Deshmukh, P CMandal, ASaha, SKheifets, AnatoliDolmatov, V KManson, S T2015-12-131094-1622http://hdl.handle.net/1885/70995The effects of confinement resonances on photoelectron group delay (Wigner time delay) following ionization of an atom encapsulated inside a C60 cage have been studied theoretically using both relativistic and nonrelativistic random phase approximations.Author/s retain copyrightAttosecond time delay in the photoionization of endohedral atoms A@C 60 : A probe of confinement resonances201410.1103/PhysRevA.89.0534242015-12-11