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Gamma-ray spectroscopy is the qualitative study of the energy spectra of gamma-ray sources, such as in the nuclear industry, geochemical investigation, and astrophysics. Gamma-ray spectrometry , on the other hand, is the method used to acquire a quantitative spectrum measurement.
A gamma-ray spectrometer (GRS) is an instrument for measuring the distribution (or spectrum—see figure) of the intensity of gamma radiation versus the energy of each photon. The study and analysis of gamma-ray spectra for scientific and technical use is called gamma spectroscopy , and gamma-ray spectrometers are the instruments which observe ...
Total absorption spectroscopy is a measurement technique that allows the measurement of the gamma radiation emitted in the different nuclear gamma transitions that may take place in the daughter nucleus after its unstable parent has decayed by means of the beta decay process. [1]
A Mössbauer absorption spectrum of 57 Fe. Mössbauer spectroscopy is a spectroscopic technique based on the Mössbauer effect.This effect, discovered by Rudolf Mössbauer (sometimes written "Moessbauer", German: "Mößbauer") in 1958, consists of the nearly recoil-free emission and absorption of nuclear gamma rays in solids.
In pulse-height analysis (PHA) mode, incoming pulses are characterized based on their amplitude (peak voltage). The output spectrum is a histogram of these pulses, where the height of each channel corresponds to the number pulses counted within a narrow range of amplitudes. The resolution of the output spectrum depends on the number of channels ...
Tracking algorithms can be applied to information from the pulse-shape analysis (positions of the interaction points together with the energy deposited at each point, and signal timing) in order to reconstruct the path of each gamma ray through the AGATA spectrometer, including possible scattering from one crystal to another.
Prompt-gamma neutron activation analysis (PGAA) is a very widely applicable technique for determining the presence and amount of many elements simultaneously in samples ranging in size from micrograms to many grams. It is a non-destructive method, and the chemical form and shape of the sample are relatively unimportant.
In spectroscopy, a Voigt profile ... It is widely used in the field of quasar absorption line analysis. [3] Pseudo-Voigt approximation ... (x, sigma, gamma) ...
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