INSTITUTO DE PESQUISAS ENERGÉTICAS E NUCLEARES Repositório Digital da Produção Técnico Científica Biblioteca Terezine Arantes Ferraz

 

Publicações do autor   GUILHERME SOARES ZAHN    depositadas no Repositório Digital/IPEN - Total : 165 08/05/2024 23:08:00
Seq	Ano	Ipen_doc	Tipo	Circ.	Título
1	2023	29644	Relatório técnico	N	Procedimentos para espectroscopia gama dos Geradores de Vapor e da Tampa do Vaso do Reator depositados no DIGV
2	2023	29843	Relatório técnico	N	Espectrometria gama dos Geradores de Vapor e da Tampa do Vaso do Reator depositados no DIGV (medidas preliminares)
3	2023	29896	Artigo de periódico	I	Examination of Natural Radioactivity Concentration and Radiological Exposure of Soil Within Mining Site in Umuahia South Abia State Nigeria, Using High Purity Germanium (HPGe) Gamma Ray Spectrometry
4	2022	28703	Capítulo de livro	N	Análise dos radionuclídeos encontrados na água do reator IEA-R1
5	2022	28710	Capítulo de livro	N	Aplicação de técnicas de coincidência gama-gama no LFNA-CRPQ
6	2022	28739	Capítulo de livro	N	Determinação de Sm por análise por ativação neutrônica em amostras geológicas
7	2022	28748	Livro	N	Contribuições do reator IEA-R1 para a pesquisa nuclear
8	2022	29174	Resumo de eventos científicos	I	Radioactivity concentration and radiological effect of soil from Umuahia Abia State, Nigeria
9	2021	27881	Artigo de periódico	N	Efficiency stability of HPGe detectors under distinct count rates
10	2021	27882	Artigo de periódico	N	On the feasibility of producing Lu-177 in the IEA-R1 reactor via the direct route
11	2021	27883	Artigo de periódico	N	Development of an environmental monitoring station for HPGe detectors
12	2021	27903	Artigo de periódico	N	Application of a semi-empirical model for the evaluation of radium activity in phosphogypsum used as component of clinker
13	2021	27908	Artigo de periódico	N	Comparison of two methodologies for spectra analysis in coincidence neutron activation analysis
14	2021	28206	Texto completo de evento	I	Determination of scale factor for Ni-59 and Ag-108m in ion exchange resin from Angra 1
15	2021	28260	Texto completo de evento	I	Preliminary results of Monte Carlo study of an experiment to calculate thermal neutron cross section using neutron beam from the IEA-R1 reactor
16	2021	29178	Resumo de eventos científicos	N	Opportunities for using the IEA-R1 reactor in nuclear applications
17	2021	29180	Resumo de eventos científicos	N	On the use of coincidence INAA for selenium determination
18	2020	27255	Artigo de periódico	I	Neutron radiation effects on an electronic system on module
19	2020	27605	Resumo de eventos científicos	N	Neutron radiation effects on the NUMEN electronic 'System On Module'
20	2020	27608	Resumo de eventos científicos	N	Playing with neutrons
21	2020	27612	Texto completo de evento	I	The IEA-R1 62 years of operation
22	2019	25771	Artigo de periódico	N	Evaluation of the uncertainty associated with sample holders in NAA measurements in LAN/IPEN
23	2019	25799	Artigo de periódico	N	Natural and artificial nuclides in Salesópolis reservoir
24	2019	25813	Artigo de periódico	N	Pile-up correction for coincidence counting using a CAEN 1724 digitizer
25	2019	25902	Artigo de periódico	I	A proposal to study long-lived isotopes produced by thermal neutron irradiation of digital devices
26	2019	25903	Artigo de periódico	I	AnalisaCAEN, a simple software suite to reduce and analyze coincidence data collected using CAEN v1724 digitizer
27	2019	26151	Texto completo de evento	I	Comparison of two methodologies for spectra analysis in coincidence neutron activation analysis
28	2019	26153	Texto completo de evento	I	Ni-59 determination by measurement of annihilation energy
