Hiromi Okamoto

Last Updated :2020/12/01

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Professor
E-mail
okamotosci.hiroshima-u.ac.jp

Basic Information

Educational Backgrounds

  • Kyoto University, Faculty of Science, Department of Physics, 1984/04, 1989/03
  • Kyoto University, Faculty of Science, Japan, 1980/04, 1984/03

Academic Degrees

  • Ph. D, Kyoto University
  • Master of Science, Kyoto University

Research Fields

  • Mathematical and physical sciences;Physics;Particle / Nuclear / Cosmic ray / Astro physics

Research Keywords

  • particle accelerator
  • storage ring
  • beam transport
  • high-density charged particle beam
  • non-neutral plasma
  • ion trap
  • laser cooling
  • Coulomb crystallization
  • nonlinear many-body dynamical system

Educational Activity

Course in Charge

  1. 2020, Liberal Arts Education Program1, 2Term, Introductory Seminar for First-Year Students
  2. 2020, Undergraduate Education, 4Term, Advanced Physics
  3. 2020, Undergraduate Education, First Semester, Applied Electromagnetic Mechanics
  4. 2020, Undergraduate Education, First Semester, Special Study for Graduation A
  5. 2020, Undergraduate Education, Second Semester, Special Study for Graduation B
  6. 2020, Graduate Education (Master's Program) , First Semester, Seminar on Sciences of Matter
  7. 2020, Graduate Education (Master's Program) , Second Semester, Seminar on Sciences of Matter
  8. 2020, Graduate Education (Master's Program) , First Semester, Seminar on Basic Sciences of Matter A
  9. 2020, Graduate Education (Master's Program) , 2Term, Beam Physics
  10. 2020, Graduate Education (Master's Program) , Second Semester, Seminar on Basic Sciences of Matter B
  11. 2020, Graduate Education (Master's Program) , Academic Year, Academic Presentation in Basic Sciences of Matter
  12. 2020, Graduate Education (Master's Program) , 1Term, Exercises in Basic Sciences of Matter A
  13. 2020, Graduate Education (Master's Program) , 2Term, Exercises in Basic Sciences of Matter A
  14. 2020, Graduate Education (Master's Program) , 3Term, Exercises in Basic Sciences of Matter B
  15. 2020, Graduate Education (Master's Program) , 4Term, Exercises in Basic Sciences of Matter B
  16. 2020, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter
  17. 2020, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter

