Speaker
            Dr
    Cedric Lorce
        
            (IPNO and LPT Orsay, Universite Paris-Sud)
        
    Description
The orbital angular momentum of quarks and gluons contributes significantly to the proton spin budget and attracted a lot of attention in the recent years, both theoretically and experimentally. We summarize the various definitions of parton orbital angular momentum together with their relations with parton distributions functions. In particular, we highlight current theoretical puzzles and give some prospects.
            Author
        
            
                
                        Dr
                    
                
                    
                        Cedric Lorce
                    
                
                
                        (IPNO and LPT Orsay, Universite Paris-Sud)
                    
            
        
    
        