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Nuclear physics with RI Beam Factory

Frontiers of physics 2018年第6期13卷 145-159页

作者： hiroyoshi sakurai Department of Physics University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan RIKEN Nishina Center for Accelerator-Based Science 2-1 Hirosawa Wako Saitama 351-0198 Japan

Research activities of nuclear physics at Radioactive Isotope Beam Factory over 10 years are reviewed and future directions are also discussed. Conceptual ideas in designing the facility as well as experimental device... 详细信息

关键词： radioactive isotope beams heavy-ion accelerator facility in-flight production experimental devices and techniques storage rings r-process path nuclear waste problems

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Inelastic Scattering of ^(32)Mg at 190 MeV/Nucleon from a Thick Proton Target

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Chinese Physics Letters 2012年第10期29卷 28-30页

作者： LI Kuo-Ang YE Yan-Lin Heiko SCHEIT Pieter DOORNENBAL Satoshi TAKEUCHI Nori AOI Masafumi MATSUSHITA Eri TAKESHITA Tohru MOTOBAYASHI hiroyoshi sakurai PANG Dan-Yang School of Physics and State Key Laboratory of Nuclear Physics and Technology Peking UniversityBeijing 100871 RIKEN Nishina Center WakoSaitama351-0198Japan School of Physics and Nuclear Energy Engineering Beihang UniversityBeijing 100191

The first excited 2^(+)state(885 keV)of ^(32)Mg and its corresponding deformation parameterβ_(2) are studied with proton inelastic scattering at 190 MeV/nucleon using in-beamγtechnology with a thick *** distributions of the inelastic scattering cross sections are analyzed with coupled-channel *** deformation parameterβ_(2)=0.41(3)obtained in this work agrees with the earlier experimental results obtained at lower beam *** work demonstrates that the structure of unstable nuclei can be studied with proton inelastic scattering at high incident energies in the vicinity of 200 MeV/nucleon using thick targets.

关键词： beam excited incident

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2 - 1 A Proposal to Study N =Z Nuclei below 100Sn by Knockout Reactions of RI Beams

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IMP & HIRFL Annual Report 2013年第1期 33-36页

作者： Liu Zhong Ding Bing Pieter Doornenbal hiroyoshi sakurai A. Obertelli Huang Tianheng Zhang Yuhu Zhou Xiaohong Xu Hushan

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Preliminary Result of Hyperfractionated High-Dose Proton Beam Radiotherapy for Pediatric Skull Base Chordomas

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Journal of Cancer Therapy 2017年第4期8卷 327-332页

作者： Masashi Mizumoto hiroyoshi Akutsu Tetsuya Yamamoto Takashi Fukushima Yoshiko Oshiro Daichi Takizawa Keiichi Tanaka Masaaki Goto Toshiyuki Okumura Akira Matsumura Koji Tsuboi Hideyuki sakurai Departments of Radiation Oncology University of Tsukuba Tsukuba Japan Departments of Neurosurgery University of Tsukuba Tsukuba Japan Departments of Child Health University of Tsukuba Tsukuba Japan

Objective: Proton beam therapy (PBT) may provide good local control for skull base chordoma and reduced toxicities, especially for pediatric patients. Methods: We evaluated the efficacy and safety of hyperfractionated high-dose PBT in6 pediatric patients with newly-diagnosed skull basechordoma who were treated with PBT at our institute from 2011 to 2015. The patients were 5 males and one female, and the median age was 9 years old (range: 5 - 13). All patients received surgery before PBT. The median period between surgery and PBT was 57 days (range: 34 - 129 days). The treatment dose was 78.4 GyE in 56 fractions (twice per day). Results: All patients received PBT without severe acute toxicity. The median follow-up period was 27 months (range: 21 - 71 months). At the last follow-up, all patients were alive and all tumors were well controlled. Acute and late toxicities were generally acceptable, with only grade 1 and 2 events. Late toxicities included growth hormone abnormality and cortical hormone abnormality. One patient needed growth hormone and cortical hormone replacement therapy. Conclusion: Although the number of pediatric patients was small, our overall findings in the 6 cases indicate that hyperfractionated high-dose PBT is safe and effective for pediatric patients with skull base chordoma.

关键词： Chordoma Radiotherapy Proton Beam Therapy Proton Radiotherapy Pediatrics

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