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Friday, May 15, 2020 | History

2 edition of ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8 found in the catalog.

ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8

D J Williams

ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8

Ep> 50 keV, Ee> 30 keV

by D J Williams

  • 270 Want to read
  • 24 Currently reading

Published by Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Space Environment Laboratory in Boulder, Colo .
Written in English

    Subjects:
  • Calcutron,
  • Electromagnets,
  • Ions,
  • Electrons

  • Edition Notes

    StatementD. J. Williams ; Space Environment Laboratory
    SeriesNOAA technical report ; ERL 393-SEL 40
    ContributionsSpace Environment Laboratory, Environmental Research Laboratories (U.S.)
    The Physical Object
    Paginationiii, 18 p. :
    Number of Pages18
    ID Numbers
    Open LibraryOL17956303M

      Abstract. In this paper, a novel integrated solid-state solution is proposed to replace the vacuum-based photomultiplier tube and other constituent components of the Everhart–Thornley detector, which has been widely used for secondary electron detection in scanning electron by: 3. Abstract. The effect of an external magnetic field on the nuclear spin ordering in solid 3 He has been observed for fields up to T. For B ≲ T the ordering is similar to the zero field transition reported by Halperin, et al. and the transition temperature is depressed by the higher fields, however, the ordering region is broadened and moves to significantly higher Author: R. B. Kummer, E. D. Adams, W. P. Kirk, A. S. Greenberg, R. M. Mueller, C. V. Britton, D. M. Lee.

    Description of the RF detection system The detection system uses radio frequency energy to detect the unauthorized removal of library materials. It will detect tagged materials concealed by bags, briefcases, clothing, etc and will not alarm for most personal items. The system is safe to individuals and personal property and does not erase or affect magnetic tapes, discs, film, Size: KB. a) Amplifier b) Photodetector c) GM counter d) Radiofrequency detector. Answer: d Explanation: When energy is absorbed by the sample, the absorption can be observed as a change in signal developed by radiofrequency detector. It is then given to an amplifier. 8. Which of the following are considered to be the lowest form of Electromagnetic radiation?

    In a previous study (Dinesh et al., ), the determination of suitable RF detectors for detection of WSDs was conducted via the measurement of operating bandwidth and power level threshold. Si detectors for high energy particles 2 Si detectors for scintillator coupling 4 New approaches Active area Dark current and junction capacitance Response speed 1 Characteristics Thickness of depletion layer Channeling effect Pulse height defect Noise and energy resolution Si detectors for position detection.


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Ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8 by D J Williams Download PDF EPUB FB2

Ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8. Boulder, Colo.: Space Environment Laboratory, Environmental Research Laboratories, (OCoLC) Material Type: Government publication, National government publication, Internet resource: Document Type: Book, Internet Resource.

The ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8: E[proton]>̲ 50 keV, E[electron]>̲ 30 keV Personal Author: Williams, D. (Donald J.)Author: James M. Crossen, Paul S.

Galtsoff. The ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8: E[proton] >̲ 50 keV, E[electron] >̲ 30 keV / D.J.

: D. Williams. The ion-electron magnetic separation and solid state detector detection system flown on IMP 7 and 8: E[proton] >̲ 50 keV, E[electron] >̲ 30 keV / (Boulder, Colo.: Space Environment Laboratory, Environmental Research Laboratories, ), also by D.

Williams (page images at HathiTrust). Williams, D. () The ion-electron magnetic separation and solid state detector detection system flown on IMP-7 and 8: > 50 keV, E, > 30 keV. Tech. Rep. ERL SEL 40 Cited by: For instance, assume that x(t) is a result of passing some signal from a sensor through an acquisition system with linear response, and that two components of this system have transient characteristics well described by H τ =θ(t)(1−e −t/τ).Cited by: 6.

An improved electron ionization (EI) ion source is described, based on the modification of a Brink-type EI ion source through the addition of a second cage with a fine mesh outside the ion chamber.

The added outer cage shields the inner ion cage (ionization zone) against the penetration of the filament and electron repeller potentials, and thus results in the provision of ions with narrower Cited by: Heat detectors are the oldest type of automatic fire detection device.

