Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/67761
Type: Artigo de periódico
Title: gamma-hadron families sensitivity to disoriented chiral condensates
Author: Navia, CE
Augusto, CRA
Pinto, FA
Barroso, SL
Shibuya, EH
Abstract: Presented in this study is a possible coherent emission of pions from a large domain of disoriented chiral condensate (DCC) in the leading particle region, through their influence on the development of the gamma-hadron families, initiated by cosmic ray particles in the atmosphere. The production rate of DCC's is obtained by using a phenomenological framework in the quenching approximation and is included in a Monte Carlo code. In this context, we have found, under the assumption of a ''normal'' proton dominant composition in the primary Bur, that the anomalous hadron-rich families, observed in the experimental data, can be reproduced. However, the production rate of DCC's obtained here is not enough to describe the global characteristics, such as the family flux, observed at mountain altitudes. The implications of these results are here discussed.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.55.5834
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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