MASAO KURIKI

Last Updated :2021/04/06

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
Web Site
E-mail
mkurikihiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Doctor of Science, TOHOKU UNIVERSITY
  • Master of Science, TOHOKU UNIVERSITY

Research Fields

  • Interdisciplinary science and engineering;Quantum beam science;Quantum beam science

Research Keywords

  • Accelerator Physics, Photo-cathode, Electron source, Positron Source, Linear Collider, Beam Dynamics, Free Electron Laser

Affiliated Academic Societies

  • The Physical Society of Japan
  • Particle Accelerator Society of Japan

Educational Activity

Course in Charge

  1. 2021, Undergraduate Education, First Semester, Electromagnetism I
  2. 2021, Undergraduate Education, First Semester, Exercises of Physics
  3. 2021, Undergraduate Education, 4Term, Advanced Physics
  4. 2021, Undergraduate Education, First Semester, Special Study for Graduation A
  5. 2021, Undergraduate Education, Second Semester, Special Study for Graduation B
  6. 2021, Graduate Education (Master's Program) , First Semester, Seminar on Basic Sciences of Matter A
  7. 2021, Graduate Education (Master's Program) , Second Semester, Seminar on Basic Sciences of Matter B
  8. 2021, Graduate Education (Master's Program) , Academic Year, Academic Presentation in Basic Sciences of Matter
  9. 2021, Graduate Education (Master's Program) , 1Term, Exercises in Basic Sciences of Matter A
  10. 2021, Graduate Education (Master's Program) , 2Term, Exercises in Basic Sciences of Matter A
  11. 2021, Graduate Education (Master's Program) , 3Term, Exercises in Basic Sciences of Matter B
  12. 2021, Graduate Education (Master's Program) , 4Term, Exercises in Basic Sciences of Matter B
  13. 2021, Graduate Education (Master's Program) , 4Term, Accelerator Physics
  14. 2021, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter
  15. 2021, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter

