Tohru Takahashi

Last Updated :2021/05/10

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
E-mail
tohru-takahashihiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Ph.D. in Physics, Nagoya University

Research Fields

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

Research Keywords

  • laser
  • ILC
  • High Energy Physics

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2021, Liberal Arts Education Program1, 2Term, Science and Radiation
  2. 2021, Undergraduate Education, 4Term, Advanced Physics
  3. 2021, Undergraduate Education, 4Term, Introduction to Physics B
  4. 2021, Undergraduate Education, First Semester, Special Study for Graduation A
  5. 2021, Undergraduate Education, Second Semester, Special Study for Graduation B
  6. 2021, Undergraduate Education, Second Semester, Media Literacy and Science
  7. 2021, Undergraduate Education, First Semester, Seminar on Science Communication I
  8. 2021, Undergraduate Education, Second Semester, Seminar on Science Communication II
  9. 2021, Graduate Education (Master's Program) , 2Term, High Energy Physics
  10. 2021, Graduate Education (Master's Program) , 1Term, Exercise in Physics I
  11. 2021, Graduate Education (Master's Program) , 2Term, Exercise in Physics I
  12. 2021, Graduate Education (Master's Program) , 3Term, Exercise in Physics II
  13. 2021, Graduate Education (Master's Program) , 4Term, Exercise in Physics II
  14. 2021, Graduate Education (Master's Program) , 1Term, Special Exsecise in Physics A
  15. 2021, Graduate Education (Master's Program) , 2Term, Special Exsecise in Physics A
  16. 2021, Graduate Education (Master's Program) , 3Term, Special Exsecise in Physics B
  17. 2021, Graduate Education (Master's Program) , 4Term, Special Exsecise in Physics B
  18. 2021, Graduate Education (Master's Program) , Academic Year, Special Research in Physics
  19. 2021, Graduate Education (Doctoral Program) , Academic Year, Special Research in Physics
  20. 2021, Graduate Education (Master's Program) , Academic Year, Academic Presentation in Basic Sciences of Matter
  21. 2021, Graduate Education (Doctoral Program) , Academic Year, Advanced Study in Quantum Matter
  22. 2021, Graduate Education (Master's Program) , First Semester, Seminar on Basic Sciences of Matter A
  23. 2021, Graduate Education (Master's Program) , Second Semester, Seminar on Basic Sciences of Matter B
  24. 2021, Graduate Education (Master's Program) , 1Term, Exercises in Basic Sciences of Matter A
  25. 2021, Graduate Education (Master's Program) , 2Term, Exercises in Basic Sciences of Matter A
  26. 2021, Graduate Education (Master's Program) , 3Term, Exercises in Basic Sciences of Matter B
  27. 2021, Graduate Education (Master's Program) , 4Term, Exercises in Basic Sciences of Matter B
  28. 2021, Graduate Education (Master's Program) , 3Term, Photon Physics
  29. 2021, Graduate Education (Master's Program) , Academic Year, Advanced Study in Quantum Matter

Award of Education

  1. 4084/8.

