Determination of the Ion‐Induced Electron Yield from a Statistical Treatment of Pulse‐Height Distribution Curves Measured with an Ion‐Electron‐Scintillation Detector

1972 ◽  
Vol 43 (4) ◽  
pp. 1524-1529 ◽  
Author(s):  
H. W. Werner ◽  
J. v. d. Berg
Keyword(s):  
Scintillation Detector ◽  
Statistical Treatment ◽  
Pulse Height ◽  
Height Distribution ◽  
Pulse Height Distribution ◽  
Electron Yield

Evaluation of the Energy Dispersive Detector as a Detector-Filter System for the X-Ray Diffractometer

1972 ◽  
Vol 16 ◽  
pp. 322-335 ◽  
Author(s):  
Davis Carpenter ◽  
John Thatcher
Keyword(s):  
Scintillation Detector ◽  
Pulse Height ◽  
Good Deal ◽  
Energy Dispersive ◽  
Maximum Efficiency ◽  
Height Distribution ◽  
Pulse Height Distribution ◽  
Pulse Height Analyzer ◽  
X Ray ◽  
Detector Pulse

AbstractA comparison of the relative merits of the energy dispersive derector-pulse height analyzer, scintillation detector-graphite monochromator, and proportional detector-pulse height analyzer combinations.Typical energy dispersive detectors are not configured for maximum efficiency on the diffractometer. Being only on the order of 3 mm diameter, a good deal of the available information is not collected by the detector. This is especially true with the Wide optics found in modern diffractometers. The energy dispersive detector incorporated into this system is optimized for the x-ray diffractometer. Its detection area is a 1.25 X 0.25 inch rectangle. The resolution is only sufficient to remove the Kβ portion of the spectrum.Conventional diffractometer techniques incorporate either a scintillation detector-crystal monochromator, or a proportional detector-pulse height analyser combination. The question posed is “what are the advantages in signal to noise ratio and pulse height distribution of the energy dispersive-pulse height analyzer over the more conventional arrangements.”

Energy Distributions of 662 keV Multiply Compton-Scattered Photons in Copper

2016 ◽  
Vol 675-676 ◽  
pp. 726-729
Author(s):  
Pruek Prongsamrong ◽  
Kittipong Siengsanoh ◽  
P. Limkitjaroenporn ◽  
P. Kanchanakul ◽  
J. Kaewkhao
Keyword(s):  
Intensity Distribution ◽  
Scintillation Detector ◽  
Pulse Height ◽  
Compton Effect ◽  
Height Distribution ◽  
Pulse Height Distribution ◽  
Energy Distributions ◽  
Scattering Angle

A scattered photons spectrum from Compton effect were observed by pulse-height distribution of a NaI(Tl) scintillation detector. This also results in extraction of intensity distribution of multiply scattered events originating from interactions of 662 keV photons with both targets of copper sizes. The observed pulse-height distributions are a combination of singly and multiply scattered events in same photopeak. To evaluate the contribution of multiply scattered events, the spectrum of singly scattered events used reconstructed analytically. The results show that the lowest multiply scattered events occur at scattering angle 90 degree.

scholarly journals Emission Spectrochemical Determination of Boron in Steels with Pulse Height Distribution Analyzer

1983 ◽  
Vol 69 (2) ◽  
pp. 326-332 ◽  
Author(s):  
Minao ITO ◽  
Shoki SATO ◽  
Hiroshi FUSHIDA ◽  
Masanao NARITA
Keyword(s):  
Pulse Height ◽  
Height Distribution ◽  
Pulse Height Distribution

Comparison of Experimental Techniques to Improve Peak to Background Ratios in X-ray Powder Diffractometry

1988 ◽  
Vol 32 ◽  
pp. 601-607
Author(s):  
William K. Istone ◽  
John C. Russ ◽  
William D. Stewart
Keyword(s):  
Limit Of Detection ◽  
Pyrolytic Graphite ◽  
Pulse Height ◽  
Phase Identification ◽  
Height Distribution ◽  
Pulse Height Distribution ◽  
Digital Pulse ◽  
Qualitative Phase ◽  
Analysis Determination

