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The neutron is a subatomic hadron particle which has the symbol n or n, no net electric charge and a mass slightly larger than that of a proton. (

IEEE Organizations related to Neutron

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Conferences related to Neutron

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2015 IEEE International Conference on Plasma Sciences (ICOPS)

Basic Processes in Fully and Partially Ionized Plasmas; Microwave Generation and Plasma Interactions; Charged Particle Beams and Sources; High Energy Density Plasmas and Applications; Industrial, Commercial, and Medical Plasma Applications; Plasma Diagnostics; Pulsed Power and other Plasma Applications.

  • 2012 IEEE 39th International Conference on Plasma Sciences (ICOPS)

    Fully and partially ionized plasmas, microwave-plasma interaction, charged particle beams and sources; high energy density plasmas and applications, industrial and medical applications of plasmas; plasma diagnostics; pulsed power and other plasma applictions

  • 2011 IEEE 38th International Conference on Plasma Sciences (ICOPS)

    The ICOPS is the state of the art plasma science conference that covers all aspects of the general plasma science and its applications in various research fields.

  • 2010 IEEE 37th International Conference on Plasma Sciences (ICOPS)

  • 2009 IEEE 36th International Conference on Plasma Sciences (ICOPS)

    The conference features an exciting technical program with reports from around the globe about new and innovative developments in the field of pulsed power, plasma science and engineering. Leading researchers gather to explore pulsed power plasmas, basic plasma physics, high-energy-density-plasmas, inertial confinement fusion, magnetic fusion, plasma diagnostics, microwave generation, lighting, micro and nano applications of plasmas, medical applications and plasma processing.

  • 2008 IEEE 35th International Conference on Plasma Sciences (ICOPS)

    The 35th IEEE International Conference on Plasma Science will feature an exciting technical program with reports from around the globe about new and innovative developments in the field of plasma science and engineering: 1. Basic processes in fully and partially ionized plasmas 2. Microwave generation and plasma interactions 3. Charged particle beams and sources 4. High energy density plasmas applications 5. Industrial, commercial and medical plasma applications 6. Plasma diagnostics 7. Pulsed power

  • 2007 IEEE 34th International Conference on Plasma Science (ICOPS)

2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA)

The aim of the conference is to bring together scientific, academic and industrial communities interested in, or actively involved in research and developments related to nuclear instrumentation and measurement methods.

Periodicals related to Neutron

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Nuclear Science, IEEE Transactions 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.

Xplore Articles related to Neutron

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Multiuser Adaptive Radio Resource Allocation Based on OFDM Networks

Wang Jun; Wang Yong; Yang Xia; Zhang Ping 2006 6th International Conference on ITS Telecommunications, 2006

It is a challenging problem to efficiently allocate limited and varying network resources in the wireless communication networks to a variety of multiple services with different characteristics and requirements. Assuming knowing the instantaneous channel conditions of all users, we propose a reduced complexity adaptive radio resource allocation algorithm to maximize the frequency efficiency, while guaranteeing the quality of service (QoS) ...

Development of the Very Low Angle Detector for epithermal neutron scattering at low momentum transfers

E. Perelli-Cippo; G. Gorini; M. Tardocchi; O. Cremonesi; C. Andreani; A. Pietropaolo; R. Senesi; N. J. Rhodes; E. M. Schooneveld IEEE Symposium Conference Record Nuclear Science 2004., 2004

The design and prototype tests of the Very Low Angle Detector (VLAD) for epithermal neutron scattering at low momentum transfers are presented. The detector will be installed on the VESUVIO spectrometer at the ISIS spallation neutron source for so-called High-energy Inelastic Neutron Scattering (HINS) experiments. It will consist of an array of resonant detectors covering the scattering range 1°-5°. The ...

Neutron scattering data acquisition and control upgrades at the Lujan Center

P. Lewis; G. Cooper; F. Trouw; D. Barr; K. Knickerbocker; A. Shapiro 2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 2009

The Lujan Center at the Los Alamos National Laboratory's Neutron Science Center (LANSCE) is a spallation neutron source where research in materials, physics, and biological sciences is conducted on time-of-flight neutron scattering spectrometers. Execution of an experiment on a Lujan Center neutron spectrometer involves measurement of the neutrons scattered from the sample and the control of the associated sample environment ...

Compton scatter imaging in astrophysics

J. D. Kurfess IEEE Transactions on Nuclear Science, 1998

Compton telescopes have been an important tool in gamma-ray astronomy, most recently with the COMPTEL instrument on NASA's COMPTON Gamma Ray Observatory (CGRO). Scientific objectives in low/medium energy gamma-ray astronomy place highest priority on significant improvement in sensitivity relative to CGRO and ESA's planned INTEGRAL mission. The observational requirements include both discrete and extended sources, and narrow, broad, and continuum ...