Research Activities

Academic Papers

  1. Coherent and incoherent space-charge effects in high-intensity hadron rings, Journal of Instrumentation, 15, P07017, 2020, July 23
  2. Reply to "Comment on 'Empirical condition of betatron resonances with space charge'", Phys. Rev. Accel. Beams, 23, 028002, 2020, Feb
  3. Accumulating laser-coolable ions in a linear Paul trap for ultrahigh-density beam dynamics experiment, Journal of Physics: Conf. Series, 1350, 012126, 2019, Dec
  4. Experimental observation of low-order collective oscillation modes in a strong-focusing lattice, Journal of Physics: Conf. Series, 1350, 012125, 2019, Dec
  5. A compact Paul ion trap for the study of space-charge effects in drift-tube linear accelerators, Prog. Theor. Exp. Phys., 093G01, 2019, Sep
  6. Non-neutral electron plasmas confined with a nested potential in a uniform magnetic field, JAPANESE JOURNAL OF APPLIED PHYSICS, 58(8), 20190801
  7. ★, Empirical condition of betatron resonances with space charge, Physical Review Accel. Beams, 22, 074201, 2019, July
  8. Hamiltonian formalism of intense beams in drift-tube linear accelerators, Proc. International Particle Accelerator Conference, 3145-3147, 2019, May
  9. Stability tune diagram of a high-intensity hadron ring, Proc. International Particle Accelerator Conference, 3141-3144, 2019, May
  10. A new method to measure the beta function in a Paul trap, Journal of Physics, 1067, 062016, 2018, May
  11. Effect of quadrupole focusing-field fluctuation on the transverse stability of intense hadron beams in storage rings, Prog. Theor. Exp. Phys., 023G01, 1-13, 2018, Feb.
  12. Simulations on mixing charged particles in a nested Penning trap, JPS Conf. Proc., 18, 011013, 2017, Nov.
  13. ★, Coherent resonance stop bands in alternating gradient beam transport, Physical Review Accelerators and Beams, 20, 064201, 2017, June
  14. Simultaneous confinement of low-energy electrons and positrons in a compact magnetic mirror trap, New J. Phys., 19, 023016, 2017
  15. ★, Double stop-band structure near half-integer tunes in high-intensity rings, Physical Review Accelerators and Beams, 19, 114201, 2016, Nov
  16. Design study of a multipole ion trap for beam physics applications, Plasma and Fusion Res., 10, 1401081, 2015
  17. Free-energy formula for emittance-growth estimation in intense mismatched beams, Prog. Theor. Exp. Phys., 093G01, 2015
  18. Experimental study on dipole motion of an ion plasma confined in a linear Paul trap, Hyperfine Interactions, 236, 29-37, 2015
  19. Phase space volumes of non-neutral electron plasmas during vortex merging processes, Plasma and Fusion Res. : Rapid Commun., 10, 120114, 2015
  20. Annular vortex merging processes in non-neutral electron plasmas, AIP Conf. Proc., 1668, 030003, 2015
  21. Production of Arq+ ions with a tandem linear Paul trap, AIP Conf. Proc., 1668, 040006, 2015
  22. A low energy positron accumulator for the plasma confinement in a compact magnetic mirror trap, AIP Conf. Proc., 1668, 040005, 2015
  23. Autoresonances with a damping force, AIP Conf. Proc., 1668, 050006, 2015
  24. Recent results from the S-POD trap systems on the stability of intense hadron beams, (invited paper) Proc. HB2014, 178-182, 2015
  25. Experimental study of integer resonance crossing in a nonscaling fixed field alternating gradient accelerator with a Paul ion trap, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 18(3), MAR 17 2015
  26. Experimental verification of resonance instability bands in quadrupole doublet focusing channels, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 733, 18-24, JAN 1 2014
  27. Parameter optimization for Doppler laser cooling of a low-energy heavy ion beam at the storage ring S-LSR, PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, MAY 2014
  28. Beam dynamics studies with non-neutral plasma traps, (invited paper) Proc. International Particle Accelerator Conference, 4052-4056, 2014
  29. ★, Experimental simulation of beam propagation over long path lengths using radio-frequency and magnetic traps, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 733, 119-128, JAN 1 2014
  30. Ultralow emittance beam production based on Doppler laser cooling and coupling resonance, Proc. 5th International Particle Accelerator Conference, 2014
  31. Working Group C Summary: computational challenges, new concepts, and new projects, Proc. HB2014, 448-452, 2014
  32. Study of resonance crossing in non-scaling FFAGs using the S-POD linear Paul trap, Proc. 5th International Particle Accelerator Conference, 2014