Research Activities

Academic Papers

  1. A conventional positron source for international linear collider, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 672, 52-56, 20120421
  2. Production of gamma rays by pulsed laser beam Compton scattering off GeV-electrons using a non-planar four-mirror optical cavity, JOURNAL OF INSTRUMENTATION, 7, 201201
  3. $\gamma \gamma$ Collider, Nuclear Instruments and Methods in Physics Research, A472, 4-11, 20010401
  4. Experiment of positron generation using a crystal target at the KEK electron-positron linac, Nuclear Instruments and Methods in Physics Research, B173, 104-111, 20010401
  5. Gold-plated processes at photon colliders, Nuclear Instruments and Methods in Physics Research, A472(1), 100-120, 20010401
  6. The Multi-Configuration Dirac-Fock Calculation of the Low-Lying Levels of Sm, Euro physical Jounal, D14, 20010401
  7. Parametric X-radiation and diffracted transition radiation at REFER electron ringl, Nuclear Instruments and Methods in Physics Research, B173(NA), 241-252, 20010401
  8. Toward the experimental observation of nonlinear effects in laser-electron beam scattering, Review of Scientific Instruments, 71(2), 369-375, 20000401
  9. Search for charmless hadronic decays of B mesons with the SLD detector, Physical Review, D62, 71101, 20000401
  10. Enhanced type-B coherent effect in collimated electron-positron photopriduction from Si Crystal, Physics Letters, A271, 110-114, 20000401
  11. Hyperfine Constants and Tensor Polarizabilities of 4f66s6p9G0-6 States in Sm I, Journal of Physical Society of japan, 68(6), 1877-18882, 19990401
  12. Time dependent B/s0 anti-B/s0 mixing using inclusive and semileptonic B decays at SLD, Nuclear Instruments and Methods in Physics Research, A446, 53-58, 19990401
  13. Direct measurement of A(b) in Z0 decays using charged kaon tagging, Physical Review Letters, 83, 1902-1907, 19990401
  14. Direct measurement of A(b) and A(c) at the Z0 pole using a lepton tag, Physical Review Letters, 83, 3384-3389, 19990401
  15. First study of the structure of e+ e- $\to$ b anti-b g events and limits on the anomalous chromomagnetic coupling of the b-quark, Physical Review, D60, 92002, 19990401
  16. Physics results from SLD using the CRID, Nuclear Instruments and Methods in Physics Research, A433, 314-327, 19990401
  17. Positron Produection in Tungsten Crystals by 1.2 GeV Channeling Electrons., Physical Review Letters, 80(7), 1437-1440, 19980401
  18. Stark and Zeeman Spectroscopies of Sm I from Metastable-State Atomic Beam Produced by Electric Dishcharge, Journal of Physical Society of japan, 67, 1213-1219, 19980401
  19. Observation of monocromatic and tunable hard X radiation from Stratified Si Single Crystals, Nuclear Instruments and Methods in Physics Research, B145, 50, 19980401
  20. Investigation of posirton genaration by relativistic electron in aligined crystals, Nuclear Instruments and Methods in Physics Research, B145, 25, 19980401
  21. Measurement of R(b) using a vertex mass tag, Physical Review Letters, 80, 660-665, 19980401
  22. Stark and Zeeman spectroscopies of 4f66s6p 7GJ levels in Sm I under external electric and magnetic fields, Z Phys, D42, 243, 19970401
  23. Smulations of theinteraction region in a photon-photon collder, Nuclear Instruments and Methods in Physics Research, A397, 458-464, 19970401
  24. Measuring the two-photon decay width of intermediate-mass Higgs bosons at a photon-photon collider., Physical Review, D56, 1723-1729, 19970401
  25. Measurement of the tau neutrino helicity and Michel parameters in polarized e+ e- collisions, Physical Review Letters, 78, 4691-4696, 19970401