Research Activities

Academic Papers

  1. Dark-lifetime degradation of GaAs photo-cathode at higher temperature, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 637, S87-S90, 20110501
  2. DEVELOPMENT OF A 500-KV PHOTO-CATHODE DC GUN FOR ERL LIGHT SOURCES, Proc. Of Linac 2010, THP111, 20100901
  3. Development of a 500-kV Photo-Cathode DC Gun for ERLs, Journal of Physics: Conference Series, 298, 012005, 20100901
  4. DEVELOPMENT OF A PHOTOCATHODE RF GUN FOR THE L-BAND LINAC AT ISIR, OSAKA UNIVERSITY, Proc. Of IPAC2010, TUPE009, 20100501
  5. DEVELOPMENT OF AN L-BAND RF GUN FOR HIGH-DUTY-CYCLE OPERATION, Proc. Of Linac 2010, THP121, 20100901
  6. Photon generation by laser-Compton scattering at the KEK-ATF, Nucl. Inst. & Meth. A, 623(1), 576, 20101101
  7. Laser Driver for a photocathode of an electron linear accelerator, Quantum Electronics, 40(12), 1123, 20101101
  8. Improvement of an S-band RF gun with a Cs2Te photocathode for the KEK-ATF, Nucl. Inst. & Meth. A, 613, 1, 20100201
  9. High-Voltage Test of a 500-kV Photo-Cathode DC Gun for the ERL Light Sources in Japan, Proc. Of IPAC2010, TUPE093, 20100501
  10. Development of a high average power laser generating electron beams in ILC format for KEK-STF, Proc. Of IPAC2010, THPEC024, 20100501
  11. DEVELOPMENT OF A PHOTOCATHODE TEST BENCH USING A CRYO-PUMP AND A NEG PUMP, Proc. Of IPAC2010, TUPE087, 20100501
  12. High-voltage testing of a 500-kV dc photocathode electron gun, REVIEW OF SCIENTIFIC INSTRUMENTS, 81(3), 20100301
  13. DEVELOPMENT OF A PHOTOCATHODE TEST BENCH USING A CRYO-PUMP AND A NEG PUMP, Proc. 1st International Particle Accelerator Conf., 2326-2328, 20100601
  14. Application of coupling resonance to electron-beam conditioning for free electron lasers, J. Phys. Soc. Jpn., 78, 124503 (11 pages), 20091201
  15. 500kV Gun development at KEK, 48th ICFA Advanced Beam Dynamics Workshop on Future Light Sources March 1-5 2010, 20100301
  16. A study of Lifetime of GaAs Photocathode for High Brightness Electron Source, Proc. Of 23rd Particle Accelerator Conference(PAC09) Vancouver Canada, MO6RFP069, 20090501
  17. Darklifetime degradation of GaAs cathode, WS on Ultrafast electron and photon beams Xian China, 20090901
  18. DESIGN AND FABRICATION OF A 500-KV PHOTOCATHODE DC GUNFOR ERL LIGHT SOURCES, Proc. Of 23rd Particle Accelerator Conference(PAC09) Vancouver Canada, MO6RFP074, 20090501
  19. Development of an electron gun for an ERL based light source in Japan, Workshop on Polarized Source Target and Polarimetry (PST09)Ferrara Italy, none, 20090901
  20. ERL parameters for Compton polarised positron sources, Proc. Of 23rd Particle Accelerator Conference(PAC09) Vancouver Canada, MO6RFP068, 20090501
  21. High-voltage test of 500-kV DC photo-cathode electron gun, Review of Science Instruments, 81(33304), 20100301
  22. Improvement of an S-band RF gun with a Cs2Te photocathode for the KEK-ATF, Nucl. Instr. and Meth. A, 613, 1-8, 20091101
  23. JAEA/KEK gun status, 48th ICFA Advanced Beam Dynamics Workshop on Future Light Sources March 1-5 2010, 20100301
  24. Polarized Sources for CLIC, 20090901
  25. THE CLIC POSITRON SOURCE BASED ON COMPTON SCHEMES, Proc. Of 23rd Particle Accelerator Conference(PAC09) Vancouver Canada, none(none), WE6RFP065, 20090501
  26. A tandem linear Paul trap as an ion source, Journal of Physics:Conference Series, 163(1), 012102-1-4, 20090101
  27. Status of the Energy Recovery Linac project in Japan, Proc. Of 23rd Particle Accelerator Conference(PAC09) Vancouver Canada, WE6RFP065, 20090501
  28. Analysis of Quantum Efficiency Spectrum of NEA-GaAs Photo-cathode, Proc. Of International Conference of Particle Accelerator(IPAC2011), THPC117, 20110901
  29. Recent Development of Low-emittance Electron Gun for Accelerator, J. Vac. Soc. Jpn., 55(2), 29-36, 20110901
  30. RF Processing of L-band RF Gun for KEK-STF, Proc. Of International Conference of Particle Accelerator(IPAC2011), MOPC014, 20110901
  31. Status of 500kV DC Gun at JAEA, ERL2011, 20111001