PHELIX: Design and Analysis of a Transformer-Driven Liner Implosion System

Peter J. Turchi; William A. Reass; Christopher L. Rousculp; Robert E. Reinovsky; Jeffrey R. Griego; David M. Oro IEEE Transactions on Plasma Science, 2011

To provide substantial reduction in the size and energy of high-energy-density experiments, we have designed, built, and operated a liner implosion system that is driven by a multiturn-primary, single-turn-secondary, current step-up toroidal transformer. The Precision High Energy-density Liner Implosion eXperiment (PHELIX) pulsed-power driver, which is currently under development at Los Alamos National Laboratory, Los Alamos, NM, can provide >;400 kJ ...

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Educational Resources on Neutron

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Effects of neutron irradiation on Nd-Fe-B magnetic properties

Magnetics, IEEE Transactions on, 1988

Nd-Fe-B permanent magnets from two different manufacturers were irradiated in the Omega West reactor at Los Alamos National Laboratory, with fast neutrons at temperatures of 426 K (153 degrees C) and 350 K (77 degrees C) to fluences of 5.0*1016 N/cm2 and 6.1*1016 N/cm2, respectively. At intervals during the irradiation the samples were removed from the reactor and the remanence ...

Nonadiabatic small polarons, positive magnetoresistance, and ferrimagnetism behavior in the partially inverse <equation><font face='verdana'>Mn</font><sub>2-x</sub><font face='verdana'>V</font><sub>1+x</sub><font face='verdana'>O</font><sub>4</sub></equation> spinels

Journal of Applied Physics, 2009

We present experimental results of electrical resistivity (ρ), magnetoresistance (MR), Seebeck coefficient (S), and magnetic susceptibility (χ) experiments at high temperature on the spinel Mn2-xV1+xO4 series with x=0, 13, and 1, prepared by solid state reaction. The Rietveld analysis of neutron powder diffraction (NPD) patterns confirm the expected cubic symmetry (SG: Fd- 3m) with cell parameters around 8.5 Å. We ...

Radiation damage by neutrons to plastic scintillators

Nuclear Science, IEEE Transactions on, 1995

Polystyrene based scintillator SCSN38, wavelength shifter Y7 with polymethylmethacrylate matrix and pure PMMA light guide GS218 have been irradiated in the mixed radiation field of a pool reactor. About 77% of the dose released in SCSN38 was caused by the γ-field, 23% by fast neutrons. The total dose ranged from 2 to 105 kGy. The dose measurements were made using ...

Nuclear Auxiliary Power Unit for Lunar Exploration

Nuclear Science, IRE Transactions on, 1962

Unmanned soft lunar landing experiments by the United States are currently being planned by the National Aeronautics and Space Administration. All of these experiments will require some form of electrical power; and their success or failure will depend upon the development of a suitable, reliable electrical power generation system. The system utilized must be compact, lightweight and rugged. Certain requirements ...

Finite element modeling of anisotropic properties of Cu-Ag metal matrix composites

Applied Superconductivity, IEEE Transactions on, 2000

This research investigated the sensitivity of the mean phase strains in a heavily drawn copper-silver fiber composite to the inherent mechanical anisotropies resulting from the texture produced by the drawing process. The work performed here is a precursor to the neutron diffraction experiments to be performed to advance the understanding of the residual stress development during the fabrication process and ...

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  • Nuclear Power

    Nuclear power plants utilize the energy released in a nuclear reaction as the source of thermal energy to heat steam which in turn drives a steam turbine that is connected to a generator to generate electricity. The most common fuel used as a source of this nuclear reaction is uranium. This chapter discusses the differences between alpha, beta, gamma, and neutron byproducts of nuclear reactions. A reactor is a vessel that contains the nuclear fuel, control rods, and other systems to support the nuclear reaction. The boiling water reactor BWR design utilizes light water for both coolant and moderator. The boiling water reactor (BWR) only has one loop and the reactor is the "boiler" in the thermodynamic cycle. The pressurized heavy water reactor (PHWR) uses heavy water as the moderator. Heavy water is a molecule that contains deuterium and oxygen as compared with light water which is a molecule that contains hydrogen and oxygen.

  • Openflow and SDN for Clouds

    This chapter discusses the interdependencies between cloud computing and software-defined networks (SDNs) in application platforms. It considers the basic use case of web browsing to introduce the basic issues in the interplay between cloud computing and SDN. The chapter discusses the features and advantages of SDN and its Open-flow. It also discusses cloud computing and introduces OpenStack focusing on the networking service provided by its Neutron project. The chapter examines challenges and issues in combining SDN and cloud computing, and highlights the important role of Open vSwitch in providing network connectivity to virtual machines (VMs). The chapter introduces the OpenDaylight open-source project and shows how SDN and cloud computing come together, and introduces the notion software-defined infrastructures. The chapter provides an integrated view of SDN and cloud computing. It concludes with a brief discussion of research trends and challenges in SDN for cloud computing.

