto, Yoshihiko Nagamine, Masahiro Hosaka, Toshiyuki Toshito*2, Kensuke Hayashi*2, Hiroyuki Ogino*2 |
| Particle Accelerator Society of Japan | ANALYSIS OF BEAM EXTRACTION IN MODULATED FREQUENCY VARIABLE ENERGY ACCELERATOR | Yuto Nakashima, Takamichi Aoki, Toshimitsu Hae, Takayoshi Seki, Kenji Miyata, Chishin Hori, Kento Nishida, Fumiaki Noda, Futaro Ebina, Kazuo Hiramoto |
| Particle Accelerator Society of Japan | DEVELOPMENT OF MAGNET DESIGN METHOD FOR COTANGENTIAL TRAJECTORY ACCELERATOR | Kento Nishida, Chishin Hori, Takamichi Aoki, Toshimitsu Hae |
| The 34th Annual Meeting of Japan High-Precision External Beam Radiotherapy Group | Update on Hitachi Particle Therapy System | Masumi Umezawa, Chihiro Nakashima, Rintaro Fujimoto |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2019
| PTCOG-NA | Evaluation of accumulated dose distribution utilizing log data on spot scanning proton therapy for liver tumors | T. Yamada, S. Takao*1, T. Matsuura, H. Koyano*1, H. Nihongi, Y. Fujii, S. Hirayama, K. Umegaki*1, N. Katoh, S. Shimizu*1, H. Shirato*1 |
| Scientific Meeting of the Japan Society of Medical Physics | Simulation studies of a proton range-verification method using ionoacoustic waves generated from spherical gold fiducials | Taisuke Takayanagi, Tomoki Uesaka*1, Kikuo Umegaki*1, Hiroki Shirato*1, Taeko Matsuura*1 |
| PTCOG | Development of a proton range-verification method using ionoacoustic waves generated from spherical metal markers | Taisuke Takayanagi, Tomoki Uesaka*1, Yuta Nakamura*1, Mehmet Burcin Unlu*1, Yasuto Kuriyama*5, Tomonori Uesugi*5, Yoshihiro Ishi*5, Kikuo Umegaki*1, Hiroki Shirato*1, Taeko Matsuura*1 |
| Scientific Meeting of the Japan Society of Medical Physics | Physical dose modelling and calculation results for carbon beam scanning in Osaka heavy ion therapy center | Yusuke Fujii, Shinichiro Fujitaka, Hideaki Nihongi, Satoshi Nakayama, Masaaki Takashina*3, Noriaki Hamatani*3, Toshiro Tsubouchi*3, Masashi Yagi*3, Tatsuaki Kanai*3 |
| Particle Accelerator Society of Japan | DEVELOPMENT AND IMPLEMENTATION OF COMPACT ACCELERATOR SYSTEMS DEDICATED FOR PROTON BEAM THERAPY | Futaro Ebina, Takamichi Aoki |
| Particle Accelerator Society of Japan | OPTICAL DESIGN OF A WEAK-FOCUSING ACCELERATOR WITH HILLS AND VALLEYS | Chishin Hori, Takamichi Aoki, Toshimitsu Hae, Takayoshi Seki |
| Particle Accelerator Society of Japan | Study on slow extraction system in cotangential trajectory accelerator | Takamitsu Hae, Takamichi Aoki, Chishin Hori, Yuto Nakashima, Fumiaki Noda, Takayoshi Seki, Kazuo Hiramoto |
| Int. Conf. on Cyclotrons and their Applications, Cyclotrons2019 | OPTICAL DESIGN OF AVF WEAK-FOCUSING ACCELERATOR | Chishin Hori, Takamichi Aoki, Takamitu Hae, Takayoshi Seki, Kazuo Hiramoto |
| Int. Conf. on Cyclotrons and their Applications, Cyclotrons2019 | Compact Cotangential Orbit Accelerator for Proton Therapy | Takamitsu Hae, Takamichi Aoki, Chishin Hori, Yuto Nakashima, Fumiaki Noda, Takayoshi Seki, Kazuo Hiramoto |
| Scientific Meeting of the Japan Society of Medical Physics | Development of a system to support intra-fractional clinical decision for real-time image-gated proton therapy – (1) Automatic actual-dose calculation system | Shusuke Hirayama, Taeko Matsuura*1, Keiji Kobashi*1, Hidenori Koyano*1, Takaaki Fujii, Seishin Takao*1, Naoki Miyamoto*1, Kikuo Umegaki*1, Hiroki Shirato*1, Shinichi Shimizu*1 |
| Particle Accelerator Society of Japan | SIMULATION OF SLOW EXTRACTION FROM COTANGENTIAL TRAJECTORY ACCELERATOR | Takamichi Aoki, Toshimitsu Hae, Takayoshi Seki, Yuto Nakashima, Chishin Hori |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2018