  32. Surface analysis of a Degraded NEA-GaAs Photo-cathode by Temperature Programmed Desorption Technique, Proc. Of International Conference of Particle Accelerator(IPAC2011), THPC116, 20110901
  33. Photon generation by laser-Compton scattering at the KEK-ATF, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 623(1), 576-578, 20101101
  34. Photon Generation by Laser-Compton Scattering Using an Optical Resonant Cavity at the KEK-ATF Electron Ring, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(7), 200907
  35. Application of Coupling Resonance to Electron-Beam Conditioning for Free-Electron Lasers, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(12), 200912
  36. Improvement of an S-band RF gun with a Cs2Te photocathode for the KEK-ATF, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 613(1), 1-8, 20100121
  37. High-voltage testing of a 500-kV dc photocathode electron gun, REVIEW OF SCIENTIFIC INSTRUMENTS, 81(3), 201003
  38. Laser driver for a photocathode of an electron linear accelerator, QUANTUM ELECTRONICS, 40(12), 1123-1130, 2010
  39. 1 ms Pulse Beam Generation and Acceleration by Photocathode Radio Frequency Gun and Superconducting Accelerator, JAPANESE JOURNAL OF APPLIED PHYSICS, 52(5), 201305
  40. Generation of a 500-keV electron beam from a high voltage photoemission gun, APPLIED PHYSICS LETTERS, 102(23), 20130610
  41. X-ray generation by inverse Compton scattering at the superconducting RF test facility, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 772, 26-33, 20150201
  42. Experimental investigation of an optimum configuration for a high-voltage photoemission gun for operation at ≥500 kV, Phys. Rev. ST Accel. Beams, 20140319
  43. Experimental investigation of an optimum configuration for a high-voltage photoemission gun for operation at >= 500 kV, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 17(5), 20140519
  44. Positron capture simulation for the ILC electron-driven positron source, PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 201510
  45. ★, Substrate dependence of CsK2Sb photo-cathode performance, Progress Theoretical and Experimental Physics, 3(033G01), 20170331
  46. Electron Driven ILC Positron Source with a Low Gradient Capture Linac, Proc. of Linac Conference 2016, TUPRC008, 20160925
  47. UPS Study for CsK2Sb Photocathode, Proc. of Linac 2016, TUPRC022, 20160925
  48. Lifetime Study of CKk2Sb Robust Photo-Cathode for a High Brightness Electron Source, Proc. of Linac 2016, TUPLR013, 20160925
  49. A Study of CsK2Sb Multi-alkali Photocathode by Ultraviolet Photoelectron Spectroscopy at UVSOR, Proc. of International Particle Accelerator Conference (IPAC'16), 3934-3937, 201606
  50. A Study of Operational Lifetime of CsK2Sb Photo-cathode, Proc. 7th International Particle Accelerator Conference (IPAC'16), 3938-3940, 201606
  51. pp. 1754-1756, ISBN: 978-3-95450-147-2, doi:10.18429/JACoW-IPAC2016-TUPOW006, http://jacow.org/ipac2016/papers/tupow006.pdf, 2016. %\cite{Kuriki:IPAC2016-TUPOW006} \bibitem{Kuriki:IPAC2016-TUPOW006}, Proc. 7th International Particle Accelerator Conference (IPAC'16), 1754-1756
  52. NEA surface activation of GaAs photocathode with different gases, SURFACE SCIENCE, 664, 65-69, 201710
  53. Construction and commissioning of the compact energy-recovery linac at KEK, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 877, 197-219, 20180101
  54. ★, Substrate Dependence of CsK2Sb photo-cathode performance, Progress of Theoretical and Experimental Physics, 2017(3), 033G01-033G01, 20170301
  55. Emittance Partitioning by Phase-space Rotation and Its Applications, Journal of the Particle Accelerator Society of Japan, 15(3), 108-116, 20181031
  56. ILC Summer Camp 2018, Foundation for High Energy Accelerator Science, 17, 4-8, 201811
  57. ★, Negative Electron affinity GaAs Cathode Activation with CsKTe Thin Film, Journal of Physics: Conference Series, 1350(012047), 20191211
  58. A design of an electron driven positron source for the international linear collider, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 953, 20200211

