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Characterization of hadron production in γ−A photonuclear interactions of ultra-peripheral collisions / Caracterización de la producción de hadrones en interacciones fotonucleares γ−A de colisiones ultraperiféricas
Consuegra Rodríguez, S.; Guzmán Martínez, F.; Arrebato Villar, D.Y..
  • Consuegra Rodríguez, S.; University of Havana (UH). Higher Institute of Technologies and Applied Sciences (InSTEC). Nuclear Physics Department. CU
  • Guzmán Martínez, F.; University of Havana (UH). Higher Institute of Technologies and Applied Sciences (InSTEC). Nuclear Physics Department. CU
  • Arrebato Villar, D.Y.; University of Havana (UH). Higher Institute of Technologies and Applied Sciences (InSTEC). Nuclear Physics Department. CU
Nucleus (La Habana) ; (64): 10-14, July.-Dec. 2018. graf
Article in English | LILACS-Express | LILACS | ID: biblio-1002721
ABSTRACT
Abstract A methodology for the simulation of ultra-peripheral collisions, specifically ultra-relativistic heavy ion 197Au-197Au and p-208Pb collisions, is developed. First, the fluxes of virtual photons as a function of the photon energy and the impact parameter are obtained using the Method of Weizsäcker-Williams. Then, the processes induced by photons in photon-hadron collisions γ+Au, γ+p and γ+Pb are simulated, neglecting the photon-photon contribution. The model is implemented in the code CRISP (Collaboration Rio-Sao Paulo), specifically designed for simulations of the nuclear environment. Cross-section, differential cross-section, multiplicity, invariant mass spectrum, angular distribution and p T distribution in 197Au-197Au and p-208Pb collisions are obtained, and a comparison with experimental data is accomplished in order to validate the model.
RESUMEN
Resumen Una metodología para la simulación de colisiones ultraperiféricas, específicamente colisiones ultrarelativistas de iones pesados 197Au-197Au y p-208Pb es desarrollada. Primero, los flujos de fotones virtuales como función de la energía del fotón y el parámetro de impacto son obtenidos, usando el Método de Weizsäcker-Williams. Luego, los procesos inducidos por fotones en colisiones fotón-hadrón γ+Au, γ+p y γ+Pb son simulados, despreciando la contribución fotón-fotón. El modelo es implementado en el código CRISP (Colaboración Rio-Sao Paulo), específicamente diseñado para simulaciones del ambiente nuclear. La sección eficaz, sección eficaz diferencial, multiplicidad, espectro de masa invariante y distribución de p T son obtenidas, y se realiza una comparación con resultados experimentales, con el objetivo de validar el modelo.

Full text: Available Index: LILACS (Americas) Language: English Journal: Nucleus (La Habana) Journal subject: Nuclear Medicine / Radiotherapy Year: 2018 Type: Article Affiliation country: Cuba Institution/Affiliation country: University of Havana (UH)/CU

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Full text: Available Index: LILACS (Americas) Language: English Journal: Nucleus (La Habana) Journal subject: Nuclear Medicine / Radiotherapy Year: 2018 Type: Article Affiliation country: Cuba Institution/Affiliation country: University of Havana (UH)/CU