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In this Letter, we introduce a new inline model for stimulated Ramanscattering (SRS), which runs on our radiation hydrodynamics code TROLL. Themodeling follows from a simplified version of a rigorous theory for SRS, whichwe describe, and accounts for nonlinear kinetic effects. It also accounts forthe SRS feedback on the plasma hydrodynamics. We dubbed it PIEM because it is afully PredIctivE Model, no free parameter is to be adjusted \textit{aposteriori}~in order to match experimental results. PIEM predictions arecompared against experimental measurements performed at the Ligned'Int\'egration Laser. From these comparisons, we discuss PIEM ability tocorrectly catch the impact of nonlinear kinetic effects on SRS.

A predictive inline model for nonlinear stimulated Raman scattering in a hohlraum plasma