  33. Beam crystallization. Are we there yet?, (invited paper) Proc. COOL'13, 152-156, 2013
  34. Efficiency Enhancement of Indirect Transverse Laser Cooling with Synchro-Betatron Resonant Coupling by Suppression of Beam Intensity, JAPANESE JOURNAL OF APPLIED PHYSICS, 52(3), MAR 2013
  35. Laboratory Accelerator Physics, BUTSURI (Japanese Physical Society), 86(12), 818-822, 2013
  36. Parameter optimization for multi-dimensional laser cooling of an ion beam in the storage ring S-LSR, Proc. 2013 Particle Accelerator Conf., 2013
  37. Latest results of experimental approach to ultra-cold beam at S-LSR, Proc. International Workshop on Beam Cooling and Related Topics (COOL 13), 2013
  38. Simulation study on transverse laser cooling and crystallization of heavy-ion beams at the cooler storage ring S-LSR, Proc. International Workshop on Beam Cooling and Related Topics (COOL 13), 2013
  39. Experimental studies of resonance crossing in linear non-scaling FFAGs with the S-POD plasma trap, Proc. 4th International Particle Accelerator Conference, 2013
  40. Resonance coupling induced enhancement of indirect transverse cooling in a laser-cooled ion beam, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 15(11), NOV 30 2012
  41. Plasma traps for space-charge studies: status and perspectives, (invited paper) Proc. 52nd ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams, 235-239, 2012
  42. Approach to the low temperature state oriented for crystalline beam, Proc. XXIII Russian Particle Accelerator Conf. (RuPAC2012), 2012
  43. ★, Experimental study of resonance crossing with a Paul trap, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 15(7), JUL 18 2012
  44. Nonneutral Electron Plasmas Confined in a Compact Magnetic Mirror Trap, APPLIED PHYSICS EXPRESS, 5(10), OCT 2012
  45. Challenge for more efficient transverse laser cooling for beam crystallization, Proc. 3rd International Particle Accelerator Conference, 2012
  46. Observation of 2-component bunched beam signal with laser cooling, Proc. 3rd International Particle Accelerator Conference, 2012
  47. Systematic experiments on the mismatch induced halo formation using non-neutral electron plasmas in a uniform magnetic field, Proc. 9th Meeting of Particle Accelerator Society of Japan, 427-429, 2012
  48. Measurement of transverse laser cooling effect using scrapers, Proc. 9th Meeting of Particle Accelerator Society of Japan, 388-390, 2012
  49. Controlled beam scraping oriented for efficient indirect transverse laser cooling, Proc. 9th Meeting of Particle Accelerator Society of Japan, 72-74, 2012
  50. Dark-lifetime degradation of GaAs photo-cathode at higher temperature, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 637, S87-S90, MAY 1 2011
  51. Recent status of beam cooling and related research at S-LSR, Proc. 2nd International Particle Accelerator Conf., 3436-3438, 20110901
  52. Non-neutral plasma traps for accelerator-free experiments on space-charge-dominated beam dynamics, (invited paper) Proc. 2011 Particle Accelerator Conf., 46-50, 20110301
  53. Recent status of beam cooling at S-LSR, Proc. International Workshop on Beam Cooling and Related Topics (COOL 11), 2011
  54. Theoretical study on the stability of Coulomb crystallized beams in periodic focusing channels, Proc. 8th Meeting of Particle Accelerator Society of Japan, 1134-1137, 2011
  55. Beam current dependence of the equilibrium temperature with a laser cooling, Proc. 8th Meeting of Particle Accelerator Society of Japan, 1089-1091, 2011
  56. Present status of ion accumulation and cooler ring, S-LSR, Proc. 8th Meeting of Particle Accelerator Society of Japan, 261-263, 2011
  57. Density and potential profiles of non-neutral electron plasmas in a magnetic mirror field, PHYSICAL REVIEW E, 81(1), JAN 2010
  58. Mismatch Induced Oscillations of Space Charge Dominated Beams in a Uniform Focusing Channel, 1336-1338, 20100501
  59. Optical measurement of transverse laser cooling with synchro-betatron coupling, Proc. 1st IPAC, 858-860, 20100501
  60. Transverse laser cooling by synchro-betatron coupling, Proc. 1st IPAC, 861-863, 20100501
  61. S-POD experiments of space-charge-dominated beam resonances, Proc. 1st IPAC, 1339-1341, 20100601
  62. Intra-beam scattering at low temperature range, Proc. 1st IPAC, 1943-1945, 20100501
  63. A tank circuit monitoring a large number of antiprotons in MUSASHI, Proc. 1st International Particle Accelerator Conference, 2010