29	2019	26154	Texto completo de evento	I	Determination of I-129 on radioactive waste from Angra 1 and 2 Power Plants
30	2019	26162	Texto completo de evento	I	Radionuclide analysis of the IEA-R1 pool water
31	2019	26190	Texto completo de evento	I	Application of semi-empirical model for the evaluation of radium activity in phosphogypsum used as component of clinker
32	2019	26197	Texto completo de evento	I	Efficiency stability of HPGe detectors under distinct count rates
33	2019	26198	Texto completo de evento	I	Development of an environmental monitoring station for HPGe detectors
34	2019	26204	Texto completo de evento	I	Characterization of a portable thermal neutron detector
35	2019	26214	Texto completo de evento	I	External gamma exposure due to the application of carbonate niobium tailing as soil amendment
36	2019	26230	Texto completo de evento	I	On the feasibility of producing Lu-177 in the IEA-R1 reactor via the direct route
37	2019	26415	Artigo de periódico	N	CAX and Xsel
38	2019	26528	Artigo de periódico	I	Thermal neutron induced upsets in 28nm SRAM
39	2019	26795	Resumo de eventos científicos	N	Evaluation of peak-fitting software for gamma spectrum analysis
40	2019	26813	Resumo de eventos científicos	I	Evaluation of the maximum emitting layer of Rn-222 in cementitious building materials
41	2019	26847	Resumo de eventos científicos	I	A compact electronic system for a photodiode neutron detector
42	2018	25908	Resumo de eventos científicos	I	Gamma ray spectroscopy studies on low and intermediate level radioactive waste from Angra-1 nuclear power plant
43	2017	23827	Artigo de periódico	I	Long-term performance assessment of HPGE detectors used in the neutron activation analysis laboratory of IPEN-CNEN/SP (Brazil)
44	2017	24073	Texto completo de evento	I	CAX a software for automated spectrum analysis
45	2017	24074	Texto completo de evento	I	Evaluation of the uncertainty associated with sample holders in NAA measurements in LAN/IPEN
46	2017	24078	Texto completo de evento	I	Natural and artificial nuclides in Salesópolis reservoir by gamma spectrometry
47	2017	24095	Texto completo de evento	I	Low-cost amplifier for alpha detection with photodiode
48	2017	24097	Texto completo de evento	I	Production of a square geometry americium standard source for use with photodiodes
49	2017	24100	Texto completo de evento	I	Automated spectrometer interface for measurement of short half-life samples for neutron activation analysis
50	2017	24138	Texto completo de evento	I	Pile-up correction for coincidence counting using a CAEN 1724 digitizer
51	2017	24157	Texto completo de evento	I	Eletronic response of a photodiode coupled to a boron thin film
52	2017	24315	Artigo de periódico	I	Aluminum determination by instrumental neutron activation analysis in tree barks
53	2017	24575	Resumo de eventos científicos	I	Eletronic response of photodiode coupled to a boron thin film
54	2017	24620	Resumo de eventos científicos	I	Natural and artificial nuclides in Salesópolis reservoir by gamma spectometry
55	2017	26964	Resumo de eventos científicos	N	Celebrating IEA-R1 first criticality
56	2017	26965	Resumo de eventos científicos	N	On the use of gamma-gamma coincidence to detect very low activities
57	2016	23851	Resumo de eventos científicos	N	Long-term performance assessment of hpge detectors used in the neutron activation analysis (LAN) of IPEN-CNEN/SP (Brazil)
58	2016	27065	Resumo de eventos científicos	N	Modelling a prototype of thermal neutron detector using a thin boron film and a photodiode
59	2015	20822	Artigo de periódico	I	Can robust statistics aid in the analysis of NAA results?