| PTCOG | Development of Time Saving Daily QA Measurement Tool for Spot scanning system | Takahiro Yamada, Taisuke Takayanagi, Seishin Takao*1, Taeko Matsuura*1, Shusuke Hirayama, Takaaki Fujii, Kikuo Umegaki*1 |
| Scientific Meeting of the Japan Society of Medical Physics | Lateral profile validation procedure utilizing simplified Monte Carlo calculation based on log data for patient specific QA of proton beam therapy | Takahiro Yamada, Taisuke Takayanagi, Rintaro Fujimoto, Seishin Takao*1, Keiji Kobashi*1, Shinichi Shimizu*1, Kikuo Umegaki*1, Hiroki Shirato*1 |
| Particle Accelerator Society of Japan | BEAM COMMISSIONING AT OSAKA HEAVY ION THERAPY CENTER | Fumiaki Noda, Futaro Ebina, Yuto Nakashima, Kento Miyahara, Takuya Nomura, Satoshi Tootake |
| Scientific Meeting of the Japan Society of Medical Physics | 4D CBCT technique with fiducial marker position to reconstruct a volumetric image just before the treatment proton beam delivery in Real time image Gated Proton Therapy | Takaaki Fujii, Seishin Takao*1, Shinichi Shimizu*1, Taeko Matsuura*1, Naoki Miyamoto*1, Shusuke Hirayama, Kikuo Umegaki*1, Hiroki Shirato*1 |
| Particle Accelerator Society of Japan | STUDY OF TRANSVERSE MOTION IN COTANGENTIAL TRAJECTORY ACCELERATOR | Takamichi Aoki, Toshimitsu Hae, Takayoshi Seki, Yuto Nakashima, Chishin Hori |
| IPAC | Betatron Frequencies in Cotangential Trajectory Accelerator for Proton Beam Therapy | Takamichi Aoki, Toshimitsu Hae, Chishin Hori, Takayoshi Seki, Futaro Ebina |
| IPAC | Development of 6d Particle Tracking Code for Particle Therapy System | Yuto Nakashima, Kenji Miyata |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2017
| Scientific Meeting of the Japan Society of Medical Physics | Development of Time Saving Daily QA Measurement Tool for Spot Scanning Proton Therapy System | Takahiro Yamada, Taisuke Takayanagi, Seishin Takao*1, Taeko Matsuura*1, Shusuke Hirayama, Takaaki Fujii, Kikuo Umegaki*1 |
| Scientific Meeting of the Japan Society of Medical Physics | Time saving lateral profile validation procedure utilizing simplified Monte Carlo calculation for patient specific QA of proton beam therapy | Takahiro Yamada, Taisuke Takayanagi, Taeko Matsuura*1, Seishin Takao*1, Takaaki Yoshimura*1, Shusuke Hirayama, Takaaki Fujii*1, Kikuo Umegaki*1 |
| Scientific Meeting of the Japan Society of Medical Physics | Development of optimization method for patch irradiation technique by proton spot scanning | Yusuke Fujii, Shinichiro Fujitaka, Masahiro Hosaka, Yoshihiko Nagamine, Kensuke Hayashi*2, Toshiyuki Toshito*2, Rintaro Fujimoto |
| Particle Accelerator Society of Japan | OPTICAL DESIGN OF A HIGH ENERGY BEAM TRANSPORT FOR COMPACT PROTON BEAM THERAPY SYSTEMS | Futaro Ebina, Takamichi Aoki, Yui Shinozawa |
| Particle Accelerator Society of Japan | VARIABLE-ENERGY ACCELERATOR WITH LARGE CURRENT FOR PROTON BEAM THERAPY | Chishin Hori, Takamichi Aoki, Takayoshi Seki |
| AAPM | An analytical approach for calculating the dose-averaged LET in spot-scanning proton therapy with an input derived from a Monte Carlo simulation | Shusuke Hirayama, Taeko Matsuura*1, Hideaki Ueda*1, Hidenori Koyano*1, Seishin Takao*1, Takaaki Fujii, Yusuke Fujii, Rintaro Fujimoto, Shinichi Shimizu*1, Kikuo Umegaki*1, Hiroki Shirato*1 |
| Particle Accelerator Society of Japan | STUDY OF GANTRY ANGLE DEPENDENCY OF BEAM SHAPE FOR PARTICLE BEAM THERAPY | Takamichi Aoki, Futaro Ebina, Takahiro Yamada, Takuya Nomura, Satoshi Tootake |
| Particle Accelerator Society of Japan | CONCEPT OF FREQUENCY MODULATED VARIABLE-ENERGY ACCELERATOR | Takamichi Aoki, Toshimitsu Hae, Chishin Hori, Takayoshi Seki, Yuto Nakashima |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2016
