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Habilitation Thesis
DOI
10.11606/T.43.2015.tde-04122014-135409
Document
Author
Full name
Jose Goldemberg
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1957
Committee
Swieca, Jorge André (President)
Sala, Oscar
Santos, Marcello Damy de Souza
Watanabe, Shigueo
Wreszinski, Walter Felipe
Title in Portuguese
Investigação sobre a largura da ressonância das reações fotonucleares
Keywords in Portuguese
REAÇÕES FOTONUCLEARES
Abstract in Portuguese
Experiências destinadas a obter informação sobre o valor da largura de ressonância do Arsênico (A = 75), foram realizadas pelos métodos de atividade residual e detecção de nêutrons. Com essa finalidade, um sistema detectar dos nêutrons produzidos pelos impulsos de radiação X do Betatron de 24 Mev da Universidade de São Paulo, foi construído e suas propriedades estudadas. A fim de situar o problema dentro das investigações modernas sobre fotodesintegração, são discutidas as informações significantes que podem ser obtidas das medidas. É feita uma análise critica das dificuldades experimentais. A importância dos resultados obtidos é discutida e a incorreção de certas interpretações feitas anteriormente e ressaltada. Menção é feita a novos métodos de analisar os dados experimentais.
Title in English
Research on the width of the resonance of photonuclear reactions
Keywords in English
Photonuclear reactions
Abstract in English
Experiments designed to obtain information on the value of the width of resonance of Arsenic (A = 75) were performed by the residual activity methods and detection of neutrons. To this end, a system to detect the neutrons produced by X-radiation pulses from Betatron 24 Mev the University of São Paulo, was built and its properties studied. In order to situate the problem within modern research on photodisintegration, the significant information that can be obtained from measurements are discussed. A review analysis of experimental difficulties is made. The importance of the results is discussed and the incorrectness of certain interpretations made previously and highlighted. Mention is made of new methods to analyze experimental data.
 
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LDGoldemberg.pdf (2.86 Mbytes)
Publishing Date
2015-08-10
 
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