The Gaia-ESO survey: 3D NLTE abundances in the open cluster NGC 2420 suggest atomic diffusion and turbulent mixing are at the origin of chemical abundance variations
Ekaterina Semenova, Maria Bergemann, Morgan Deal, Aldo Serenelli, Camilla Juul Hansen, Andrew J. Gallagher, Amelia Bayo, Thomas Bensby, Angela Bragaglia, Giovanni Carraro, Lorenzo Morbidelli, Elena Pancino and Rodolfo Smiljanic
