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Nuclear Science, IEEE Transactions on

Issue 2 • Date April 1964

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Displaying Results 1 - 13 of 13
  • Table of contents

    Publication Year: 1964 , Page(s): c1
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  • IEEE Professional Technical Group on Nuclear Science

    Publication Year: 1964 , Page(s): c2
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  • The Nucleus

    Publication Year: 1964 , Page(s): i
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  • Application of Optimum Control to Nuclear Reactor Start-Up

    Publication Year: 1964 , Page(s): 1 - 9
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1063 KB)  

    A simplified form of the reactor kinetics equations is developed which is suitable for application of optimization techniques. The mechanization of the simplified reactor kinetics equations uses instruments already developed. Optimization techniques are applied to a desired start-up program of constant period followed by operation at constant power. The optimum controller which results is relative... View full abstract»

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  • Linear Parallel to Serial Conversion

    Publication Year: 1964 , Page(s): 10 - 15
    Cited by:  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (548 KB)  

    The system accepts up to 21 simultaneous pulses in parallel and forms a train of pulses for the display on a single channel scope. Representative pulses have the following characteristics: ~15 nsec wide at the base line, ~5 nsec rise time, ~1 ma peak current. Each channel contains a linear gate, controlled by the same event pulse. Upon arrival of the event pulse, the 21 channels open simultaneousl... View full abstract»

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  • Behavior of Tunnel Diode Amplitude Discriminators

    Publication Year: 1964 , Page(s): 16 - 23
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1056 KB)  

    The dependence of the output of a tunnel diode amplitude discriminator on the excess over threshold is analyzed; the input pulse is assumed to be from a scintillation counter. An approximate formula for the maximum delay introduced is given. The results of numerical integration are summarized in a diagram, allowing the calculation of the delay introduced for various values of excess over threshold... View full abstract»

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  • A Transistorized Fail-Safe High-Low Trip

    Publication Year: 1964 , Page(s): 24 - 27
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (571 KB)  

    The paper describes a novel transistorized trip circuit which was designed according to A.C. fail safe principles, the circuit trips being on high and low levels, thus indicating off normal input conditions. Both levels are detected by a single regenerative comparator. The output decays within 3 msec after a trip condition, independent of input signal slope or level. The circuit posseses an inhere... View full abstract»

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  • A Fast-Slow Coincidence System Employing a Multichannel Time Display

    Publication Year: 1964 , Page(s): 28 - 38
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    A versatile, solid-state Fast-Slow Coincidence system is described which is used with large NaI(Tl) scintillators and XP1040 photomultipliers. A multichannel time display is provided which consists of a time-to-amplitude converter of the "start-stop" type and a standard 100-channel kicksorter. The calibration of the time analyzer can be varied from 1 nsec to 0.1 nsec per channel. In addition to sh... View full abstract»

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  • Telemetry Circuits in a Pulsed Radiation Environment

    Publication Year: 1964 , Page(s): 39 - 50
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (3618 KB)  

    Radiation effects have become a serious problem for designers of space vehicle electronic equipment. By simulating the environment and irradiating various components and circuits more and more data have become available for engineering application. However, it has not been possible to simulate the pulsed radiation environment correctly, because it has not been possible to obtain the high radiation... View full abstract»

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  • Plasma Diagnostics in Supersonic Flow Containing Cesium and Potassium

    Publication Year: 1964 , Page(s): 51 - 63
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    Electron density, collision frequency and electron extinction rates have been computed from microwave absorption measurements on the exhaust plumes of solid propellant rocket motors burning CsNO3:Al and KNO3:Al The plasma was generated by burning the fuel at a chamber pressure above 100 psi, and expanding the gases through an orifice to an ambient pressure of 1 Torr. The plume consists of both gas... View full abstract»

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  • Fail-Safe Circuits for Nuclear Protective Systems

    Publication Year: 1964 , Page(s): 64 - 70
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2834 KB)  

    The article describes a new set of fail-safe logic blocks particularly suited to safety systems. The input information is normally +5V; in case of alarm, the input drops to 0V. Fundamental blocks (AND, OR, NOT, etc.) are pulse-modulated, so as to achieve 0V output voltage in case of failure. More complex logic function can be synthesized and redundancy can be employed in order to avoid erroneous a... View full abstract»

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  • Contributors

    Publication Year: 1964 , Page(s): 71 - 73
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  • Information for authors

    Publication Year: 1964 , Page(s): 73a
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Aims & Scope

IEEE Transactions on Nuclear Science focuses on all aspects of the theory and applications of nuclear science and engineering, including instrumentation for the detection and measurement of ionizing radiation; particle accelerators and their controls; nuclear medicine and its application; effects of radiation on materials, components, and systems; reactor instrumentation and controls; and measurement of radiation in space.

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