  64. Coulomb Crystal Extraction from an Ion Trap for Application to Nano-Beam source, Proc. 1st International Particle Accelerator Conf., 3622-3624, 20100601
  65. Simulation study on coherent resonant instability of non-neutral plasmas confined in a linear Paul trap, Proc. 1st International Particle Accelerator Conference, 2010
  66. Indirect Transverse Laser Cooling of Ions in a Linear Paul Trap, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(8), AUG 2010
  67. Electrostatic Oscillations Observed in Non-Neutral Electron Plasmas Confined in a Magnetic Field Gradient, Plasma Fusion Res., 5(-), 029 (1-3), 20100701
  68. ★, Controlled Extraction of Ultracold Ions from a Linear Paul Trap for Nanobeam Production, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 79(12), DEC 2010
  69. Experimental study of coherent betatron resonances with a Paul trap, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 13(4), APR 2010
  70. 高品質荷電粒子ビームとプラズマ物理, Journal of Plasma and Fusion Research, 82(4), 187-195, 2010
  71. Status and challenges in beam crystallization, Proc. COOL'09, 86-90, 20101201
  72. Modeling of ultra-cold and crystalline ion beams, (invited paper) Proc. 10th International Computational Accelerator Physics Conference, 151-156, 2010
  73. Coulomb coupling and heating of charged particle beams in the presence of dispersion, J. Plasma Fusion Res., 8, 950-954, 20091001
  74. Simulation Study of Emittance Growth from Coulomb Collisions in Low-Temperature Ion Beams, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(12), DEC 2009
  75. A tandem linear Paul trap as an ion source, Journal of Physics, 163(1), 012102-1-4, 20090101
  76. Application of Coupling Resonance to Electron-Beam Conditioning for Free-Electron Lasers, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 78(12), DEC 2009
  77. Tune depression of ion plasmas observed in a linear Paul trap, J. Plasma Fusion Res., 8, 959-962, 20091201
  78. Optical measurement system of laser-cooled Mg ion beam, Proc. 2009 Particle Accelerator Conference, 2009
  79. Recent approach to crystalline beam with laser cooling at ion storage ring, S-LSR, Proc. 2009 Particle Accelerator Conference, 2009
  80. A study of Lifetime of GaAs Photocathode for High Brightness Electron Source, Proc. 23rd Particle Accelerator Conference, MO6RFP069, 20090501
  81. Tune optimization for resonant coupling at S-LSR, Proc. 6th Meeting of Particle Accelerator Society of Japan, 1132-1134, 2009
  82. Extraction of Coulomb crystals from a Paul-trap ion source for nano-beam generation, Proc. 6th Meeting of Particle Accelerator Society of Japan, 857-859, 2009
  83. Observation of collective resonance stopbands in Simulator for Particle Orbit Dynamics, Proc. 6th Meeting of Particle Accelerator Society of Japan, 121-123, 2009
  84. Optical measurement of the laser cooling experiment of the bunched beam at the S-LSR, Proc. 6th Meeting of Particle Accelerator Society of Japan, 1135-1137, 2009
  85. A study of lifetime degradation of GaAs photo-cathode by heating, Proc. 6th Meeting of Particle Accelerator Society of Japan, 894-896, 2009
  86. Experiments on the mismatch induced halo formation in pure electron plasmas, Proc. 6th Meeting of Particle Accelerator Society of Japan, 2009
  87. Determination of Transverse Distributions of Ion Plasmas Confined in a Linear Paul Trap by Imaging Diagnostics, JAPANESE JOURNAL OF APPLIED PHYSICS, 47(10), 8017-8025, OCT 2008
  88. Heating rate of highly space-charge-dominated ion beams in a storage ring, Proc. 2008 European Particle Accelerator Conf., 3080-3082, 20080101
  89. Accumulating low energy charged particles with a magnetic mirror trap and cyclotron resonance heating, APPLIED PHYSICS EXPRESS, 1(6), JUN 2008
  90. Three-dimensional laser cooling of ion beams using a Wien filter, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 77(7), JUL 2008
  91. On the stability of high-energy crystalline beams, Proc. 5th Meeting of Particle Accelerator Society of Japan, 436-438, 2008
  92. Development of a beam imaging system for a solenoid trap, Proc. 5th Meeting of Particle Accelerator Society of Japan, 451-453, 2008
  93. Phase-space manipulation and conditioning for FEL, Proc. 5th Meeting of Particle Accelerator Society of Japan, 439-441, 2008
  94. Development of laser cooling system for ion trap designed for beam physics, Proc. 5th Meeting of Particle Accelerator Society of Japan, 445-447, 2008
  95. Status of photo-cathode test bench, Proc. 5th Meeting of Particle Accelerator Society of Japan, 969-971, 2008
