Measurement of BB angular correlations based on secondary vertex reconstruction at √s=7  TeV

Michael Dittmar, Günther Dissertori, Ann-Karin Sanchez, Carmelo Marchica, Ludwig Tauscher, Werner Lustermann, Marco Rossini, Vardan Khachatryan, Francesca Nessi-Tedaldi, Paolo Meridiani, Leonardo Sala, Jürg Eugster, Pablo Martinez Ruiz Del Arbol, Rainer Wallny, Klaus Freudenreich, Luc Pape, Christoph Grab, Alessandro Thea, Christina Urscheler, Joanna Weng, Et Al., Andrea Rizzi, Thomas Punz, Marie-Christine Sawley, Lea Caminada … & Zhiling Chen