60	2015	21055	Texto completo de evento	I	Validation of the canberra G2KNAA software for mass fraction determination by neutron activation analysis
61	2015	21130	Texto completo de evento	I	Boron film thickness determination to develop a low cost neutron using Monte Carlo Method
62	2015	21161	Texto completo de evento	I	Uncertainty analysis in comparative NAA applied to geological and biological matrices
63	2015	21307	Artigo de periódico	I	Samarium determination by neutron activation analysis in uranium-rich samples
64	2015	21359	Resumo de eventos científicos	I	Automatic sample positioner for short half life nuclides in neutron activation analysis
65	2015	22458	Resumo de eventos científicos	N	Efficiency stability in HPGe detectors
66	2014	10689	Resumo de eventos científicos	N	Could the uranium fission interference factor be used to determination of cumulative fission yield
67	2014	20037	Artigo de periódico	I	Gamma-particle coincidence technique for the study of nuclear reactions
68	2014	20218	Resumo de eventos científicos	I	Enhancing NAA results by using robust statistics
69	2014	20561	Resumo de eventos científicos	I	Long-term performance assessment of HPGE detectors used in the neutron activation analysis (LAN) of IPEN-CNEN/SP (Brazil)
70	2014	20595	Resumo de eventos científicos	I	Use of robusts means of the determination of uranium fission interference factor and analysis of certifiede reference materials
71	2014	20683	Resumo de eventos científicos	I	Samarium determination by neutron activation analysis in uranium-rich samples
72	2014	20871	Artigo de periódico	I	Reprint of: Half-life determination for short-lived radioisotopes sup(52)V, sup(66)Cu and sup(28)Al
73	2014	21409	Texto completo de evento	N	Half-life determination for sup(27)Mg
74	2014	22573	Texto completo de evento	I	Determination of 140La fission product interference factor for INAA
75	2013	18855	Artigo de periódico	I	Determination of uranium fission interference factors for INAA
76	2013	18998	Texto completo de evento	I	Development of a time-variable nuclear pulser for half life measurements
77	2013	19045	Artigo de periódico	I	Half-life determination for short-lived radioisotopes sup(52)V, sup(66)Cu and sup(28)Al
78	2013	19243	Texto completo de evento	I	Development of a software for INAA analysis automation
79	2013	19266	Texto completo de evento	I	Development of a charge-sensitive preamplifier using commercially available componentes
80	2013	19301	Texto completo de evento	I	Validation of methodology and uncertainty assessmento of antimony determination in environmental materials using neutron activation analysis
81	2013	19314	Texto completo de evento	I	A new electronic circuit for nim rack power supply
82	2013	19372	Texto completo de evento	I	Determination of uranium fission product interference factor for molybdenum qualification by instrumental neutron activaton analysis
83	2013	19415	Texto completo de evento	I	U Th and lanthanides in streetsoils of São Paulo city, Brazil
84	2013	19437	Texto completo de evento	I	Development of a multiplatform and multi parameter data acquisition interface
85	2013	20528	Texto completo de evento	I	Determination of 140La Fission Product Interference Factor for INAA
86	2013	20798	Texto completo de evento	I	Half-life determination for 108 Ag and 110 Ag
87	2013	21951	Iniciação Científica	N	Determinação da meia-vida do Ti-51
88	2013	23872	Resumo de eventos científicos	N	Development of a novel data analysis procedure for half-life measurements
89	2012	17288	Artigo de periódico	I	Metals and semi-metals in street soils of São Paulo city, Brazil
90	2012	17390	Artigo de periódico	I	Neutron activation analysis applied in sediment samples from the Guarapiranga reservoir for metals and trace elements assessment
91	2012	17738	Artigo de periódico	I	Investigating the antimony determination in invironmental samples by NAA
92	2012	18210	Resumo de eventos científicos	I	Determination of uranium fission interference factors for INAA
93	2012	18999	Texto completo de evento	N	Use of daily detector verification data for isotopical half-life determination