  26. Measurement of the B+ and B0 lifetimes using topological reconstruction of inclusive and semileptonic decays, Physical Review Letters, 79, 590-596, 19970401
  27. Measurement of the B hadron energy distribution in Z0 decays, Physical Review, D56, 5310-5319, 19970401
  28. MEASUREMENT OF LEADING PARTICLE EFFECTS IN DECAYS OF Z0 BOSONS INTO LIGHT FLAVORS., Physical Review Letters, 78, 3442-3446, 19970401
  29. Measurement of hyperfine, structure constants, g values and tensor polarizability fo excited states of Sm I, Zeitschrift fur Physik, D39, 209-216, 19970401
  30. FIRST MEASUREMENT OF THE LEFT-RIGHT CHARGE ASYMMETRY IN HADRONIC Z BOSON DECAYS AND A NEW DETERMINATION OF $sin^2\theta_W(EFF)., Physical Review Letters, 78, 17-21, 19970401
  31. AN IMPROVED MEASUREMENT OF THE LEFT-RIGHT Z0 CROSS-SECTION ASYMMETRY., Physical Review Letters, 78, 2075-2079, 19970401
  32. A STUDY OF THE ORIENTATION AND ENERGY PARTITION OF THREE JET EVENTS IN HADRONIC Z0 DECAYS., Physical Review, D, 2533-2545, 19970401
  33. A TEST OF THE FLAVOR INDEPENDENCE OF STRONG INTERACTIONS., Physical Review, D53, 2271-2275, 19960401
  34. Computer Search of Rare-earth Atomic Levels for Atomic Parity Violation Experiments., Journal of Physical Society of japan, 65(8), 2722-2723, 19960401
  35. FACTORIAL AND CUMULANT MOMENTS IN E+ E- --- HADRONS AT THE Z0 RESONANCE., Physics Letters, B371(1), 149-156, 19960401
  36. FIRST STUDY OF RAPIDITY GAPS IN E+ E- ANNIHILATION., Physical Review Letters, 76(1), 4886-4890, 19960401
  37. Influence of e+e- pair creation in collision of laser and high energy photons for photon-photon colliders., Nuclear Instruments and Methods in Physics Research, A373, 185-193, 19960401
  38. MEASUREMENT OF THE CHARGED MULTIPLICITIES IN B, C AND LIGHT QUARK EVENTS FROM Z0 DECAYS., Physics Letters, B368, 475-485, 19960401
  39. MEASUREMENTS OF R(B) WITH IMPACT PARAMETERS AND DISPLACED VERTICES., Physical Review, D53, 1023-1938, 19960401
  40. Search of Feasible Level Schemes for Atomic Parity Violation Experiments using Rare-earth Elements., Journal of Science of the Hiroshima University= Series A, 60(1), --, 19960401
  41. Systematic Study of Fine and Hyperfine Structures in Pr I by Doppler-Free Atomic-Beam Spectroscopy., Journal of the Physical Society of Japan, 65(10), 3180-3185, 19960401
  42. A SEARCH FOR JET HANDEDNESS IN HADRONIC Z0 DECAYS., Physical Review Letters, 74, 1512-1516, 19950401
  43. COMPARISON OF A NEW CALCULATION OF ENERGY-ENERGY CORRELATIONS WITH E+ E- --HADRONS DATA AT THE Z0 RESONANCE., Physical Review, D52, 4240-4244, 19950401
  44. FIRST MEASUREMENT OF THE T ODD CORRELATION BETWEEN THE Z0 SPIN AND THE THREE JET PLANE ORIENTATION IN POLARIZED Z0 DECAYS TO THREE JETS., Physical Review Letters, 75, 4173-4177, 19950401
  45. MEASUREMENT OF A(B) AND A(C) FROM THE LEFT-RIGHT FORWARD - BACKWARD ASYMMETRY OF LEPTONS IN HADRONIC EVENTS AT THE Z0 RESONANCE., Physical Review Letters, 74, 2895-2899, 19950401
  46. MEASUREMENT OF A(B) FROM THE LEFT-RIGHT FORWARD - BACKWARD ASYMMETRY OF B QUARK PRODUCTION IN Z0 DECAYS USING A MOMENTUM WEIGHTED TRACK CHARGE TECHNIQUE., Physical Review Letters, 74, 2890-2894, 19950401
  47. MEASUREMENT OF ALPHA-S (M(Z)**2) FROM HADRONIC EVENT OBSERVABLES AT THE Z0 RESONANCE., Physical Review, D51, 962-984, 19950401
  48. MEASUREMENT OF THE AVERAGE B HADRON LIFETIME IN Z0 DECAYS USING RECONSTRUCTED VERTICES., Physical Review Letters, 75, 3624-3628, 19950401
  49. MEASUREMENT OF THE LEFT-RIGHT FORWARD - BACKWARD ASYMMETRY FOR CHARM QUARKS WITH D*+ AND D+ MESONS., Physical Review Letters, 75, 3609-3613, 19950401
