Ythermal HowTo

1. Design scheme

• > Production of the particle objects and simple initialization.

• ????YThermal *thermal = new YThermal(0.168,0.266);

• > Decides the baryon number of the fireball

• ????thermal->Set_Btotal(200);

• > Input isospin balance for Iz calculation

• ???thermal->Set_Isobalance(0.66949153);

• > Set default experimental feed-down

• ???thermal->Experiment();

• > Clears data block for each particle species

• ???thermal->Clear();

• > Perform the iteration and do the calculation

• > iteration over all particles.

• ???thermal->DoIt();

memo:

• ?important input :

[(T,mu_B), Btotal]

• With (T,mu_B), thermal model predicts the absolute particle densities.

• When Btotal ( the baryon umber of the fireball ) is decided, it subsequently decides the absolute multiplicities of all particles. Experimentally Btotal will have close relationship with the collision centrality in the thermal model.

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