They began development of automatic sprinklers in the s and have continued to the present with proliferation of various types of devices. Heat detectors that only initiate an alarm and have no extinguishing function are still in use.5/5(5). Fire Detection and Alarm.

System Basics Hochiki America Corporation Village Drive, Suite Buena Park, California Fire Detection and Alarm Systems A key aspect of fire protection is to identify a developing fire emergency in a timely manner, and to alert the building's occupants and fire emergency organizations.

This is the role of fire detection and alarm systems.5/5(7). A new type of ion detector for mass spectrometry and general detection of low energy ions is presented. The detector consists of a scintillator optically coupled to a single-photon avalanche photodiode (SPAD) array.

A prototype sensor has been constructed from a LYSO (LuYSiO5(Ce)) scintillator crystal coupled to a commercial SPAD array by: On Apfrom to UT, conditions varied from quiet to disturbed both on the ground and in the geomagnetotail corresponding to the northward and southward interplanetary magnetic Cited by: 4.

Precipitating Ion and Electron Detectors (SSJ/4) for the Block 5D/Flight 8 DMSP (Defense Meteorological Satellite Program) Satellite Article (PDF Available) February with Reads.

Two designs of 15‐stage electron multiplier wherein focusing from one beryllium copper dynode to the next occurs in crossed electric and magnetic fields have been developed particularly for detection of weak beams or pulses of positive ions in magnetic fields.

One, with dynodes ⅜ in. wide, is usable in fields between about and oersteds while the other, with dynodes ⅛ in. wide, is Cited by: The electron collection efficiency was calculated of a system built up with a solid-state detector in a homogeneous magnetic field.

Calculations were made both for a point-source and for sources not negligible in size compared to the detector. A simple connection between efficiency and system parameters was found for a by: 1.

NUCLEAR INSTRUMENTS AND METHODS 98 () I9I; NORTH-HOLLAND PUBLISHING CO. MEASUREMENTS OF ELECTRON DETECTION EFFICIENCIES IN SOLID STATE DETECTORS J. LUPTON and E. STONE California Institute of Technology, Pasadena, CaliforniaU.S.A. Received 20 September Detailed laboratory measurements have been made of the electron response of solid state detectors Cited by: 9.

Detection of Photons and Electrons Using a Semiconductor Alpha Detector. (a) (b) Fig. 2 (a) Schematic representation of the measurement geometry. The sources (Table 1) were measured at ambient air pressure using a SDD of 12 mm (SDD = 13 mm for 57Co, Am and 90Sr because of somewhat different source dimensions).Cited by: 2.

energy stored in a magnetic field of detector is much bigger, than in a dipole magnet (say, the LHC. one), so this is making operational safety margins big enough if operated at reduced level; so this.

protects the SC coil against quench. Radiation Detector Problem. How many ion pairs are created in a Geiger counter by a MeV alpha particle if 30 eV is required create an ion pair and the detection efficiency of the counter is 80%.

A new low‐energy‐electron‐diffraction (LEED) instrument is described that combines resistive‐anode‐based position‐sensitive detectors with a high‐resolution electron gun capable of producing a beam having high spatial coherence (large instrument transfer width).

The system produces digitized images of LEED patterns as well as high‐resolution spot profiles of individual beams Cited by: 6. The use of resistive charge division based solid-state detectors for position sensing of electrons has been studied.

The operational conditions having importance for device performance are considered for one- and two-dimensional detectors manufactured by SiTek®.

The parameter of main interest has been position resolution. Good linearity with a spatial resolution of mm is obtained under Cited by: 2.

A linear wire ion trap (LWIT) with both electron ionization (EI) and single photon ionization (SPI) sources was built. The SPI was provided by a vacuum ultraviolet (VUV) lamp with the ability to softly ionize organic by: 4.The Magnetic Analysis Magnetism Detector is widely used by steel suppliers and fabricators to indicate the degree and polarity of residual magnetism in ferrous products.

Easy to use, simply place the base of the indicating needle against the object you are testing/5(8). Abstract. Gaseous ionization detectors depend on the ionization of the gaseous media due to the passage of ionizing radiation.

The primary electrons/ions are transported and amplified through the application of suitable electromagnetic configuration and, Author: Supratik Mukhopadhyay.