AbstractHigh peak to background ratios are especially important in powder diffractometry when attempting to identify minor phases in a sample or improving the limit of detection in quantitative determinations. Instrumental techniques to improve peak to background generally involve the employment of monochromatic or partially monochromatic radiation through the use of filters, crystal monochrometers, or pulse height discriminators.In this study, a digital pulse height discriminator, configured as a card in a personal computer (Apple IIe) with appropriate software, is used in conjunction with a scintillation detector to improve peak to background ratios. The software allows the pulse height distribution to be scanned and the optimum pulse height window to be set for a given set of sample and instrumental conditions. Results obtained by this technique are directly compared with results obtained using a pyrolytic graphite monochrometer and beta filters. Examples cited include qualitative phase identification in both fluorescent and non-fluorescent samples and semi-micro quantitative analysis (determination of airborne silica).

scholarly journals Emission Spectrochemical Determination of Aluminium in Steels by Two-intensity Method with Pulse Height Distribution Analyzer

1983 ◽  
Vol 69 (10) ◽  
pp. 1350-1357
Author(s):  
Minao ITO ◽  
Minoru YANAGYIDA ◽  
Hiroshi FUSHIDA ◽  
Masanao NARITA
Keyword(s):  
Pulse Height ◽  
Height Distribution ◽  
Pulse Height Distribution

scholarly journals Measurement of the angular distribution of neutrons scattered from deuterium below 3 MeV

2020 ◽  
Vol 239 ◽  
pp. 01016
Author(s):  
Elisa Pirovano ◽  
Ralf Nolte ◽  
Markus Nyman ◽  
Arjan Plompen
Keyword(s):  
Angular Distribution ◽  
Differential Cross Section ◽  
Cross Section ◽  
Differential Cross ◽  
Detection Method ◽  
Pulse Height ◽  
Height Distribution ◽  
Pulse Height Distribution ◽  
Legendre Expansion

The differential cross section of neutron scattering on deuterium was investigated in the energy range from 400 keV to 2.5 MeV using the recoil detection method, irradiating with monoenergetic neutrons a proportional counter filled with deuterated gases. Comparing simulations of the transport of neutrons and recoil nuclei in the detector to the experimental pulse-height distribution, it was possible to establish a procedure for the determination of the coefficients of the Legendre expansion of the n-d angular distribution.

Energy-dependent dead-time correction in digital pulse processors applied to silicon drift detector's X-ray spectra

2018 ◽  
Vol 25 (2) ◽  
pp. 484-495 ◽  
Author(s):  
Suelen F. Barros ◽  
Vito R. Vanin ◽  
Alexandre A. Malafronte ◽  
Nora L. Maidana ◽  
Marcos N. Martins
Keyword(s):  
Dead Time ◽  
Pulse Height ◽  
Height Distribution ◽  
Pulse Height Distribution ◽  
Dead Time Correction ◽  
Time Model ◽  
X Ray ◽  
Digital Pulse ◽  
Analytical Correction ◽  
Energy Dependent

Dead-time effects in X-ray spectra taken with a digital pulse processor and a silicon drift detector were investigated when the number of events at the low-energy end of the spectrum was more than half of the total, at counting rates up to 56 kHz. It was found that dead-time losses in the spectra are energy dependent and an analytical correction for this effect, which takes into account pulse pile-up, is proposed. This and the usual models have been applied to experimental measurements, evaluating the dead-time fraction either from the calculations or using the value given by the detector acquisition system. The energy-dependent dead-time model proposed fits accurately the experimental energy spectra in the range of counting rates explored in this work. A selection chart of the simplest mathematical model able to correct the pulse-height distribution according to counting rate and energy spectrum characteristics is included.

Sign in / Sign up

Export Citation Format

Share Document