Search Results - "Tamano, T."
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1
Generalized scaling laws of the formation and effects of plasma-confining potentials for tandem-mirror operations in GAMMA 10
Published in Physical review letters (07-05-2001)“…The main operations from 1979 to 2000 in the GAMMA 10 tandem-mirror, characterized in terms of the high-potential mode having kV-order plasma-confining…”
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2
Tomographic reconstruction of plasma electron temperature profiles using semiconductor detector arrays in the elliptic transition region and the circular central cell of the GAMMA 10 tandem mirror
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-01-2002)“…Elliptically shaped transition-region plasmas located between circularly shaped central cell and fish-tail shaped anchor-cell plasmas have been observed using…”
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3
Absolute calibration of space-resolving soft X-ray spectrograph for plasma diagnostics
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-07-2001)“…A grazing incidence flat-field soft X-ray (20–350 Å) spectrograph was constructed and applied for impurity diagnostics in the GAMMA 10 fusion plasma. The…”
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4
Observation of Gentle Hump Structure on Energy Distribution Functions of End-Loss Ions in the rf-Driven Tandem Mirror Plasma
Published in Physical review letters (25-10-1999)Get full text
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5
Effects of nuclear fusion produced neutrons on silicon semiconductor plasma X-ray detectors
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-01-2002)“…The effects of nuclear fusion produced neutrons on the X-ray energy responses of semiconductor detectors are characterized. The degradation of the response of…”
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6
A novel method for simultaneous observations of plasma ion and electron temperatures using a semiconductor-detector array
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-01-2002)“…A new method for a simultaneous observation of both plasma ion and electron temperatures is proposed using one semiconductor-detector array alone. This method…”
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7
Dopant boron concentration dependence on electron irradiation enhanced defects in Czochralski silicon
Published in Physica. B, Condensed matter (01-12-2001)“…Positron annihilation lifetime experiments have been performed for CZ-Si with B concentration ranging over 8.3×10 17–2.5×10 20/cm 3 irradiated with 6 MeV…”
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A diagnostic method for both plasma ion and electron temperatures under simultaneous incidence of charge-exchange particles and x rays into a semiconductor detector array
Published in Applied physics letters (10-01-2000)“…An idea for using semiconductor detectors to simultaneously observe both plasma ion Ti and electron Te temperatures is proposed. The idea is also…”
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9
Relaxation of pressure anisotropy due to Alfvén-ion-cyclotron fluctuations observed in ion-cyclotron-range-of-frequency-heated mirror plasmas
Published in Physical review letters (03-05-1993)“…Alfven-ion-cyclotron modes are generated over a wide range of anisotropy parameter [beta][sub [perpendicular]]([ital T][sub [perpendicular]]/[ital T][sub…”
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10
Complexes of point defects and hydrogen generated by electron-irradiation of hydrogenated Si at low temperatures
Published in Physica. B, Condensed matter (01-12-2001)“…We studied point defects generated by electron-irradiation of hydrogenated Si crystals at low temperatures from the measurement of optical absorption due to…”
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11
Neutral particle transport under strong hydrogen recycling condition in the GAMMA 10 central cell
Published in Journal of nuclear materials (01-03-1999)“…In order to understand the behavior of neutral hydrogen in ICRH plasmas of the GAMMA 10 tandem mirror, we tried new simulations of neutral transport by using…”
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12
ECE-imaging work on GAMMA 10 and LHD
Published in Fusion engineering and design (2001)“…Millimeter-wave two-dimensional (2-D) imaging array in the frequency range of 70 GHz has been developed for the application to the GAMMA 10 tandem mirror at…”
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13
Behavior of neutral-hydrogen and particle confinement on GAMMA 10 tandem mirror plasmas
Published in Journal of nuclear materials (01-01-1997)“…Behavior of neutral hydrogen in the central-cell of the GAMMA 10 tandem mirror is investigated by measuring spatial-profiles of Hα line-emission and neutral…”
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14
Characteristics of carbon sheet pump in application experiments to a high-temperature plasma device
Published in Journal of nuclear materials (01-03-1999)“…Carbon sheet pump (CSP), which has been developed for reduction of hydrogen recycling in the large helical device (LHD) of National Institute for Fusion…”
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15
Charge exchange neutral particle analysis on ICRF-heated plasmas in the GAMMA10 tandem mirror
Published in Fusion engineering and design (01-03-1997)“…The ion energy balance in the central cell of the GAMMA10 tandem mirror is investigated for ICRF-heated plasmas on the basis of ion temperatures determined…”
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16
Reflectometric density profile measurement using an ultrafast sweep oscillator
Published in Fusion engineering and design (01-03-1997)“…A broad band frequency modulation reflectometer system has been installed and operated on the GAMMA 10 tandem mirror. A fast sweep hyperabrupt varactor-tuned…”
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17
Rotation of Cylindrical Plasmas in the GAMMA 10 Tandem Mirror
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18
Studies of fueling, particle transport and impurity behavior in the GAMMA 10 tandem mirror
Published in Journal of nuclear materials (01-04-1995)“…In this paper we describe the experimental results on the evaluation of fueling in the central region of the GAMMA 10 tandem mirror on the basis of the neutral…”
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19
Applications of a new theory on the X-ray energy responses of semiconductor detectors to plasma X-ray diagnostics
Published in Fusion engineering and design (01-03-1997)“…Our recently proposed theory on X-ray energy responses of semiconductor detectors is based on the physics principle of the three-dimensional diffusion of…”
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20
Evaluation of the background signal for mass spectrometry under high ambient hydrogen pressures in plasma discharges
Published in Journal of vacuum science & technology. A, Vacuum, surfaces, and films (01-09-1995)“…The background signal of a quadrupole mass spectrometer (QMS) has been evaluated under high ambient hydrogen pressures. Hydrogen gas is injected into a vacuum…”
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