Maxed unfolding code

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August undefined, 2024

Web4 Figure 2: The quality value, q, as a function of number of counts for three different unfolding techniques, namely MAXED (black), GRAVEL (green) and MAXED-L (red). Left panel for MPR and right panel for NE213. Figure 3: Left frame: Curves of the average q values for 100 MAXED unfolded spectra for a number of target χ2 values as a function of … Web1 jul. 2024 · The Gravel and MAXED unfolding codes have been applied in our study. The impact of different values of deconvolution parameters has been examined. The impact …

Comparison of unfolding codes for neutron spectrometry …

Weblow. At JET, the maximum entropy deconvolution code MAXED [5] has been used for the NE213 data unfolding, and the MFR was introduced in order to confirm these results independently [6]. Originally, MFR has been applied in plasma tomography [7] where the relation between the measured line integrals and unknown local emissivities is … Web14 mei 2007 · An investigation of the simultaneous unfolding of data from neutron spectrometers using the UMG codes MAXED and GRAVEL has been performed. This approach involves combining the data from the spectrometers before unfolding, thereby performing a single combined unfolding of all the data to yield a final combined spectrum. flittson beer

Propagation of uncertainties in unfolding procedures - ResearchGate

WebThe program MAXED applies the maximum entropy principle to the unfolding problem, and the program GRAVEL uses a modified SAND-II algorithm to do the unfolding. There are two versions of each: MXD_FC33 and GRV_FC33 for "few-channel" unfolding (e.g., Bonner … Web1 feb. 2014 · The code UMESTRAT (Unfolding Maximum Entropy STRATegy) is developed to apply this new strategy in a semi-automatic mode. The proposed approach gives also an indirect evaluation of the DRF consistency with the actual measurement accuracy by providing additional information on the DRF model and error. WebOptimization of MAXED input parameters with applications to the unfolding of neutron diagnostics data from the Joint European Torus Optimization of MAXED input parameters with applications to the unfolding of neutron diagnostics data from the Joint European Torus Rev Sci Instrum. 2024 Sep;90 (9):093505. doi: 10.1063/1.5097784. Authors great gatsby articles

Proccedings of the ISSSD 2012 ISBN 978-607-00-6167-7 Unfolding Code …

Experimental characterization of the neutron spectra generated by …

Web1 jun. 1998 · MAXED, a computer code for the deconvolution of multisphere neutron spectrometer data using the maximum entropy method Full Record Related Research … Web11 feb. 2011 · The two-step unfolding method consists on using the MAXED code in two different ways as follows: (a) To check whether the parameterization used in NUBAY was adequate by examining and modifying the features of the NUBAY output neutron spectrum that are not in agreement with the passive BSS measurements. (b) flitty antonymWebProccedings of the ISSSD 2012 ISBN 978-607-00-6167-7 70 Unfolding Code for Neutron Spectrometry Based on Neural Nets Technology J.M. Ortiz-Rodríguez1/*,H.R. Vega-Carrillo2, 1Unidad Académica de Ingeniería Eléctrica, Universidad Autónoma de Zacatecas, Zacatecas, 98000, México 2Unidad Académica de Estudios Nucleares, Universidad … great gatsby american dream quotes jay gatsby

"Webthat used to obtain neutron spectra by unfolding pulse height spectra. The differences are: firstly, an LS-signature is unfolded instead of a pulse height spectrum; and secondly the pulse height response matrix is replaced by the P-matrix. The Bayesian unfolding code MAXED(4) was used to unfold LS-signatures derived " - Maxed unfolding code

Maxed unfolding code

Neutron spectral measurement of the Ohio state research …

WebSpectrum unfolding, sensitivity analysis and propagation of uncertainties with the maximum entropy deconvolution code MAXED Reginatto, Marcel ; Goldhagen, Paul ; Neumann, Sonja MAXED was developed to apply the maximum entropy principle to the unfolding of neutron spectrometric measurements.

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http://www.lnf.infn.it/acceleratori/public/nescofi/archive/publications/Radiat%20Prot%20Dosimetry-2014-Barros-rpd_nct353.pdf WebThis article focuses on the unfolding of neutron data measured in D plasma experiments at JET by a compact broadband neutron spectrometer using the maximum entropy …

Web2 aug. 2007 · For the calibration measure- (1) control. The Bayesian unfolding code MAXED ments the phantom was removed from the neutron was used to determine the neutron energy spectra beam and data were taken in air with either the from pulse height spectra measured by the scintil- NE230 scintillator or a reference detector (NE213 lation … Web1 jun. 1998 · The main features of the code MAXED, a computer program developed to apply the maximum entropy principle to the deconvolution (unfolding) of …

WebThe program MAXED applies the maximum entropy principle to the unfolding problem, and the program GRAVEL uses a modified SAND-II algorithm to do the unfolding. There are … Web1 feb. 2007 · An investigation of the simultaneous unfolding of data from neutron spectrometers using the UMG codes MAXED and GRAVEL has been performed. This …

Webthe analysis can be totally unbiased. Several unfolding codes have been developed, e.g. MAXED [1], GRAVEL [2], etc. This paper evaluates how well these codes can unfold …

Web1 jul. 2024 · The Gravel and MAXED deconvolution codes have been applied to reconstruct the neutron spectrum of the DT NG. Both methods use a default, a priori, spectrum for … flit valley walkWeb1 dec. 2024 · Unfolding typically requires that Eq. (1) is represented in a discretised form, with the flux in the j th energy channel, Φ j, and the response, R i, j, shown in Eq. (2): (2) Z 0 i = ∑ j = 1 n R i, j Φ j j = 1, 2, …, n This gives a set of equations with m reaction channels and a neutron spectrum with n energy channels. flitty meaningWebThe genetic method can perform a coarse unfolding of the test spectra, potentially enough to perform an initial categorisation of the spectra. Promising results are obtained when genetic method is used in conjunction with the existing MAXED unfolding code, which operates on the maximum entropy principle. flitts mintsWeb14 mei 2007 · Investigation of combined unfolding of neutron spectra using the UMG unfolding codes Radiation Protection Dosimetry Oxford Academic Abstract. An … great gatsby attireWeb1 nov. 2024 · MAXED unfolding code has been used in order to reconstruct the default spectrum which is calculated by MCNP5. This initial reconstruction result will be used as criterion for selection of additional appropriate reaction and optimization of strategies of sample irradiation and γ -ray counting. Keywords Multi-foil activation method fli turtlebackWebThe uncertainty calculation is handled in the following way: given a solution spectrum generated by MAXED, the program IQU considers variations in the measured data and in the default spectrum and uses standard Methods to do sensitivity analysis and uncertainty propagation. There are two versions: IQU F C33 for 'few-channel' unfolding and IQU M ... flit valley walk routeWeb25 mei 2016 · Energy distributions of neutrons emitted from the interaction of 20 MeV protons incident on a thick Be target were estimated at two angles (0° and 90°) with respect to the incident beam using activation foils as threshold detectors. A recently developed unfolding code GAMCD based on Genetic Algorithm and Monte Carlo methods was … flit van hire oban