  96. Experimental study of beam physics with ion plasmas confined in a linear Paul trap, Proc. 5th Meeting of Particle Accelerator Society of Japan, 442-444, 2008
  97. Development of an emittance measurement system for a high intensity electron beam emission from NEA-GaAs type photocathode, Proc. 5th Meeting of Particle Accelerator Society of Japan, 159-161, 2008
  98. Degradiation mechanism of NEA-GaAs photocathode surface analyzed by QE mapping data, Proc. 5th Meeting of Particle Accelerator Society of Japan, 960-962, 2008
  99. Production of Coulomb crystal for nano ion beam, Proc. 5th Meeting of Particle Accelerator Society of Japan, 448-450, 2008
  100. Properties of non-neutral electron plasmas confined with a magnetic mirror field, PHYSICAL REVIEW E, 75(6), JUN 2007
  101. Theoretical study of emittance transfer, (invited paper) Proc. COOL'07, 82-86, 2007
  102. High-energy colliding crystals -- a theoretical study, Proc. COOL'07, 91-95, 2007
  103. Experimental strategy for realization of 3D beam ordering with use of tapered cooling at S-LSR, Proc. HB2006 (39th ICFA Advanced Beam Dynamics Workshop), 231-235, 20070401
  104. Nonlinear resonance effects in a linear Paul trap, J. Phys. Soc. Jpn., 76(1), 014802 (8 pages), 20070101
  105. Phase-space manipulation of charged-particle beams by means of coupling resonances, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 76(7), JUL 2007
  106. Axial resonances of Ar+ ions observed in a linear Paul trap, HYPERFINE INTERACTIONS, 174(1-3), 77-82, JAN 2007
  107. ★, Crystalline beams in dispersion-free storage rings, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 9(12), DEC 2006
  108. S-LSR: Cooler ring development at Kyoto University, AIP Conf. Proc., 821, 103-107, 20060401
  109. High-quality charged particle beams and plasma physics, J. Plasma Fusion Res., 82(4), 187-195, 20060401
  110. Monoenergetic electron beam generation in a laser-driven plasma acceleration, LASER PHYSICS LETTERS, 3(2), 79-85, FEB 2006
  111. Phonon spectrum and the maintenance condition of crystalline beams, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 9(3), MAR 2006
  112. Development of a compact plasma trap for experimental beam physics, Jpn. J. Appl. Phys., 45(6A), 5332, 20060401
  113. Cascade acceleration of electrons by laser wakefield and direct laser field, JAPANESE JOURNAL OF APPLIED PHYSICS, 45(5A), 4214-4218, MAY 2006
  114. Crystalline beams at high energies, Proc. 2006 European Particle Accelerator Conference, 2006
  115. Laser cooling for 3D crystalline state at S-LSR, AIP Conf. Proc., 821, 491-500, 20060401
  116. Electron cooling experiments at ion storage ring, S-LSR, Proc. 3rd Annual Meeting of Particle Accelerator Society of Japan, 112-114, 2006
  117. Coulomb coupling constant for spatially confined single-species plasmas, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 74(7), 2099-2100, JUL 2005
  118. Frozen beams, (invited paper) Proc. 2005 Particle Accelerator Conf., 4, 20050401
  119. Phonon modes and the maintenance condition of a crystalline beam, Proc. 2003 Particle Accelerator Conf., 4111, 20050401
  120. Feasibility of beam crystallization in a cooler storage ring, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 8(11), NOV 2005
  121. Space-charge simulations and experiments at Hiroshima University, AIP Conf. Proc., 773, 142, 20050401
  122. Theoretical aspects of beam crystallization, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 532(1-2), 32-39, OCT 11 2004
  123. Beam Dynamics at Ion Storage Ring S-LSR, Proc. 2nd Meeting of Particle Accelerator Society of Japan, 742-744, 2005
  124. Lattice design and cooling simulation at S-LSR, Proc. 2004 European Particle Accelerator Conf., 2119-2121, 20040401
  125. Ultra-low emittance beam generator using Coulomb crystals, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 73(3), 760-761, MAR 2004
  126. ★, One-dimensional ordering of ultra-low-density ion beams in a storage ring, PHYSICAL REVIEW E, 69(6), JUN 2004
  127. Heavy ion storage ring without linear dispersion, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 7(12), DEC 2004
  128. Design and fabrication of a linear Paul trap for the study of space-charge-dominated beams, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 532(1-2), 508-512, OCT 11 2004
  129. Deflection element for S-LSR, Proc. 2004 European Particle Accelerator Conf., 1357-1359, 20040401