  50. MEASUREMENT OF THE TAU LIFETIME AT SLD., Physical Review, D52, 4828-4837, 19950401
  51. Parametric X Radiation from Thick Crystals, Physical Review, E51, 6305-6308, 19950401
  52. POLARIZED BHABHA SCATTERING A PRECISION MEASUREMENT OF THE ELECTRON NEUTRAL CURRENT COUPLINGS., Physical Review Letters, 74, 2880-2884, 19950401
  53. MEASUREMENT OF ALPHA-S FROM ENERGY-ENERGY CORRELATIONS AT THE Z0 RESONANCE., Physical Review, D50, 5580-5590, 19940401
  54. MEASUREMENT OF THE CHARGED MULTIPLICITY OF Z0 --- B ANTI-B EVENTS., Physical Review Letters, 72, 3145-3149, 19940401
  55. PRECISE MEASUREMENT OF THE LEFT-RIGHT CROSS-SECTION ASYMMETRY IN Z BOSON PRODUCTION BY E+ E- COLLISIONS., Physical Review Letters, 73, 25-29, 19940401
  56. A MEASUREMENT OF ALPHA-S FROM JET RATES AT THE Z0 RESONANCE., Physical Review Letters, 71, 2528-2532, 19930401
  57. FIRST MEASUREMENT OF THE LEFT-RIGHT ASYMMETRY IN Z BOSON PRODUCTION., Modern Physics Letters, A8, 2237-2248, 19930401
  58. FIRST MEASUREMENT OF THE LEFT-RIGHT CROSS-SECTION ASYMMETRY IN Z BOSON PRODUCTION BY E+ E- COLLISIONS., Physical Review Letters, 70, 2515-2520, 19930401
  59. CHARGE ASYMMETRY OF HADRONIC EVENTS IN E+ E- ANNIHILATION AT S**(1/2) =57.9-GEV., Physics Letters, B255, 613-622, 19910401
  60. A SEARCH FOR A B-PRIME QUARK WITH FLAVOR CHANGING NEUTRAL CURRENT DECAY MODES AT TRISTAN., Physics Letters, B234, 197--, 19900401
  61. A SEARCH FOR CHARGED HIGGS BOSONS AT TRISTAN., Physics Letters, B240, 513-518, 19900401
  62. A SEARCH FOR INCLUSIVE PRODUCTION OF HEAVY STABLE PARTICLES BY THE TOPAZ DETECTOR AT TRISTAN., Physics Letters, B249, 336-340, 19900401
  63. A STUDY OF PION PAIR PRODUCTION IN TWO PHOTON PROCESS., Physics Letters, B234, 185--, 19900401
  64. MEASUREMENT OF THE TOTAL HADRONIC CROSS-SECTIONS IN E+ E- ANNIHILATION AND DETERMINATION OF THE STANDARD MODEL PARAMETERS., Physics Letters, B234, 525--, 19900401
  65. SEARCH FOR PAIR PRODUCTION OF HEAVY STABLE PARTICLES AT TRISTAN., Physics Letters, B244, 352-356, 19900401
  66. A SEARCH FOR A FOURTH GENERATION CHARGE -1/3 (B-PRIME) QUARK USING INCLUSIVE MUONS IN E+ E- ANNIHILATIONS AT S**(1/2) = 56.5-GEV TO 60.8-GEV., Physics Letters, B229, 427--, 19890401
  67. A SEARCH FOR EXCITED LEPTONS IN THE ENERGY REGION S**(1/2) = 52-GEV - 60.8-GEV., Physics Letters, B228, 553--, 19890401
  68. MEASUREMENTS OF ALPHA-S IN E+ E- ANNIHILATION AT S**(1/2) = 53.3-GEV AND 59.5-GEV., Physics Letters, B227, 495--, 19890401
  69. SEARCH FOR SUSY PARTICLES IN E+ E- ANNIHILATION AT TRISTAN., Physics Letters, B218, 105--, 19890401
  70. CHARGE ASYMMETRY MEAUREMENT IN E+ E- --- MU+ MU- AND TAU+ TAU- REACTIONS AT S**(1/2) = 52-GEV., Physics Letters, B208, 319--, 19880401
  71. MEASUREMENT OF THE PROCESSES E+ E- --- E+ E- AND E+ E- ----GAMMA GAMMA AT S**(1/2) = 52-GEV., Physics Letters, B200, 391--, 19880401
  72. SEARCH FOR SEQUENTIAL HEAVY LEPTONS IN E+ E- COLLISIONS AT S**(1/2) = 52-GEV., Physical Review, D37, 1339--, 19880401
  73. SEARCH FOR TOP QUARK IN E+ E- COLLISIONS AT S**(1/2) = 52-GEV., Physical Review Letters, 60, 97--, 19880401
  74. AUTOMATED MONITORING AND CALIBRATING SYSTEM OF GAS GAIN AND ELECTRON DRIFT VELOCIT, Nuclear Instruments and Methods in Physics Research, A245, 35--, 19870401
  75. CATHODE READOUT OF LIMITED STREAMER TUBES WITH CONDUCTIVE PLASTIC WALLS., Nuclear Instruments and Methods in Physics Research, A256, 53--, 19870401
  76. THE GAS SAMPLING ELECTROMAGNETIC CALORIMETER USING CONDUCTIVE PLASTIC TUBES, Nuclear Instruments and Methods in Physics Research, A256, 449--, 19870401
  77. zerorh oder design report for the next linear collder, SLAC-R-474, 19960401