Invited Lecture, Oral Presentation, Poster Presentation

  1. Super flat beam generation for linear colliders with 6D emittance exchange, M. Kuriki, S. Kashiwagi^A^, N. Yamamoto^B^, X. Jing^B^, Y. Seimiya^B^, Y. Yamamoto^B^, H. Hayano^B^, K. Sakaue^C^, M. Washio^D^ Hiroshima U., Tohoku U.^A^, KEK Accel.^B^, U. of Tokyo^C^, Waseda U.^D^, Annual meeting of Japanese Physics Society, 2020/03/18, Without Invitation, Japanese, Japanese Physics Society, Nagoya, preprint
  2. Flat electron beam generation with emittance exchange for Linear Colliders, M. Kuriki, High Brightness and RF Electron Gun Workshop, 2019/07/02, Without Invitation, Japanese, ADSM, HU, Higashihirosima, Hiroshima, Japan
  3. Accelerator R&D towards Physics beyond the Standard Model, Masao KURIKI, Annual meeting of Japanese Physical Society, 2019/03/16, Without Invitation, Japanese, Japanese Physical Society
  4. A Study for NEA Activation with Cs-K-Te Thin- lm for GaAs Spin Polarized Photo-cathode, M. Kuriki, M. Kuriki, K. Masaki, and L. Guo, Annual meeting of Japanese Physical Society, 2019/03/14, Without Invitation, Japanese
  5. Photo-cathode studies at Hiroshima University, Masao KURIKI, Seminar at ANL, 2019/03/06, Without Invitation, English, Argonne National Laboratory, Argonne, Illinois, USA
  6. Photo-cathode studies at Hiroshima University, Masao KURIKI, Seminar at Argonne National Laboratory, 2019/03/06, With Invitation, English, Argonne National Laboratory, Argonne, Illinois, USA
  7. General Relativity Test with Laser Compton Scattering, KURIKI MASAO, Asian Forum for Accelerator and Detector (AFAD2019), 2019/02/14, With Invitation, English, Inter University Accelerator Center, New Delhi, India, An confirmation of strong equivalence principle of general relativity with the laser Compton scattering of high energy electron with laser photon., published
  8. ILC Accelerator, Masao KURIKI, ILC series seminar, 2018/12/07, Without Invitation, Japanese, Institute of Molecular Chemistry, Okazaki, Aichi, japan
  9. Super-Flat Beam Generation with Emittance Exchange Technique for Linear Colliders, M. Kuriki, Beam Physics Workshop, 2018/11/20, Without Invitation, Japanese, Beam Physics Club, Chiba, Chiba, Japan
  10. A Design Study of the Electron-driven ILC Positron Source, H. Nagoshi, M. Kuriki, H. Nagoshi, T. Takahashi, T. Omori, K. Yokoya, M. Satoh, J. Urakawa, International Workshop on Future Linear Colliders 2018 (LCWS2018 ), 2018/10/22, Without Invitation, English
  11. ILC Accelerator Overview, Masao KURIKI, ILC series seminar, 2018/10/10, Without Invitation, Japanese, Saga synchrotron light source, Tosu, Saga, Japan
  12. HIGH ASPECT RATIO BEAM GENERATION WITH THE PHASE-SPACE ROTATION TECHNIQUE FOR LINEAR COLLIDERS, Masao Kuriki∗,Hiroshima University, Higashihiroshima, Japan, John Power, Argonne National Laboratory, Argonne, Illinois Hitoshi Hayano, Xiuguang Jin, Taro Konomi, Yuji Seimiya, Naoto Yamamoto, KEK, Tsukuba, Japan Philippe Piot,Northern Illinois University, Dekalib, Illinois Shigeru Kashiwagi, Tohoku University, Sendai, Japan Kazuyuki Sakaue, Masakazu Washio, Waseda University, Tokyo, Japan, Linear Accelerator Conference 2018 (LINAC2018), 2018/09/16, With Invitation, English, LINAC2018 Organization Committee, Beijing, China
  13. THE EFFECT OF ENERGY FLUCTUATION ON THE MULTI-BUNCH ACCELERATION IN E-DRIVEN ILC POSITRON SOURCE, Masao Kuriki, Hisayasu Nagoshi, Tohru Tahakashi,Hiroshima University, Higashihiroshima, Japan Kentaro Negishi,Iwate University, Morioka, Japan Toshiyuki Okugi, Tsunehiko Omor, Masashi Satoh, Yuji Seimiya, Junji Urakawa, Kaoru Yokoya, KEK, Tsukuba, Japan Yoske Sumitomo, Nihon University, Funabashi, Japan Shigeru Kashiwagi, Tohoku University, Sendai, Japan, Masao Kuriki, Hisayasu Nagoshi, Tohru Tahakashi,Hiroshima University, Higashihiroshima, Japan Kentaro Negishi,Iwate University, Morioka, Japan Toshiyuki Okugi, Tsunehiko Omor, Masashi Satoh, Yuji Seimiya, Junji Urakawa, Kaoru Yokoya, KEK, Tsukuba, Japan Yoske Sumitomo, Nihon University, Funabashi, Japan Shigeru Kashiwagi, Tohoku University, Sendai, Japan, Linear Accelerator Conference (LINAC 2018), 2018/09/16, With Invitation, English, LINAC2018 Organization Committee, Beijing, China
