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2024

An end-to-end generative diffusion model for heavy-ion collisions

Sun, Jing-An, Yan, Li, Gale, Charles et al.

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We train a generative diffusion model (DM) to simulate ultra-relativistic heavy-ion collisions from end to end.

The model takes initial entropy density profiles as input and produces two-dimensional final particle spectra, successfully reproducing integrated and differential observables.
It also captures higher-order fluctuations and correlations.
These findings suggest that the generative model has successfully learned the complex relationship between initial conditions and final particle spectra for various shear viscosities, as well as the fluctuations introduced during initial entropy production and hadronization stages, providing an efficient framework for resource-intensive physical goals.

An end-to-end generative diffusion model for heavy-ion collisions · Around

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