Measurement of b-quark fragmentation properties in jets using the decay B± → J/ψK± in pp collisions at s√ = 13 TeV with the ATLAS detector

G Aad, Torsten Åkesson, Eric Edward Corrigan, Caterina Doglioni, Jannik Geisen, Eva Brottmann Hansen, Vincent Hedberg, Göran Jarlskog, Balazs Konya, Else Lytken, Katja Mankinen, Caterina Marcon, Ulf Mjörnmark, Geoffrey André Adrien Mullier, Ruth Pöttgen, Eleni Skorda, Oxana Smirnova, L Zwalinski, ATLAS Collaboration