Some clues on the tilt of the Horizontal Branches in metal-rich clusters
  We discuss some clues on the large tilt observed in the Horizontal Branch of the metal-rich galactic globular clusters NGC 6388 and NGC 6441. This not yet understood feature is investigated from theoretical and observational sides. 
G. Raimondo (1), V. Castellani (2), S. Cassisi (1), E. Brocato (1), G.   Piotto (3) ((1) INAF-Osservatorio Astronomico di Co...