Cosmic ray positrons: constraints on propagation parameters and dark matter searches in view of AMS-02 data - Vecchi, Manuela; Salati, Pierre; Boudaud, Mathieu; Caroff, Sami; Poireau, Vincent; Genolini, Yoann; Poulin, Vivian; Rosier-Lees, Sylvie (GRAPPA, 2017)