| Scientific Meeting of the Japan Society of Medical Physics | A novel shape ridge filter for particle beam therapy | Taisuke Takayanagi, Shinichiro Fujitaka, Rintaro Fujimoto, Chihiro Nakashima, Tomoki Murata, Chie Toramatsu*1, Taeko Matsuura*1, Kikuo Umegaki*1 |
| PTCOG | Development of ripple filters for particle beam therapy that are easier to manufacture | Taisuke Takayanagi, Shinichiro Fujitaka, Rintaro Fujimoto, Chihiro Nakashima, Tomoki Murata, Chie Toramatsu*1, Taeko Matsuura*1, Kikuo Umegaki*1 |
| AAPM | Acceleration of dose optimization process using dual-loop optimization technique for spot scanning proton therapy | Shusuke Hirayama, Rintaro Fujimoto |
| Particle Accelerator Society of Japan | THE ANALYSIS OF CARBON BEHAVIOR WITH PARTICLE TRACKING FOR DECIDING OPERATION PATTERN OF RADIO-FREQUENCY ACCELERATING CAVITY IN A CARBON SYNCHROTRON | Yuto Nakashima, Futaro Ebina |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2015
| AAPM | Development of an evaluation system to optimize synchrotron control during spot scanning proton therapy with multi-gated irradiations per operation cycle | Takahiro Yamada, Naoki Miyamoto*1, Taeko Matsuura*1, Seishin Takao*1, Yuka Matsuzaki, Yusuke Fujii, Hidenori Koyano*1, Hideaki Nihongi, Masumi Umezawa, Koji Matsuda, Kikuo Umegaki*1, Hiroki Shirato*1 |
| Scientific Meeting of the Japan Society of Medical Physics | Proton dose calculation using a simplified Monte Carlo algorithm considering the effect of large angle scattering | Taisuke Takayanagi, Shusuke Hirayama, Shinichiro Fujitaka, Masumi Umezawa |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
Contributions
2022
| Physical Review Accelerator and Beams | Concept of scanning magnet with distributed winding coils for particle beam therapy | Takahiro Yamada, Kazuya Nagashima, Takuya Nomura, Seiji Soeda and Noriaki Hino |
| Medical Physics | Deformed dose restoration to account for tumor deformation and position changes for adaptive proton therapy | Koichi Miyazaki, Yusuke Fujii, Takahiro Yamada, Takahiro Kanehira*1, Naoki Miyamoto*1, Taeko Matsuura*1, Koichi Yasuda*1, Yusuke Uchinami*1, Manami Otsuka*1, Hidefumi Aoyama*1, and Seishin Takao*1 |
- *1
- Hokkaido University
2021
| Journal of radiation research | Validation of dose distribution for liver tumors treated with real-time-image gated spot-scanning proton therapy by log data based dose reconstruction | Takahiro Yamada, Seishin Takao*1, Hidenori Koyano*1, Hideaki Nihongi, Yusuke Fujii, Shusuke Hirayama, Naoki Miyamoto*1, Taeko Matsuura*1, Kikuo Umegaki*1, Norio Katoh*1, Isao Yokota*1, Hiroki Shirato*1, Shinichi Shimizu*1 |
| Journal of Applied Clinical Medical Physics | Physical and biological beam modeling for carbon beam scanning at Osaka Heavy Ion Therapy Center | Shinichiro Fujitaka, Yusuke Fujii, Hideaki Nihongi, Satoshi Nakayama, Masaaki Takashina*3, Noriaki Hamatani*3, Toshiro Tsubouchi*3, Masashi Yagi*3, Kazumasa Minami*3, Kazuhiko Ogawa*3, Junetsu Mizoe*3, Tatsuaki Kanai*3 |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2020
| Scientific reports | On‑line range verifcation for proton beam therapy using spherical ionoacoustic waves with resonant frequency | Taisuke Takayanagi, Tomoki Uesaka*1, Yuta Nakamura*1, Mehmet Burcin Unlu*1, Yasutoshi Kuriyama*5, Tomonori Uesugi*5, Yoshihiro Ishi*5, Nobuki Kudo*1, Masanori Kobayashi*6, Kikuo Umegaki*1, Satoshi Tomioka*1, Taeko Matsuura*1 |
| Nuclear Inst. and Methods in Physics Research, A | Evaluation of dispersion functions derived from fluctuation of the bending magnetic field of a synchrotron | Futaro Ebina, Fumiaki Noda, Satoshi Totake, Takuya Nomura, Kento Miyahara, Noriyosu Hayashizaki |
