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AbstractAbstract
[en] Reggeons and pomerons in interaction are studied in the context of Reggeon-field theory, with the aid of renormalization group techniques. In comparing the results obtained with experimental data, strong indications are found that, at high energies, the A2 pole trajectories and those a all the ramification points associated to it overlap, the same occuring with the rho pole. This explains why Regge pole models for processes described by the exchange of one of these poles are in good agreement with experimental results, while in the diffractive reactions all the ramification points need to be taken in account explicitly. (L.C.)
[pt]
Reggeons e pomerons em interacao sao estudados no contexto da teoria de campos de reggeons, com o auxilio de tecnicas de grupo de renormalizacao. Comparando os resultados obtidos com dados experimentais encontram-se fortes indicacoes de que a altas energias as trajetorias do polo A2 e de todos os pontos deramificacao a ele associados se superpoem, o mesmo acontecendo com o polo rho. Isto explica porque modelos de polos de Regge para processos descritos pela troca de um desses polos estao em boa concordancia com resultados experimentais, enquanto que nas reacoes difrativas todos os pontos de ramificacao precisam ser levados em conta explicitamente. (Autor)Original Title
Trajetorias secundarias em teoria de campos de reggeons
Primary Subject
Source
Sociedade Brasileira de Fisica, Sao Paulo; 91 p; 1979; p. 69-74; 1. National Workshop on Particle - and Fields Physics; Cambuquira, Brazil; 6 - 9 Jun 1979
Record Type
Miscellaneous
Literature Type
Conference; Numerical Data
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