  • Wireless, Invessel Neutron Monitor for Initial CoreLoading of Advanced Breeder ReactorsResearch sponsored by the Division of Research and Technology, U.S . Department of Energy under contract W7405eng26 with the Union Carbide Corporation.

    An experimental wireless, in-vessel neutron monitor is being developed to measure the reactivity of an advanced breeder reactor as the core is loaded for the FIRST time to preclude an accidental criticality incident. The environment is liquid sodium at a temperature of 220°C, with negligible gamma or neutron radiation. With ultrasonic transmission of neutron data, no fundamental limitation has been observed after tests at 230°C for >2000 h. The neutron sensitivity was l count/s-nv, and the potential data transmission rate was 104 counts/s

  • Neutron Induced Upset

    This chapter contains sections titled: Neutron Upsets in Avionics Upsets at Ground Level

  • Neutron Soft Error Rate Characterization of Microprocessors

    This chapter contains sections titled: Introduction Semiconductor Manufacturing Scaling Trends Neutron SER Characterization Experimental Results Conclusions Acknowledgment References

  • MOS Components of IGBT

    General Considerations MOS Structure Analysis and Threshold Voltage Current-Voltage Characteristics of MOSFET; Transconductance and Drain Resistance On-Resistance Model of DMOSFET and UMOSFET MOSFET Equivalent Circuit and Switching Times Safe Operating Area (SOA) Neutron and Gamma-Ray Damage Effects Thermal Behavior of MOSFET DMOSFET Cell Windows and Topological Designs Summary and Trends Review Exercises References Appendix 3.1: Derivation of Eqs. (3.2a) and (3.2b) Appendix 3.2: Derivation of Eq. (3.7) Appendix 3.3: Derivation of the Equations for Bulk Semiconductor Potential B and the Surface Charge Qs at the Point of Transition into Strong Inversion Appendix 3.4: Derivation of Eqs. (3.33)-(3.36) Appendix 3.5: Derivation of Eq. (3.39) Appendix 3.6: Derivation of Eq. (3.49)

  • Phonon Transport in Si Nanostructures

    This chapter develops a Monte Carlo (MC) method for solving the phonon Boltzmann transport equation (BTE) to perform more accurate heat transfer simulations in nanoscale Si devices. In order to evaluate the thermal conductivity, one can adopted one particle MC method, which enables obtaining the statistical convergence efficiently. The chapter uses the MC simulator to analyze the quasi¿¿¿ballistic phonon transport effect on the heat conduction in Si. It considers that the MC method is a good tool for studying the mixture regime between the ballistic and diffusive nature for the phonon transport. The chapter shows the realistic dispersion relation of phonons in bulk Si calculated from the adiabatic bond charge model, whose accuracy was validated through comparison with experimental neutron scattering data. The thermal conductivity of Si nanowires (SiNWs) was also calculated using the MC simulator. In nanostructures, phonons are frequently scattered at boundaries, which significantly impedes heat conduction.

  • Analysis of Neutron Damage in HighTemperature Silicon Carbide JFETs

    Neutron-induced displacement damage effects in n-channel, depletion-mode junction-fleld-effect transistors (JFETs) fabricated on 6H-silicon carbide are reported as a function of temperature from room temperature (RT) to 300°C. The data are analyzed in terms of a refined model that folds in recently reported information on the two-level ionization energy structure of the nitrogen donors. A value of 5 ± 1 cm-3 per n/cm2 is obtained for the deep- level defect introduction rate induced by the neutron irradiation. Due to partial ionization of the donor atoms at RT, the carrier removal rate is a function of temperature, varying from 3.5 cm-1 at RT to 4.75 cm-1 at 300°C. The relative neutron effect on carrier mobility varies with temperature approximately as T-7/2, dropping by an order of magnitude at 300°C compared with the RT effect. The results offer further support for the use of SiC devices in applications which combine high-temperature and severe radiation environments, where the use of Si and GaAs technologies is limited.

  • Antiferromagnetism

    This chapter contains sections titled: Introduction Neutron Diffraction Studies Molecular Field Theory of Antiferromagnetism Some Experimental Results for Antiferromagnetic Compounds The Indirect Exchange Interaction More Advanced Theories of Antiferromagnetism Crystalline Anisotropy: Spin Flopping Metals and Alloys Canted Spin Arrangements Domains in Antiferromagnetic Materials Interfacial Exchange Anisotropy

  • Antiferromagnetism

    This chapter contains sections titled: Introduction Molecular Field Theory Neutron Diffraction Rare Earths Antiferromagnetic Alloys Problems

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