94	2012	21867	Iniciação Científica	N	Uso de dados da verificação diária de detectores para determinação da meia-vida de radioisotopos
95	2011	16582	Artigo de periódico	I	Measurements of Ksub(0) value for sup(64)Zn(n,'gamma')sup(65)Zn and sup(68)Zn(n,'gamma')sup(69m)Zn reactions with covariance analysis
96	2011	16845	Texto completo de evento	I	Detector efficiency determination applied to the K(0)-NAA method
97	2011	16907	Texto completo de evento	I	Determination of uranium and thorium by neutron activation analysis applied to fossil samples dating
98	2011	16927	Texto completo de evento	I	Using robust statistics to improved NAA results
99	2011	17023	Texto completo de evento	I	Analysis of two dead time correction methods for precise half-life determination
100	2011	17072	Texto completo de evento	I	Development of a digital log ratemeter
101	2011	17162	Texto completo de evento	I	Determinação da meia-vida do Co-57 usando dados da verificação diária de detectores
102	2011	17610	Resumo de eventos científicos	I	Neutron activation analysis applied in sediment samples from the Guarapiranga Reservoir for metals and trace elements assessment
103	2011	19920	Texto completo de evento	N	A procedure to fit nuclear decay data with proper treatment of outliers
104	2011	21667	Iniciação Científica	N	Determinação da meia-vida do Co-57 usando dados da verificação diária de detectores
105	2010	16230	Iniciação Científica	N	Determinacao de parametros nucleares de interesse para ativacao neutronica em nucleos de meia-vida curta
106	2010	16673	Capítulo de livro	I	Half life of sup(101)Mo and sup(101)Tc 'beta' sup(-)-decay
107	2010	18862	Texto completo de evento	I	Study on determination of antimony in environmental samples by neutron activation analysis
108	2010	18871	Texto completo de evento	I	Half-life of sup(52)V
109	2010	18892	Texto completo de evento	I	Detector efficiency calibration for extended gamma-ray sources
110	2009	14127	Texto completo de evento	I	Laser induced breakdown spectroscopy (LIBS) applied to stratigrafic elemental analysis and optical coherence tomography (OCT) to damage determination of cultural heritage brazilian coins
111	2009	14268	Artigo de periódico	I	Gamma transition intensity determination using multidetector coincidence data
112	2009	14315	Iniciação Científica	N	Desenvolvimento de um software para ajustes, correcoes e interpolacoes de funcoes de eficiencia de deteccao para detectores HPGE
113	2009	14687	Resumo de eventos científicos	N	The half life of the sup(193)Os 'beta'-decay
114	2009	14688	Resumo de eventos científicos	N	Determination of half-life of the sup(155)Sn 'beta'-decay
115	2009	14691	Capítulo de livro	I	Evaluations of semi-parametric NAA results using standard reference materials
116	2009	14713	Capítulo de livro	I	Half life of sup(101)Mo and sup(101)Tc 'beta' sup(-)-decay
117	2009	14714	Capítulo de livro	I	Half life of sup(127)Te
118	2009	15084	Texto completo de evento	I	Evaluation of peak-fitting software for gamma spectrum analysis
119	2009	15086	Texto completo de evento	I	Development of software for the determination of gamma ray detection efficiency
120	2009	17991	Resumo de eventos científicos	N	In-beam gamma-ray spectroscopy of sup(66)Ga: Preliminary results
121	2009	17992	Resumo de eventos científicos	N	The measurement of cross sections of inelastic and transfer reactions with gamma-particle coincidence
122	2009	17993	Texto completo de evento	I	Exploring the potential of the São Paulo potential
123	2008	14689	Resumo de eventos científicos	I	Half life of sup(101)Mo and sup(101)tC 'beta'sup(-)-decay
124	2008	14690	Resumo de eventos científicos	I	Half life of sup(127)Te
125	2007	11956	Texto completo de evento	I	Multiparametric coincidence measurements of sup(155)SM beta-decay
126	2007	12014	Texto completo de evento	I	Proposal of a methodology to measure neutron activation using gamma-gamma coincidence spectroscopy
127	2007	12016	Texto completo de evento	I	Design of a gas efflent monitoring system for the sup(18)F production line