  14. A status report of ILC E-Driven Positron Source, Masao KURIKI, Posipol2018, 2018/09/03, Without Invitation, English, CERN, CERN, Geneva, Swiss
  15. A STUDY OF NEA ACTIVATION OF GaAs WITH CsKTe, K. Masaki, K. Masaki, M. Kuriki, Annual meeting of Particle Accelerator Society of japan, 2018/08/07, Without Invitation, Japanese, Particle Accelerator Society of Japan, Nagaoka, Niigata, japan
  16. Correction for transient beam loading on positron generation in the electron-driven ILC positron source, H. Nagoshi, Hisayasu Nagoshi, Masao Kuriki, Tohru Takahashi (AdSM, Hiroshima University), Tsunehiko Omori, Junji Urakawa, Masanori Satoh, Yuji Seimiya (KEK), Yoske Sumitomo (Nihon University), Shigeru Kashiwagi (ELPH, Tohoku University), Kentaro Negishi (Iwate University), Annual meeting of Particle Accelerator Society of Japan, 2018/08/07, Without Invitation, Japanese, Particle Accelerator Society of japan, Nagaoka, Niigata, Japan
  17. High Luminosity Flat Beam Generation With Phase-space Rotation for Linear Colliders, Masao KURIKI, Masaso Kuriki (AdSM, Hiroshima University), Hitoshi Hayano, Naoto Yamamoto, Yuji Seimiya, Xiuguang Jin, Taro Konomi (Accelerator lab., KEK), Shigeru Kashiwagi (ELPH, Tohoku University), Kazuyuki Sakaue, Masakazu Washio (RISE, Waseda University), Philippe Piot (Dept. of Physics, Northern Illinois University), John Power (Physics div., ANL), Annual Meeting of Particle Accelerator Society of Japan, 2018/08/07, Without Invitation, Japanese
  18. CFS and Target Maintenance for ILC Positron Source, M. Kuriki, M. Kuriki, T. Omori, and Peter Sievers, ALCW2018 (Asina Linear Collider Workshop 2018), 2018/05/30, Without Invitation, English, LCC Linear Collider Collaboration, ICFA, Fukuoka, Fukuoka, Japan
  19. A status report of ILC E-Driven Positron Source, M. Kuriki, M. Kuriki, H. Nagoshi, T. Takahashi, T. Omori, K. Yokoya, J. Urakawa, M. Satoh, Asian Linear Collider Workshop (ALCW2018), 2018/05/30, Without Invitation, English, Linear Collider Collaboration, ICFA, Fukuoka, Fukuoka, Japan
  20. Energy Spread Compensation in Arbitrary Format Multi-Bunch Acceleration With Standing Wave and Traveling Wave Accelerators, M. Kuriki, International Particle Accelerator Conference (IPAC2018), 2018/04/29, Without Invitation, English, International Particle Accelerator Conference, Vancouber, BC, Canada
  21. A Design Study of the Electron-driven ILC Positron Source Including Beam Loading Effect, H. Nagoshi, H. Nagoshi, M. Kuriki HU/AdSM, Higashi-Hiroshima, Japan S. Kashiwagi Tohoku University, Research Center for Electron Photon Science, Sendai, Japan K. Negishi Iwate University, Morioka, Iwate, Japan T. Omori, M. Satoh, Y. Seimiya, J. Urakawa KEK, Ibaraki, Japan Y. Sumitomo LEBRA, Funabashi, Japan T. Takahashi Hiroshima University, Graduate School of Science, Higashi-Hiroshima, Japan, International Accelerator Conference (IPAC 2018), 2018/04/29, Without Invitation, English, IPAC Organization Committee
  22. NEA Surface Activation of GaAs Photocathode with CO2, L.Guo, H. Iijima Tokyo University of Science, Tokyo, Japan M. Kuriki HU/AdSM, Higashi-Hiroshima, Japan K. Uchida Cosylab Japan, Ibaraki, Japan, International Particle Accelerator Conference (IPAC2018), 2018/04/29, Without Invitation, English, IPAC Organization Committee, Vancouver, BC, Canada
  23. Direct generation of a high aspect ratio electron beam for linear colliders, Masao KURIKI, Shigeru Kashiwagi, Hitoshi Hayano, Yuji Seimiya, Naoto Yamamoto, Kazuyuki Sakaue, Masakazu Washio, 73rd annual meeting of Japan Physics Society, 2018/03/25, Without Invitation, Japanese, Japan Physics Society, Tokyo university of science, Noda, Chiba, Japan, published
