Characterization of the quantum state of top quark pairs produced in proton-proton collisions at √s = 13 TeV using the beam and helicity bases | 2026 Publication type A1 Journal article (refereed), original research Author(s) Hayrapetyan Aram, Makarenko Vladimir, Tumasyan Armen, Adam Wolfgang, Benato Lisa, Bergauer Thomas, Dragicevic Marko, Hussain Priya Sajid, Jeitler Manfred, Krammer Natascha, Li Ang, Liko Dietrich, Mikulec Ivan, Schieck Jochen, Schöfbeck Robert, Bin Norjoharuddeen Nurfikri, Kirschenmann Hennig, Luukka Panja-Riina, Petrow Henri, CMS Collaboration Other focus area LUT School of Engineering Sciences