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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Íons pesados relativísticos: sobre a física das colisões periféricas / Relativistic Heavy Ion: on the physics of peripheral collisions

Bracco, Mirian Enriqueta 30 November 1992 (has links)
Investigamos o papel da interação forte nas colisões periféricas de íons pesados, contrastando-a com a interação eletromagnética, e o efeito que ela desempenha na excitação de modos coletivos, processos envolvendo a correlação de dois núcleons e processos completamente incoerentes. Explicamos dados experimentais recentes (Brookhaven, E814 Collaboration), separando quantitativa e qualitativamente as contribuições nuclear e eletromagnética, coerentes e incoerentes, comparando-as também com outras experiências similares. / We have compared the role played by strong interactions with the one played e1ectromagnetic interactions in re1ativistic heavy ion collisions. We also analyze its effects of strong interactions in the excitation of collective modes and in the emission of one and two-nucleon correlations. We explain recent experimental data (Brookhaven, E814 Collaboration), separating qualitatively and quantitatively the nuclear and electromagnetic, coherent and incoherent contributions to the one-nucleon emission cross section. We also compare them with results of other similar experiments.
2

Íons pesados relativísticos: sobre a física das colisões periféricas / Relativistic Heavy Ion: on the physics of peripheral collisions

Mirian Enriqueta Bracco 30 November 1992 (has links)
Investigamos o papel da interação forte nas colisões periféricas de íons pesados, contrastando-a com a interação eletromagnética, e o efeito que ela desempenha na excitação de modos coletivos, processos envolvendo a correlação de dois núcleons e processos completamente incoerentes. Explicamos dados experimentais recentes (Brookhaven, E814 Collaboration), separando quantitativa e qualitativamente as contribuições nuclear e eletromagnética, coerentes e incoerentes, comparando-as também com outras experiências similares. / We have compared the role played by strong interactions with the one played e1ectromagnetic interactions in re1ativistic heavy ion collisions. We also analyze its effects of strong interactions in the excitation of collective modes and in the emission of one and two-nucleon correlations. We explain recent experimental data (Brookhaven, E814 Collaboration), separating qualitatively and quantitatively the nuclear and electromagnetic, coherent and incoherent contributions to the one-nucleon emission cross section. We also compare them with results of other similar experiments.

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