LHCb Collaboration; Adeva Andany, Bernardo; Alves Junior, Antonio Augusto; Boente García, Óscar; Borsato, Martino; Chobanova, Veronika; Cid Vidal, Xabier; Dosil Suárez, Álvaro; Fernández Prieto, Antonio; Gallas Torreira, Abraham Antonio; García Plana, Beatriz; Lucio Martínez, Miriam; Martínez Santos, Diego; Plo Casasus, Máximo; Prisciandaro, James J.; Ramos Pernas, Miguel; Romero Vidal, Antonio; Saborido Silva, Juan José; Sanmartín Sedes, Brais; Santamarina Ríos, Cibrán; Vázquez Regueiro, Pablo; Vieites Díaz, María (Springer, 2018)
The ϒ(1S)μ+μ− invariant-mass distribution is investigated for a possible exotic meson state composed of two b quarks and two b¯ quarks, Xbb¯bb¯. The analysis is based on a data sample of pp collisions recorded with the ...