  130. S-LSR: test ring for beam crystal, its design and ordering simulation, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 532(1-2), 488-491, OCT 11 2004
  131. Beam cooling at S-LSR, Proc. 2004 European Particle Accelerator Conf., 1360-1362, 20040401
  132. Generating ultralow-emittance ion beams in a storage ring, PHYSICAL REVIEW LETTERS, 93(20), NOV 12 2004
  133. Injection and cooling of the low energy heavy ion beam in the ring, Proc. 1st Meeting of Particle Accelerator Society of Japan, 616-618, 2004
  134. Dispersion-free storage ring, Proc. 1st Meeting of Particle Accelerator Society of Japan, 102-104, 2004
  135. Plasma traps for beam dynamics studies, Bull. Am. Phys. Soc., 69-69, 2004
  136. Extremely low-emittance low-current RFQ with ion trap injector, World Scientific, 269-278, 20030401
  137. Application of envelope instability to high-intensity rings, Proc. 2003 Particle Accelerator Conf., 2592-2594, 20030401
  138. Parametric collective resonances and space-charge limit in high-intensity rings, PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS, 6(9), SEP 2003
  139. Oscillating Coulomb chain in a storage ring, PHYSICAL REVIEW E, 67(4), APR 2003
  140. Emittance limitation in cooled hadron beams, JAPANESE JOURNAL OF APPLIED PHYSICS, 42(7A), 4584-4592, JUL 2003
  141. Particle beam resonances driven by dispersion and space charge, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 482(1-2), 65-78, APR 11 2002
  142. Radio-frequency quadrupole trap as a tool for experimental beam physics, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 485(3), 244-254, JUN 11 2002
  143. Parametric resonances in intense hadron beams, Proc. 2004 European Particle Accelerator Conf., 1383-1385, 20020401
  144. On the maintenance condition of a crystalline beam, Proc. 2004 European Particle Accelerator Conf., 1389-1391, 20020401
  145. ★, Parametric resonances in intense one-dimensional beams propagating through a periodic focusing channel, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A, 482(1-2), 51-64, APR 11 2002
  146. Effect of a longitudinal radio-frequency field on crystalline beams, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 71(3), 1003-1004, MAR 2002
  147. Single-particle orbit equation in crystalline beams, PHYSICS OF PLASMAS, 9(1), 322-329, JAN 2002
  148. A new experimental approach to space charge effects, Proc. 2004 European Particle Accelerator Conf., 1386-1388, 20020401
  149. Design of new compact cooler ring for crystalline beams, Proc. 2004 European Particle Accelerator Conf., 623-625, 20020401
  150. Application of a Paul trap to the study of space-charge-dominated beams I: Theory, Proc. 8th Sympo. on Accel. Sci. and Tech., 20010401
  151. Nano-beam production by RFQ with ion-trap injector, INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, 14(1-4), 283-287, 2001
  152. Beam science facility with combination of ion and electron storage rings, Proc. 2004 European Particle Accelerator Conf., 563-565, 20000401
  153. Application of a Paul trap to the study of space-charge-dominated beams II: Experiment, Proc. 8th Sympo. on Accel. Sci. and Tech., 20010401
  154. ★, Proposed experiments for the study of beam halo formation, Nucl. Intrum. Meth. A, 437, 178-187, 19990401
  155. Three-dimensional laser cooling method based on resonant linear coupling, Phys. Rev. E, 59, 3594-3604, 19990401
  156. ★, Necessary conditions for attaining a crystalline beam, Phys. Rev. Lett., 80(12), 2606-2609, 19980401
  157. Space-charge-dominated beams in synchrotrons, Phys. Rev. Lett., 80(23), 5133-5136, 19980401
  158. ★, Theory of tapered cooling, Phys. Rev. E, 58(3), 3817-3825, 19980401
  159. Simulation study of three-dimensional laser cooling schemes for fast stored beams, Proc. 1998 European Particle Accelerator Conf., 1040-1042, 19980401
  160. Simulation study of three-dimensional laser cooling method for fast stored ion beams, ICR Annual Report, 6, 54-55, 19980401
  161. ★, Simulation study of halo formation in breathing round beams, Phys. Rev. E, 55(4), 4694-4705, 19970401
  162. Halo formation from mismatched axisymmetric beams in a periodic focusing channel, Jpn. J. Appl. Phys., 36, 7028-7034, 19970401
  163. Linacs and beam physics at ICR Kyoto University, 74-77, 19970401
  164. Pulsed neutron source based on accelerator-subcritical-assembly, Proc. 7th International Sympo. Advanced Nucl. Ene. Res., 462-465, 19970401
  165. Halo formation from axisymmteric breathing beams, Proc. 1997 Particle Accelerator Conf., 2, 1911-1913, 19970401
  166. Can beam halo be scraped ?, Beam Science and Technology, 2, 20-22, 19970401
