Volume 63, Number 6, September 2003
|Page(s)||805 - 811|
|Published online||01 November 2003|
Self-affinity and phase transition study in target fragmentation of - interactions at 14.5
Nuclear and Particle Physics Research Centre, Department of Physics Jadavpur University - Kolkata 700 032, India
Accepted: 11 July 2003
This paper reports the first evidence of non-thermal phase transition in the target fragmentation of - interactions at 14.5. Factorial moment analysis has been performed in two dimensions taking into consideration the anisotropicity of the phase space. A signal of non-thermal phase transition is obtained by carrying out the investigation at that partitioning of phase space where the anisotropic scaling (self-affinity) behavior of dynamical fluctuation is best revealed. A signal of multifractality is also observed from the knowledge of anomalous fractal dimension dq extracted from the intermittency exponent at the anisotropic phase space scenario.
PACS: 25.75.-q – Relativistic heavy-ion collisions / 25.70.Mn – Projectile and target fragmentation / 24.60.Ky – Fluctuation phenomena
© EDP Sciences, 2003
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