  24. Social significance of mega science project, Masao Kuriki, 73th annual meeting of Japan Physics Society, 2018/03/23, With Invitation, Japanese, Japan Physics Society, Tokyo university for scicence, Noda, Chiba, Japan, published
  25. Photo-cathode studies at Hiroshima University, Masao KURIKI, Seminar at LANL, 2018/03/04, With Invitation, English, Los Alamos National Laboratory, Los Alamos, New Mexico, USA
  26. Emittance Exchange Program at KEK-STF, Masao KURIKI, AFAD2018, 2018/01/29, With Invitation, English, AFAD, Daejeon, Korea
  27. EXPERIMENTAL EVIDENCE OF THE HIGH ROBUSTNESS OF CSK2SB MULTI-ALKALI CATHODE, Masao Kuriki, Lei Guo, Masahiro Urano, Atsuki Yokota, AdSM, Hiroshima University, Higashihiroshima, Japan Kentaro Negishi, Iwate University, Morioka, Japan Yuji Seimiya, Accelerator Lab., KEK, Tsukuba,Japan, Masao Kuriki, Lei Guo, Masahiro Urano, Atsuki Yokota, AdSM, Hiroshima University, Higashihiroshima, Japan Kentaro Negishi, Iwate University, Morioka, Japan Yuji Seimiya, Accelerator Lab., KEK, Tsukuba,Japan, Annual Meeting of Particle Accelerator Society of Japan, 2017/08/01, Without Invitation, English, Particle Accelerator Society of Japan, Sapporo, Hokkaido, CsK2Sb is a multi-alkali cathode which can be driven by a green laser generated as SHG of a solid state laser. The quantum efficiency is as high as 10%. In this article, we demonstrated that the cathode has an enough robustness to generate a high brightness electron beam. We found that 1/e lifetime of the cathode was inversely proportional to the vacuum pressure. The normalized temporal life was (4:72 0:08) 105 Pa:hour for 532 nm laser. The life- time regarding to the extracted charge density was also in- versely proportional to the vacuum pressure. The normal- ized charge life was (1:19 0:03 0:04) 104Pa:C=mm2.
  28. Treatment of Beam Loading Effects in a Standing Wave Accelerator, Masao Kuriki , Hisayasu Nagoshi, Tohru Takahashi, AdSM, Hiroshima U., Higashihiroshima, Japan Kentaro Negishi, Iwate University, Morioka, Japan Yuji Seimiya, Kaoru Yokoya, Masanori Satoh, Accelerator Lab., KEK, Tsukuba,Japan Junji Urakawa, RA office, KEK, Tsukuba, Japan Tsunehiko Omori, IPNS, KEK, Tsukuba, Japan, Masao Kuriki , Hisayasu Nagoshi, Tohru Takahashi, AdSM, Hiroshima U., Higashihiroshima, Japan Kentaro Negishi, Iwate University, Morioka, Japan Yuji Seimiya, Kaoru Yokoya, Masanori Satoh, Accelerator Lab., KEK, Tsukuba,Japan Junji Urakawa, RA office, KEK, Tsukuba, Japan Tsunehiko Omori, IPNS, KEK, Tsukuba, Japan, Annual Meeting of Particle Accelerator Society of Japan, 2017/08/01, Without Invitation, English, Particle Accelerator Society of Japan, Sapporo, Hokkaido, ILC (International Linear Collider) is e+ e- linear collider in the next high energy program promoted by ICFA. In ILC, an intense positron pulse in a multi-bunch format is generated by impinging electron beam on a target. The generated positron is captured by a standing wave accelerator in a solenoid focusing. By employing the accelerator with a large aperture, an enough amount of positron can be captured, even with a limited accelerator gradient. However, the heavy beam loading up to 2 A perturbs the field gradient and profile along the longitudinal position. We present the theoretical treatment of the beam loading effect in the standing wave acceleration based on a multi-cell model. Based on the model, we have obtained the expected gradient which is lower than the single cell model. The compensation of the transient beam loading effect is not pefect, but enough for practical use.
  29. Overall Design of the E-driven ILC Positron Source, Masao KURIKI, R&D Meeting for E-driven ILC Positron Source, 2017/07/25, With Invitation, English, ILC R&D Group, Tsukuba, Ibaraki
  30. Positron Source, Masao KURIKI, Masao KURIKI, ILC Summer Camp 2017, 2017/07/23, With Invitation, English, ILC Summer Camp Organizing Committee, Norikura highland, Matsumoto, Nagano, Japan