  167. The coupling-cavity scheme for three-dimensional laser cooling, Proc. 1997 Particle Accelerator Conf., 2, 1798-1800, 19970401
  168. Improvement of bridge coupler for Disk-And-Washer structure, Proc. 8th Sympo. on Accel. Sci. and Tech., 176-178, 19970401
  169. A possible 3D laser cooling scheme in a storage ring, Proc. 11th Sympo. on Accel. Sci. and Tech., 481-483, 19970401
  170. Laser cooling in a storage ring and crystalline beams, Genshikaku Kenkyu, 41(2), 1-10, 19960401
  171. Longitudinal beam emittance monitor for 433 MHz proton linac, Rev. Sci. Instrum, 67(9), 3085-3091, 19960401
  172. Electron storage and stretcher ring, KSR, Proc. 1998 European Particle Accelerator Conf., 19960401
  173. Power model of biperiodic DAW cavity, Proc. 1996 Linear Accel. Conf., 857-859, 19960401
  174. An emittance measurement system for the low energy beam transport of the ICR proton linac, Beam Science and Technology, 1, 21-24, 19960401
  175. Electron storage ring, KSR, Beam Science and Technology, 1, 37-40, 19960401
  176. Three-dimensional laser cooling by synchrobetatron coupling, Crystalline Beams and Related Issues, 173-183, 19960401
  177. Development of space-charge codes at ICR, Beam Science and Technology, 1, 25-30, 19960401
  178. The coupling impedance of periodic irises in a beam pipe, Particle Accelerators, 52, 179-200, 19960401
  179. Measurement of the beam distribution of 433 MHz proton linac in longitudinal phase space, Proc. of the 1996 Linear Accel. Conf., 237-239, 19960401
  180. Impedance of periodic irises in a beam pipe, Proc. 1997 Particle Accelerator Conf., 4, 3263-3265, 19950401
  181. Cold model measurement of biperiodic L-support DAW, Proc. 8th Sympo. on Accel. Sci. and Tech., 67-69, 19950401
  182. Longitudinal emittance measurement for 433MHz proton linac, Proc. 10th Sympo. on Accel. Sci. and Tech., 248-250, 19950401
  183. Matching section to the RFQ using permanent magnet symmetric lens, Proc. 1995 Particle Accelerator Conf., 3, 1843-1845, 19950401
  184. Transverse stability of bunch trains, Physical Review E, 52(1), 1026-1038, 19950401
  185. Present status of the accelerator development at the ICR Kyoto University, Proc. 10th Sympo. on Accel. Sci. and Tech., 185-187, 19950401
  186. A 100 MeV injector for the electron storage ring at Kyoto University, Proc. 1995 Particle Accelerator Conf., 2, 1079-1081, 19950401
  187. Cold model test of biperiodic L-support Disk-And-Washer linac structure, Proc. 1995 Particle Accelerator Conf., 2, 1093-1095, 19950401
  188. Beam breakup in bunch trains, CERN Report, SL75, 1-24, 19940401
  189. Three-dimensional laser cooling of fast circulating beams, ICR Annual Report, 2, 56-57, 19950401
  190. Electron storage ring KSR for light source with synchrotron radiation, Proc. 1995 Particle Accelerator Conf., 1, 278-280, 19950401
  191. ★, Transverse laser cooling induced through dispersion at an rf cavity, Phys. Rev. E, 50(6), 4982-4995, 19940401
  192. ★, Longitudinal and transverse impedance of an iris in a beam pipe, Phys. Rev. E, 50(2), 1501-1515, 19940401
  193. Three-dimensional laser cooling, LBL Report, LBL-35899, 19940401
  194. ★, Three-dimensional laser cooling of stored and circulating ion beams by means of a coupling cavity, Phys. Rev. Lett., 72(25), 3977-3980, 19940401
  195. Beam current monitor with a troidal coil for a pulsed proton beam, Bull. Inst. Chem. Res., Kyoto Univ., 72(1), 76-86, 19940401
  196. Impedance of an iris in a beam pipe, Bull. Am. Phys. Soc., 1994
  197. Three-dimensional laser cooling, Lawrence Berkeley National Laboratory Report / LBL-35899, 1994
  198. One-year operation of the 7MeV proton linac, Proc. 1993 Particle Accelerator Conf., 1697-1699, 19930401
  199. One-dimensional beam stability analysis based on the waterbag model, Nucl. Instrum. Meth. A, 332, 1-22, 19930401
  200. Study of beam profile monitor for the proton linac, Bull. Inst. Chem. Res., Kyoto Univ., 71(1), 15-20, 19930401
  201. Characteristics of the ion source and low energy beam transport of the proton linac at ICR, Bull. Inst. Chem. Res., Kyoto Univ., 71(1), 6-14, 19930401
  202. Analysis of the saturation of a high gain FEL, Physical Review E, 47(6), 4412-4429, 19930401
  203. Commissioning of the 7MeV proton linac at ICR Kyoto University, Bull. Inst. Chem. Res., Kyoto Univ., 71(1), 57-61, 19930401
  204. Synchrobetatron-coupling effects in alternating-phase-focusing linacs, Physical Review E, 48(6), 4689-4698, 19930401