  78. gamma gamma collider as an option of JLC, KEK Report, 19970401
  79. JLC Design Study, 19970401
  80. TESLA: THE SUPERCONDUCTING ELECTRON POSITRON LINEAR COLLIDER WITH AN INTEGRATED X-RAY LASER LABORATORY. TECHNICAL DESIGN REPORT. PART 6. APPENDICES. CHAPTER 1. PHOTON COLLIDER AT TESLA., DESY-01-011, 20010401
  81. Particle Physics Experiments at JLC, KEK Report, 20011101
  82. Observation of Stark-Induced Electric Dipole Transition in Atomic Samarium with Optical Double Resonance, J. Phys. Soc. Japan, 71, 2137-2141, 20020401
  83. Stark spectroscopy of high-lying odd parity levels in atomic samarium, European Physical Journal B, 25, 103-111, 20030401
  84. Observation of second harmonics in laser-electron scattering using low energy electron beam, Physics Letter A, 346, 255-260, 20050401
  85. Steering Beam of Charged Particles using Silicon Crystals, Journal of the Physical Society of Japan, 6(76), 064007, 20070601
  86. Measurement of neutrino oscillation by the K2K experiment, Physical Review D, 74, 072003, 20060601
  87. Improved Search for nu-mu -> nu-e Oscillation in a Long-Baseline Acceleralator Experiment, Physical Review Letters, 96, 181801, 20060512
  88. Measurement of the quasielastic axial vector mass in neutrino interactions on oxygen, Physical Review D, 74, 052002, 20060901
  89. Parametric X-ray Study from Textured Molybdenum Polycrystal, Journal of the Physical Society of Japan, 75(12), 124705, 20061212
  90. Beam Handling by Crystals, 3(4), 354-363, 20070131
  91. Analysis of mutual communication between qubits by capacitive coupling, Physical Review A, 67, 050301(R), 20030527
  92. Electron beam deflection with channeling in a silicon crystal at teh REFER electron ring, Nuclear Instruments and Methods in Physics Research Section B, 252, 16-19, 20060901
  93. Evidence for muon neutrino oscillation in an accelerator-based experiment, Physical Review Letters, 94, 082802-081805, 20050303
  94. The K2K SciBar detector, Nuclear Instruments and Methods in Physics Research Section A, 535, 147-151, 20040901
  95. A test of virtual vacuum polarizations in a strong electromagnetic field, Laser Physics, 16(2), 278-283, 20060401
  96. Experimental study of the atmospheric neutrino backgrounds for p ---> e+ pi0 searches in water Cherenkov detectors, Physical Review, D74, 032003-1 032003-13, 20080401
  97. Photon Generation by Laser-Compton Scattering Using an Optical Resonant Cavity at the KEK-ATF Electron Ring, Journal of Physical Society of Japan, 78(7), 074501-1-074501-7, 20090401
  98. Present status and first results of the final focus beam line at the KEK Accelerator Test Facility, Physical Review Speciatl Topics Accelerators and Beams, 13(4), 042801-1 -- 042801-10, 20100401
  99. Photon generation by laser-Compton scattering at the KEK-ATF, Nucl. Inst. & Meth. A, 623(1), 576, 20101101
  100. THE CLIC POSITRON SOURCE BASED ON COMPTON SCHEMES, Proc. Of 23rd Particle Accelerator Conference(PAC09) Vancouver Canada, none(none), WE6RFP065, 20090501
  101. Photon Generation by Laser-Compton Scattering Using an Optical Resonant Cavity at the KEK-ATF Electron Ring, Journal of Physical Society of Japan, 78(7), 074501-1, 20090601
  102. Status of the Energy Recovery Linac project in Japan, Proc. Of 23rd Particle Accelerator Conference(PAC09) Vancouver Canada, WE6RFP065, 20090501
  103. Positron sources using channeling: A promising device for linear colliders, Nuovo Cimento C, 34(4), 141-148, 20110701
  104. Toward the experimental observation of nonlinear effects in laser-electron beam scattering, REVIEW OF SCIENTIFIC INSTRUMENTS, 71(2), 369-375, 200002