  31. A Study of a high-performance and high-robust CsK2Sb multi-alkali Cathode, Masao KURIKI, 広大ADSM, AKEK 加速器, B 分子研UVSOR, C 岩手大 理工 栗木雅夫、横田温貴、郭磊、浦野正洋、A 清宮裕二、A 許斐太郎、B 加藤正博、C 根岸健太郎, Annual meeting of Japan Physics Society, 2017/03/17, Without Invitation, Japanese, Japan Physics Society, Toyonaka, Osaka, Japan, Present an experimental study of CsK2Sb cathode, published
  32. http://afad2017.csp.escience.cn/dct/page/1, Masao KURIKI, G. Lei, A. Yokota, M. Urano (Hiroshima U.) Y. Seimiya, T. Konomi(KEK) K. Negishi (Iwate U.) M. Katoh (UVSOR), Workshop for High-brightness and Radio Frequency Electron Gun, 2017/02/23, Without Invitation, Japanese, Research Center for Electron and Photon Science, Tohoku University, Sendai, Miyagi, Japan, Present an experimental result for the robustness of CsK2Sb cathode.
  33. Dielectric Wake Acceleration, Masao KURIKI, Asian Forum for Accelerators and Detectors, 2017/01/06, With Invitation, English, Institute of Modern Physics, CAS, China, Lanzhou, Gansu, China, Discuss about a proposal for an experimental demonstration of the dielectric Wake acceleration., published
  34. A Study for Robustness of CsK2Sb Cathode, Masao KURIKI, Masao KURIKI , G. Lei, A. Yokota, M. Urano(Hiroshima U.) Y. Seimiya, T. Konomi(KEK) K. Negishi (Iwate U.) M. Katoh (UVSOR), Asian Forum for Accelerators and Deterctors, 2017/01/14, With Invitation, English, Institute of Modern Physics, Lanzhou, China, Lanzhou, Gansu, People's Republic of China, 2017/1/16-18, published
  35. Development of High Robustness and High Performance CsK2Sb multi-alkali cathode, Masao KURIKI, L. Guo, A. Yokota, M. Urano, M. Katoh, Y. Seimiya, T. Konomi, Beam Physics Workshop, 2016/11/24, Without Invitation, Japanese, Beam Physics Society, SPring8, Hyogo, Japan, Present an experimental Study of the high -performance cathode.
  36. Electron Driven ILC Positron Source with a Low Gradient Capture Linac, Masao Kuriki (HU/AdSM, Higashi-Hiroshima), Masao Kuriki (HU/AdSM, Higashi-Hiroshima), Takaomi Kakita, Tohru Takahashi (Hiroshima University, Higashi-Hiroshima), Kentaro Negishi (Iwate University, Morioka, Iwate), Toshiyuki Okugi, Tsunehiko Omori, Masanori Satoh, Yuji Seimiya, Junji Urakawa, Kaoru Yokoya (KEK, Ibaraki), Linear Accelerator Conference (LINAC 2016), East Lansing, MI, USA, 25-30, September, 2016, 2016/09/26, With Invitation, English, International Organizing Committee of LINAC conference, Michigan State University, East Lansing, Michigan, USA, ILC (International Linear Collider) is e+ e- linear collider in the next high energy program promoted by ICFA. In ILC, an intense positron pulse in a multi-bunch format is generated with gamma ray from Undulator radiation. As a technical backup, the electron driven positron source has been studied. By employing a standing wave L-band accelerator for the capture linac, an enough amount of positron can be captured due to the large aperture, even with a limited accelerator gradient. However, the heavy beam loading up to 2 A perturbs the field gradient and profile along the longitudinal position. We present the capture performance of the ILC positron source including the heavy beam loading effect., preprint
  37. UPS Study for CsK2Sb Photocathode, Masao Kuriki - High Energy Accelerator Research Organization, Masao Kuriki, Taro Konomi, Yuji Seimiya (KEK, Ibaraki), Lei Guo, Masahiro Urano, Atsuki Yokota (HU/AdSM, Higashi-Hiroshima), Kentaro Negishi (Iwate University, Morioka, Iwate), Linear Accelerator Conference (LINAC2016), 2016/09/26, With Invitation, English, International Organizing Committee of Linear Accelerator Conference, Michigan State University, East Lansing, Michigan, USA, CsK2Sb photo-cathode is one of the ideal cathode for accelerators requiring the high brightness electron beam. It can be driven with a green laser which can be generated as SHG from solid state laser. The QE (Quantum Efficiency) of photo-electron emission is as high as more than 10% with 532nm light. The material is robust and the typical operational lifetime is more than several months. It is also vital against the high intensity beam extraction. The photo-cathode is generated as a thin film in-situ and the material property and optimized condition for the cathode formation is not understood well. In this article, we present UPS analysis of CsK2Sb cathode for deeper understanding., preprint