  205. Synchro-betatron resonance effects in alternating phase focusing, Proc. 1997 Particle Accelerator Conf., 221-223, 19930401
  206. Present status of the 7 MeV proton linac at ICR Kyoto University, Proc. 8th Sympo. on Accel. Sci. and Tech., 196-198, 19930401
  207. Transverse impedance of an iris in a beam pipe, Proc. 1993 Particle Accelerator Conf., 3390-3392, 19930401
  208. Saturation of a high gain FEL, Proc. 1993 Particle Accelerator Conf., 1545-1547, 19930401
  209. Performance of the ICR 433 MHz RFQ linac, Proc. 9th Sympo. on Accel. Sci. and Tech., 223-225, 19930401
  210. Beam acceleration of the compact proton linac and the light ion RFQ linac at ICR Kyoto University, 192-195, 19930401
  211. Cold model test of a DTL with transition from 4p to 2p-mode acceleration, Bull. Inst. Chem. Res., Kyoto Univ., 71(1), 26-36, 19930401
  212. Performance of the RFQ and Alvarez linac at Kyoto University, Proc. 3rd European Part. Accel. Conf., 560-562, 19920401
  213. Design study of a beam matching section for the ICR proton linac, Bull. Inst. Chem. Res., Kyoto Univ., 70(1), 89-98, 19920401
  214. Cold model test of a four vane RFQ for multi-purpose use linac, Bull. Inst. Chem. Res., Kyoto Univ., 70(1), 99-108, 19920401
  215. Design study of compact proton synchrotron for biomedical use, Proc. 3rd European Part. Accel. Conf., 1663-1665, 19920401
  216. Improvement of the proton accelerator system, Bull. Inst. Chem. Res., Kyoto Univ., 70(1), 37-44, 19920401
  217. High power dummy-load for rf system of the linac, Bull. Inst. Chem. Res., Kyoto Univ., 70(1), 45-54, 19920401
  218. Stability of 1D waterbag-type beams, Proc. 8th Sympo. on Accel. Sci. and Tech., 392-394, 19910401
  219. Coupled motion in alternating phase focused linacs, Bull. Inst. Chem. Res., Kyoto Univ., 69(1), 1-10, 19910401
  220. Alternating phase focused structures, Proc. 8th Sympo. on Accel. Sci. and Tech., 401-403, 19910401
  221. Rf characteristics of 433.3MHz RFQ, Proc. 8th Sympo. on Accel. Sci. and Tech., 125-127, 19910401
  222. Present status of 7MeV proton linac at Kyoto University, Proc. 8th Sympo. on Accel. Sci. and Tech., 52-54, 19910401
  223. 7MeV proton linac at ICR, The 2nd Int. Sympo. on Advanced Nucl. Ene. Res., 345-347, 19900401
  224. 7MeV proton linac, Proc. 1996 Linear Accel. Conf., 746-748, 19900401
  225. System of 7MeV proton linac, Bull. Inst. Chem. Res., Kyoto Univ., 68(2), 156-161, 19900401
  226. Effect of constant curvature vane tip on rf quadrupole beam dynamics, Bull. Inst. Chem. Res., Kyoto Univ., 68(2), 127-131, 19900401
  227. Development of linear accelerators at ICR Kyoto University, 155-157, 19900401
  228. Analytic treatment of the saturated state of an FEL, Bull. Am. Phys. Soc., 1025-1026, 1990
  229. Simple Measurement Systems for permanent Magnet Quadrupole Lense, Review of Sientific Instruments, 60(9), 2975, 19890401
  230. ★, Beam dynamics of alternating phase focused linacs, Nucl. Instrum. Meth. A, 284, 233-247, 19890401
  231. 7MeV proton linac at ICR, Proc. 8th Sympo. on Accel. Sci. and Tech., 38-40, 19890401
  232. Design of 433.3MHz Alvarez drift tube linac and beam matching section, Bull. Inst. Chem. Res., Kyoto Univ., 66(1), 38-43, 19880401
  233. Rf characteristics of 433.3MHz proton RFQ linac, Bull. Inst. Chem. Res., Kyoto Univ., 66(1), 29-37, 19880401
  234. Design parameters and rf properties of 433.3MHz proton RFQ linac at ICR, Proc. 8th Sympo. on Accel. Sci. and Tech., 111-113, 19870401
  235. Construction of an RFQ linac, Proc 4th China-Japan Joint Sympo. on Accel. for Nucl. Sci. & their Applications, 64-66, 19870401
  236. Design of 433.3MHz proton RFQ linac, Bull. Inst. Chem. Res., Kyoto Univ., 65(1), 35-45, 19870401
  237. Study of permanent magnet quadrupole lens, Bull. Inst. Chem. Res., Kyoto Univ., 64(1), 20-24, 19860401

Publications such as books

  1. 2019/04, ICFA Beam Dynamics Newsletter Vol.76, 2019, April, Scholarly Book, Joint work, 英語, 231, 7
  2. 2018/, /4,, Accelerator Handbook, Doppler laser cooling, Maruzen, 2018, 4, Dictionary/Encyclopedia, Joint work, 日本語, 978-4-621-08901-9

Invited Lecture, Oral Presentation, Poster Presentation

  1. Application of a compact ion trap to fundamental beam-dynamics studies, Hiromi Okamoto, 10th International Conference on Nuclear Physics at Storage Rings, 2017, With Invitation, English, Kanazawa, Japan
  2. Experimental simulation of intense beam dynamics with a Paul ion trap, Hiromi Okamoto, the Frontiers of Intense Beam Modeling, 2016/10, With Invitation, English, Colorado, USA