  105. Detection of top quarks in a photon-photon collider, INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 15(16), 2599-2604, 20000630
  106. The status of the nonlinear Compton/Thomson scattering experiment, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 455(1), 46-49, 20001121
  107. The multi-configuration Dirac-Fock calculation of the low-lying levels of Sm, EUROPEAN PHYSICAL JOURNAL D, 14(3), 271-277, 200106
  108. gamma gamma collider, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 472(1-2), 4-11, 20011011
  109. Origin of transconductance oscillations in silicon-on-insulator metal-oxide-semiconductor field-effect transistors with an ultrathin 6-nm-thick active Si layer, JOURNAL OF APPLIED PHYSICS, 91(8), 5360-5364, 20020415
  110. Evidence of mesoscopic carrier transport in SOI-MOSFETs with ultra-thin active Si-layer, PHYSICA B-CONDENSED MATTER, 314(1-4), 367-371, 200203
  111. Observation of Stark-induced electric dipole transition in atomic samarium with optical double resonance, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 71(9), 2137-2141, 200209
  112. Analysis of mutual communication between qubits by capacitive coupling, PHYSICAL REVIEW A, 67(5), 200305
  113. How well can we reconstruct the t(t)over-bar system near its threshold at future e(+)e(-) linear colliders?, EUROPEAN PHYSICAL JOURNAL C, 29(1), 1-10, 200307
  114. Stark spectroscopy of high-lying odd parity levels in atomic samarium, EUROPEAN PHYSICAL JOURNAL D, 25(2), 103-111, 200308
  115. Search for coherent charged pion production in neutrino-carbon interactions, PHYSICAL REVIEW LETTERS, 95(25), 20051216
  116. The K2K SciBar detector, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 535(1-2), 147-151, 20041211
  117. The photon collider at TESLA, INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 19(30), 5097-5186, 20041210
  118. Evidence for muon neutrino oscillation in an accelerator-based experiment, PHYSICAL REVIEW LETTERS, 94(8), 20050304
  119. Observation of second harmonics in laser-electron scattering using low energy electron beam, PHYSICS LETTERS A, 346(4), 255-260, 20051017
  120. Design, construction, and initial performance of SciBar detector in K2K experiment, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 52(6), 2992-2997, 200512
  121. Improved search for nu(mu)->nu(e) oscillation in a long-baseline accelerator experiment, PHYSICAL REVIEW LETTERS, 96(18), 20060512
  122. Measurement of the quasielastic axial vector mass in neutrino interactions on oxygen, PHYSICAL REVIEW D, 74(5), 200609
  123. Measurement of neutrino oscillation by the K2K experiment, PHYSICAL REVIEW D, 74(7), 200610
  124. Electron beam deflection with channeling in a silicon crystal at the REFER electron ring, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 252(1), 16-19, 200611
  125. Parametric X-ray study from textured molybdenum polycrystal, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 75(12), 200612
  126. A test of virtual vacuum polarizations in a strong electromagnetic field, LASER PHYSICS, 16(2), 278-283, 200602
  127. Steering beam of charged particles using silicon crystals, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 76(6), 200706
  128. Experimental study of the atmospheric neutrino backgrounds for p -> e(+)pi(0) searches in water Cherenkov detectors, PHYSICAL REVIEW D, 77(3), 200802
  129. Measurement of single charged pion production in the charged-current interactions of neutrinos in a 1.3 GeV wide band beam, PHYSICAL REVIEW D, 78(3), 200808
  130. 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
  131. Study in a beam test of the resolution of a Micromegas TPC with standard readout pads, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 602(2), 403-414, 20090421
