QCD thermodynamics with O(a) improved Wilson fermions at Nf=2

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We present an update of our study of the phase diagram of two-flavour QCD at zero baryon density with dynamical $O(a)$ improved Wilson quarks.

• All simulations are done on lattices with a temporal extent of $N_t=16$ and spatial extent $L=32,48$ and 64, ensuring that discretisation effects are small and finite size effects can be controlled.
• In the approach to the chiral limit we currently have three scans with pion masses between 540 and 200 MeV.
• In this proceedings article the focus is on the new scan at $m_\pi=200$ MeV and the measurement of screening masses.