  38. Lifetime Study of Csk2Sb Robust Photo-Cathode for a High Brightness Electron Source, Masao Kuriki, Masao Kuriki, Yuji Seimiya (KEK, Ibaraki), Lei Guo, Katsuhiro Moriya, Masahiro Urano, Atsuki Yokota (HU/AdSM, Higashi-Hiroshima), Kentaro Negishi (Iwate University, Morioka, Iwate), Linear Accelerator Conference (LINAC2016), 2016/09/26, With Invitation, English, International Organizing Committee of LINAC Conference, Michigan State University, East Lansing, Michigan, USA, preprint
  39. A start to end simulation of electron driven positron source for ILC, Masao KURIKI (Hiroshima University), PosiPol2016, LAL-Orsay, Paris, France, 14-16 Septermber 2016, 2016/09/15, With Invitation, English, International Organizing Committee of PosiPol2016, LAL-Orsay, Paris, France, published
  40. FEL Enhancement by Microbunch Structure Made with Phase Space Rotation, M.Kuriki, Y. Seimiya, J. Urakawa, K. Ohmi, S. Chen, T. Kato, S. Kashiwagi, AFAD2015(Asian Forum for Accelerator and Detector, 2015/01/26, Without Invitation, Hsinchu, Taiwan
  41. A Design Study of ILC Positron Source by Electron Driven Scheme, M. Kuriki, Y. Seimiya, T. Takahashi (Hiroshima U.) T. Okugi, M. Sato, J. Urakawa, T. Omori (KEK) S. Kashiwagi (Tohoku U.), Linear Collider Workshop, 2014/10/05, Without Invitation, Belgrade, Serbia
  42. Accelerator Source WG summary, M. Kuriki, W. Gai, S. Doebert, Linear Collider Workshop, 2014/10/05, Without Invitation, Belgrade, Serbia
  43. The First Circulation and Beam Tuning in the Compact ERL at KEK, S. Sakanaka, et al., TUPOL01, LINAC2014, Geneva, 2014/08/31, Without Invitation, Geneva
  44. Robust and High Quantum Efficiency Photo-cathode Development, M. Kuriki, Y. Seimiya, 38, AFAD2014(2014), 2014, Without Invitation
  45. GaAs cathode activation with CsTe thin film, M. Kuriki, Y. Seimiya, K. Uchida, S. Kashiwagi, 2014, Without Invitation
  46. A Study for Robustness of CsK2Sb Cathode, Masao KURIKI, G. Lei, A. Yokota, M. Urano (Hiroshima U.) Y. Seimiya, T. Konomi(KEK) K. Negishi (Iwate U.) M. Katoh (UVSOR), IX International Workshop on Advanced Generation of THz and Compton X-ray (AGTaX) using compact electron accelerator, With Invitation, English, Inter University Accelerator Cetre, New Delhi, India, New Delhi, India, Present an experimental study for the robustness of CsK2Sb cathode
  47. Overview of ILC Accelerator Design, Masao KURIKI, ILC Summer Camp 2017, With Invitation, English, ILC Summer Camp Organizing Committee, Norikura highland, Matsumoto, Nagano, Japan, ILC (International Linear Collider) Accelerator Design is presented.
  48. Design Concept of Linear Collider Accelerator, Masao KURIKI, Colloquium of Department of Science, Osaka City University, Without Invitation, Japanese

Awards

  1. 2018/03/17, APEX/JJAP Editorial Contribution Award, The Japan Society of Applied Physics

External Funds

Acceptance Results of Competitive Funds

  1. Accelerator School on Beam dynamics and Accelerator technology, 2018, 2018
  2. 2018, 2018
  3. 2018, 2018

Social Activities

History as Committee Members

  1. Chief editor of Journal of Particle Accelerator Society of Japan, 0420/14, Particle Accelerator Society of Japan
  2. International Organizing Committee of PosiPol2016, 2016/04/01, 2017/03/31, International Organizing Committee of PosiPol2016
  3. Deputy chair of Beam Physics Division of Japanese Physical Society, 2019/04/01, 2021/03/31, Japanese Physical Society

Organizing Academic Conferences, etc.

  1. ILC Summer Camp 2016, Organizing Committee of ILC Summer Camp 2016, 2016/01, 2016/07

History as Peer Reviews of Academic Papers

  1. 2017, Applied Physics Express, Editor, Editor, 24
  2. 2017, Japanese Journal of Applied Physics, Editor, Editor, 24