  132. 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
  133. Feasibility study of the measurement of Higgs pair creation at a photon linear collider, PHYSICAL REVIEW D, 85(11), 20120621
  134. Development of a three dimensional four mirror optical cavity for laser-Compton scattering, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 724, 63-71, 20131001
  135. Blocking positive ion backflow using a GEM gate: experiment and simulations, JOURNAL OF INSTRUMENTATION, 8, 201311
  136. Development of an intense positron source using a crystal-amorphous hybrid target for linear colliders, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 319, 17-23, 20140114
  137. Experimental Validation of a Novel Compact Focusing Scheme for Future Energy-Frontier Linear Lepton Colliders, PHYSICAL REVIEW LETTERS, 112(3), 20140124
  138. Spatial resolutions of GEM TPC. A novel theoretical formula and its comparison to latest beam test data, JOURNAL OF INSTRUMENTATION, 9, 201403
  139. Demonstration of the stabilization technique for nonplanar optical resonant cavities utilizing polarization, REVIEW OF SCIENTIFIC INSTRUMENTS, 86(4), 201504
  140. A study of the measurement precision of the Higgs boson decaying into tau pairs at the ILC, EUROPEAN PHYSICAL JOURNAL C, 75(12), 20151228
  141. Positron capture simulation for the ILC electron-driven positron source, PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 201510
  142. Feedback-free optical cavity with self-resonating mechanism, APL photonics, 1, 026103-1-026103-7, 201604
  143. Feedback-free optical cavity with self-resonating mechanism, APL PHOTONICS, 1(2), 201605
  144. High flux circularly polarized gamma beam factory: coupling a Fabry-Perot optical cavity with an electron storage ring, SCIENTIFIC REPORTS, 6, 201611
  145. A time projection chamber with GEM-based readout, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 856, 109-118, 201706
  146. Development of optical resonant cavities for laser-Compton scattering, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 402, 370-372, 20170701
  147. A novel technique for the measurement of the avalanche fluctuation of gaseous detectors, Nuclear Instruments and Methods in Physics Research Section A, 845, 236-240, 201702
  148. ★, Future Prospects of Gamma–Gamma Collider, Reviews of Accelerator Science and Technology, 10(1), 215-226, 201908
  149. Light-by-light scattering in a photon photon collider, EUROPEAN PHYSICAL JOURNAL C, 78, 201811
  150. Measurement of the electron transmission rate of the gating foil for the TPC of the ILC experiment, Nuclear Instruments and Methods in Physics Research, A918, 41-53, 201902
  151. Creation of Electron-Positron Pairs in Photon-Photon Collisions Driven by 10-PW Laser Pulses, PHYSICAL REVIEW LETTERS, 122(1), 20190109
  152. Measurement of the electron transmission rate of the gating foil for the TPC of the ILC experiment, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 918, 41-53, 20190221
  153. Light-by-light scattering in a photon-photon collider, EUROPEAN PHYSICAL JOURNAL C, 78(11), 20181103
  154. A design of an electron driven positron source for the internationallinear collider, Nuclear Instruments and Methods in Physics Research, A953, 163134-1-163134-9, 20200211
  155. Mode-locked pulse oscillation of a self-resonating enhancement optical cavity, Journal of Physics: Conference Series, 1350(1), 1-6, 201912
  156. ★, Precision electroweak measurements on the Z resonance, PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 427(5-6), 257-454, 2006