| Journal of applied clinical medical physics | Difference in LET‐based biological doses between IMPT optimization techniques: Robust and PTV‐based optimizations | Shusuke Hirayama, Taeko Matsuura*1, Koichi Yasuda*1, Seishin Takao*1, Takaaki Fujii, Naoki Miyamoto*1, Kikuo Umegaki*1, Shinichi Shimizu*1 |
| Academic journal “Accelerator” Vol.17, No.2 published by Particle Accelerator Society of Japan | Development and Implementation of Compact Accelerator Systems Dedicated for Proton Beam Therapy | Takamichi Aoki, Futaro Ebina |
| Hitachi Review Technology & Innovation Foresights 2020 | Novel Variable-energy Accelerator for Particle Beam Therapy https://www.hitachi.com/rev/archive/2020/r2020_03/24/index.html#sec01 |
Takamichi Aoki, Toshimitsu Hae, Takayoshi Seki, Yuto Nakashima, Chishin Hori |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2019
| Scientific reports | A novel range-verifcation method using ionoacoustic wave generated from spherical gold markers for particle-beam therapy: a simulation study | Taisuke Takayanagi, Tomoki Uesaka*1, Masanori Kitaoka*1, Mehmet Burcin Unlu*1, Kikuo Umegaki*1, Hiroki Shirato*1, Lei Xing*1, Taeko Matsuura*1 |
| Nuclear Inst. and Methods in Physics Research, A | Variable-energy isochronous accelerator with cotangential orbits for proton beam therapy | Chishin Hori, Takamichi Aoki, Takayoshi Seki |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2018
| Medical Physics | An analytical dose‐averaged LET calculation algorithm considering the off‐axis LET enhancement by secondary protons for spot‐scanning proton therapy | Shusuke Hirayama, Taeko Matsuura*1, Hideaki Ueda*1, Yusuke Fujii, Takaaki Fujii*1, Seishin Takao*1, Naoki Miyamoto*1, Shinichi Shimizu*1, Rintaro Fujimoto, Kikuo Umegaki*1, Hiroki Shirato*1 |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2017
| Journal of applied clinical medical physics | A simplified Monte Carlo algorithm considering large-angle scattering for fast and accurate calculation of proton dose | Taisuke Takayanagi, Shusuke Hirayama, Shinichiro Fujitaka, Rintaro Fujimoto |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology
2016
| Physica Medica | Optimization and evaluation of multiple gating beam delivery in a synchrotron-based proton beam scanning system using a real-time imaging technique | Takahiro Yamada, Naoki Miyamoto*1, Taeko Matsuura*1, Seishin Takao*1, Yusuke Fujii, Yuka Matsuzaki, Hidenori Koyano*1, Masumi Umezawa, Hideaki Nihongi, Shinichi Shimizu*1, Hiroki Shirato*1, Kikuo Umegaki*1 |
| Medical Physics | Dual ring multilayer ionization chamber and theory-based correction technique for scanning proton therapy | Taisuke Takayanagi, Hideaki Nihongi, Hideaki Nishiuchi, Masahiro Tadokoro, Yuki Ito, Chihiro Nakashima, Shinichiro Fujitaka, Masumi Umezawa, Koji Matsuda, Takeji Sakae*4, Toshiyuki Terunuma*4 |
| Academic journal Vol. 136 No.5 published by The institute of electrical Engineers of Japan | Development of a Compact Synchrotron for Proton Beam Therapy | Futaro Ebina, Masumi Umezawa, Hideaki Nishiuchi, Takamichi Aoki, Kazuo Hiramoto, Koji Matsuda, Kikuo Umegaki*1, Michihiro Furusaka*1 |
| Medical Physics | Evaluation of the influence of double and triple Gaussian proton kernel models on accuracy of dose calculations for spot scanning technique | Shusuke Hirayama, Taisuke Takayanagi, Yusuke Fujii, Rintaro Fujimoto, Shinichiro Fujitaka, Masumi Umezawa, Yoshihiko Nagamine, Masahiro Hosaka, Keisuke Yasui*2, Chihiro Omachi*2, Toshiyuki Toshito*2 |
- *1
- Hokkaido University
- *2
- Nagoya City University West Medical Center
- *3
- Osaka Heavy Ion Therapy Center
- *4
- University of Tsukuba
- *5
- Kyoto University
- *6
- Chiba Institute of Technology