128	2007	12052	Texto completo de evento	I	The reference value for blood sodium in inhabitants of Brazil: Harmonization of statistical treatment
129	2007	13814	Texto completo de evento	I	An alternative method to determine sup(235)U in environmental samples
130	2007	13815	Texto completo de evento	I	Thermal neutron activation cross section for sup(48)Ca
131	2007	13816	Texto completo de evento	I	A new procedure to analyse angular correlation experimental data
132	2007	15619	Capítulo de livro	N	Eu, o neutron (prazer em conhecer
133	2006	11468	Tese	N	Estudo do decaimento beta do sup(193)Os
134	2006	11686	Artigo de periódico	I	Low-Energy levels calculation for sup(193)Ir
135	2005	10750	Texto completo de evento	I	Thermal neutron activation cross section for sup(48)Ca
136	2005	10773	Texto completo de evento	I	Study of the inactive layer of a germanium detector: experimental and Monte Carlo simulation treatments
137	2005	10783	Texto completo de evento	I	Investigation of the new 960Kev level in sup(193)Ir using a multiparametric detection system
138	2005	10936	Artigo de periódico	I	Use of thermal neutrons to perform clinical analyses in blood and urine samples
139	2005	11153	Artigo de periódico	I	Decay of sup(155)Sm
140	2005	11154	Artigo de periódico	I	Investigation of excited levels in sup(193)Ir from the beta decay of sup(193)Os
141	2005	12692	Texto completo de evento	N	Low energy levels calculation for sup(193)Ir
142	2005	12694	Texto completo de evento	N	Analysis of multi-parametric coincidence measurements with n detectors
143	2005	16769	Texto completo de evento	I	Angular correlation study of excited levels in sup(193)Ir
144	2005	16770	Texto completo de evento	I	Trace elements at whole blood of distinct mouse lines by using NAA
145	2004	10467	Artigo de periódico	I	New gamma transitions in sup(193)Ir from the beta decay of sup(193)Os
146	2004	10471	Artigo de periódico	I	Use of thermal neutrons to perform analyses in body organs of small sized animals
147	2003	09002	Resumo de eventos científicos	I	Use of thermal neutrons to perform clinical analyses in blood and urine samples
148	2003	09224	Resumo de eventos científicos	I	Use of thermal neutrons to perform analyses in body organs of small sized animals
149	2003	09230	Resumo de eventos científicos	I	Neutron flux spectrum assessment in an Am-Be neutron irradiator
150	2003	09234	Resumo de eventos científicos	I	Routing interface for multidetector angular correlation spectrometer
151	2003	09239	Resumo de eventos científicos	I	New gamma transitions in Ir-193 from the beta decay of Os-193
152	2003	09751	Artigo de periódico	I	Determination of neutron flux distribution in an Am-Be irradiator using the MCNP
153	2002	08771	Texto completo de evento	I	Neutron flux distribution in an Am-Be neutron irradiator
154	2002	08835	Texto completo de evento	I	Gamma spectroscopy of excited levels in sup(193)Ir
155	2002	09430	Artigo de periódico	N	Gamma spectroscopy of excited levels in sup(193)Ir
156	2001	08459	Texto completo de evento	I	A neutron irradiator to perform nuclear activation
157	1997	04977	Texto completo de evento	N	Feasibility studies for a position sensitive detector using plastic scintillation detectors
158	1996	03556	Texto completo de evento	N	Estudos para implantacao de uma instalacao para NCT no reator IEA-R1 do IPEN-CNEN/SP
159	1996	05052	Texto completo de evento	I	Design of a facility for NCT research in the IEA-R1 reactor
160	1994	05518	Texto completo de evento	N	Variacao angular da resposta do CR-39 para neutrons
161	1994	05564	Resumo de eventos científicos	N	Estudo de detectores plasticos para a deteccao de neutrons de alta energia (En>10 MeV)
162	1994	05578	Dissertação	N	Desenvolvimento de um monitor de area para neutrons utilizando detector solido de tracos nucleares
163	1994	05646	Texto completo de evento	N	Desenvolvimento de um detector passivo para neutrons rapidos
164	1993	02104	Texto completo de evento	N	Deteccao de neutrons termicos utilizando o SSNTD makrofol DE
165	1992	04278	Resumo de eventos científicos	N	Estudo da revelacao eletroquimica do makrofol e visando deteccao de neutrons termicos