Invited Lecture, Oral Presentation, Poster Presentation

  1. Concluding remarks, Tohru Takahashi, CORE-U Workshop , Intense fileld and extream universe, 2016/03, Without Invitation, English, CORE-U, Higashi Hiroshima, Surrmay of the conference
  2. Energy deposition around the conventional source target- an update -, T.Takahashi, PosiPol2016, 2016/.9, Without Invitation, English, LAL, Orsay France
  3. Development of Optical Resonant Cavities for laser-Compton Scattering, T.Takahashi, Channeling2016, 2016/.9, Without Invitation, English
  4. Energy deposition around ana electronn driven target- an update -, T.Takahashi, LCWS2016, 2016/12, Without Invitation, English
  5. Energy depositions for an electron driven target w/ 1300 bunches, T.Takahashi, Staging mini workshop, 2017/.4, Without Invitation, English
  6. Interaction Region of gamma gamma collider, T.Takahashi, ICFA Mini-Workshop on Future gamma-gamma Collider, 2017/.4, With Invitation, English
  7. An Update of Energy Deposition around e-driven positron source, T.Takahshi, LCWS2017, 2017/10, Without Invitation, English
  8. Energy depositions for an electron driven target w/ 1300 bunches, T.Takahashi, America Workshshop for Linear Collider, 2017/.5, Without Invitation, English
  9. ILC status in Japan, Tohru Takahashi, POSIPOL2018, 2018/09/03, Without Invitation, English, CERN, Geneva,
  10. Energy Deposition around the e-driven target, Tohru Takahashi, POSIPOL2018, 2018/09/04, Without Invitation, English, CERN, Geneva
  11. Energy Deposition around the e-driven target, Tohru Takahashi, LCWS2018, 2018/10/23, Without Invitation, English, University of Texas, Arlingtong, TX
  12. The ILC Accelerator and Project Status, Tohru Takahashi, JAPAN-SPAIN WORKSHOP ON OPPORTUNITIES ON ACCELERATORS, 2018/12/10, With Invitation, English, ICEX, AAA, INESTAR, Madrid, Spain
  13. gamma gamma -> gamma gamma Simulation, Tohru Takahashi, IHEP Seminar, 2018/07/05, With Invitation, English, IHEP, Beijing, Chaina

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI, 2014, 2016
  2. KAKENHI, Development of a positron source using crystal-amorphous hybrid targets, 2010, 2012
  3. KAKENHI, 2010, 2014
  4. KAKENHI, Development of a three dimensional four mirror optical cavity for laser-Compton scattering, 2009, 2012
  5. KAKENHI, 2006, 2007
  6. KAKENHI, Efficient generation of polarized gamma-rays by using a pulse laser beam stacking cavity and an electron storage ring, 2006, 2008
  7. KAKENHI, Research for Hybrid System comprised Laser Super Cavity and Off-Axis Parabolic Reflective mirrors toward International Linear Collider, 2005, 2009
  8. KAKENHI, 2004, 2005
  9. KAKENHI, 2003, 2004
  10. KAKENHI, 2000, 2001
  11. 2014, 2018

Social Activities

Organizing Academic Conferences, etc.

  1. PosiPol2016, International Program Comittee, 2015/09, 2016/09
  2. ALCW2018, International Organizing Committee, 2018/01, 2018/06