Search Results - "Santos, Adimir dos"

Monte Carlo MCNP-4B-Based Absorbed Dose Distribution Estimates for Patient-Specific Dosimetry by Yoriyaz, Helio, Stabin, Michael G, Santos, Adimir dos

“…This study was intended to verify the capability of the Monte Carlo MCNP-4B code to evaluate spatial dose distribution based on information gathered from CT or…”
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REACTOR NOISE EXPERIMENTS CONSIDERING HIGH FREQUENCIES IN THE IPEN/MB-01 REACTOR by dos Santos, Adimir, dos Santos, Diogo Feliciano

“…Reactor noise experiments at high frequencies (up to 100 kHz) in subcritical configurations have been performed at the IPEN/MB-01 research reactor facility…”
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APSD up to 100 kHz dataset measured in the IPEN/MB-01 research reactor facility by dos Santos, Diogo Feliciano, dos Santos, Adimir, Diniz, Ricardo

“…The data presented in this work are from the very accurate reactor noise measurements performed in the IPEN/MB-01 research reactor facility. The quantity…”
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Physical models, cross sections, and numerical approximations used in MCNP and GEANT4 Monte Carlo codes for photon and electron absorbed fraction calculation by Yoriyaz, Hélio, Moralles, Maurício, de Tarso Dalledone Siqueira, Paulo, da Costa Guimarães, Carla, Belonsi Cintra, Felipe, dos Santos, Adimir

“…Purpose: Radiopharmaceutical applications in nuclear medicine require a detailed dosimetry estimate of the radiation energy delivered to the human tissues…”
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A reactivity meter with uncertainties by dos Santos, Adimir

“…•Reactivity meter with uncertainty developed.•Three sets of experimental effective kinetics parameters considered.•Reactivity Uncertainties decrease…”
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Stochastic modeling of a neutron imaging center at the Brazilian Multipurpose Reactor by de Oliveira, Luiz P, Souza, Alexandre P. S, Genezini, Frederico A, Santos, Adimir dos

“…Nuclear Engineering and Design (2024) Neutron imaging is a non-destructive technique for analyzing a wide class of samples, such as archaeological or…”
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Simulating Araponga -- The High-Resolution Diffractometer of Brazilian Multipurpose Reactor by Souza, Alexandre P. S, de Oliveira, Luiz P, Genezini, Frederico A, Santos, Adimir dos

“…Brazilian Journal of Radiation Sciences, 10(3B), 2022 The Brazilian Multipurpose Reactor (RMB) is a fundamental project that aims to turn Brazil into a…”
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The correlation matrix for the effective delayed neutron parameters of the IPEN/MB-01 reactor by dos Santos, Adimir, Diniz, Ricardo

“…•IPEN/MB-01 delayed neutron benchmark.•Correlation matrix for the measured effective delayed parameters.•Benchmark of Reactivity determination.•Uncertainty…”
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New experimental results for the inversion point of the isothermal reactivity coefficient of the IPEN/MB-01 reactor by Santos, Adimir dos, de Andrade e Silva, Graciete S., Mendonça, Arlindo G., Fuga, Rinaldo, Abe, Alfredo Y.

“…New experiments for the inversion point of the isothermal reactivity coefficient of the IPEN/MB-01 research reactor facility have been successfully conducted…”
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Simulating Araponga - The High-Resolution Diffractometer of Brazilian Multipurpose Reactor by Souza, Alexandre Pinho dos Santos, De Oliveira, Luiz Paulo, Genezini, Frederico Antonio, Dos Santos, Adimir

“…The Brazilian Multipurpose Reactor (RMB) is a fundamental project that aims to turn Brazil into a self-sufficient country in the production of radioisotopes…”
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A Noise Analysis Approach for Measuring the Decay Constants and the Relative Abundance of Delayed Neutrons in a Zero Power Critical Facility by Diniz, Ricardo, Santos, Adimir dos

“…This experimental work introduces a novice approach for the determination of the decay constants and the relative abundance of the delayed neutrons. The…”
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Numerical analysis of an incremented statistical sampling procedure in MCNP by Siqueira, Paulo de Tarso Dalledone, Yoriyaz, Hélio, Santos, Adimir dos, Pascholati, Paulo Reginaldo

“…MCNP has stood so far as one of the main Monte Carlo radiation transport codes. Its use, as any other Monte Carlo based code, has increased as computers…”
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Potential advantages of molten salt reactor for merchant ship propulsion by Freitas Neto, Luiz Gonzaga de, Freire, Luciano Ondir, Dos Santos, Adimir, De Andrade, Delvonei Alves

“…Operating costs of merchant ships, related to fuel costs, has led the naval industry to search alternatives to the current technologies of propulsion power. A…”
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Multigroup covariance matrix self-shielding effects for thermal reactors fueled with slightly enriched uranium by dos Santos, Adimir, Vinicius Camilo Galia, Marcus, Leal, Luiz

“…•NJOY results show severe disagreement to the ones produced in this paper.•Self-Shielding Direct and Indirect Effects in the Multigroup Covariance Matrix…”
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Zero-power noise up to 100 kHz in the IPEN/MB-01 research reactor facility by Feliciano dos Santos, Diogo, dos Santos, Adimir

“…•Subcritical reactor noise experiments at the IPEN/MB-01 reactor up to 100 kHz.•Thermal and fast neutron noises were detected and discriminated in the…”
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The experimental determination of the 238 U(n,γ) and total fission reaction rates along the pellet radius of the IPEN/MB-01 reactor by Mura, Luís Felipe Liambos, dos Santos, Adimir, Domingos, Douglas Borges, Rossi, Pedro Carlos Russo, Jerez, Rogério

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Gold (198Au) foils brachytherapy use on canine skin tumor by Fernandes, Marco Antônio Rodrigues, Andrade, Alexandre Lima de, Biazzono, Luciane, Luvizotto, Maria Cecília Rui, Santos, Adimir dos, Correa, Clibas

“…This study showed a skin squamous cell carcinoma clinical case from 8-years-old female weimaranner, treated by gold-198 foil brachytherapy. The aims were to…”
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A new experimental approach for subcritical reactivity determination of multiplying systems by Dos Santos, Adimir, Lee, Seung Min, Diniz, Ricardo, Jerez, Rogério

“…•A new experimental method for subcritical reactivity measurements was developed.•The experimental technique was applied in the IPEN/MB-01 reactor.•The method…”
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The experimental determination of the 238U(n,γ) and total fission reaction rates along the pellet radius of the IPEN/MB-01 reactor by Mura, Luís Felipe Liambos, dos Santos, Adimir, Domingos, Douglas Borges, Rossi, Pedro Carlos Russo, Jerez, Rogério

“…•Intra-pellet measurements performed in the IPEN/MB-01 reactor.•238U(n,γ) and total fissions reaction rates measured along the pellet radius.•The analyses…”
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The experimental determination and evaluation of the spectral indices of the IPEN/MB-01 reactor for the IRPhE project by dos Santos, Adimir, Fanaro, Leda C.C.B., Jerez, Rogério

“…•A new experimental method for the spectral index measurements was developed.•The method eliminates the need of calculated correction factors for the case of…”
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