X(3872) and its heavy quark spin symmetry partners in QCD sum rules

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Mutuk H., Sarac Y., Gumus H., ÖZPİNECİ A.

EUROPEAN PHYSICAL JOURNAL C, vol.78, no.11, 2018 (Peer-Reviewed Journal) identifier identifier

  • Publication Type: Article / Article
  • Volume: 78 Issue: 11
  • Publication Date: 2018
  • Doi Number: 10.1140/epjc/s10052-018-6382-z
  • Journal Indexes: Science Citation Index Expanded, Scopus


X(3872) presents many surprises after its discovery more than ten years ago. Understanding its properties is crucial to understand the spectrum of possible exotic mesons. In this work, X(3872) meson and its heavy quark spin symmetry (HQSS) partners (including the mesons in the bottom sector) are studied within the QCD Sum Rules approach using a current motivated by the molecular picture of X(3872). We predict four heavy partners to X(3872) and bottomonium with the masses and J(PC) quantum numbers. Obtained results are in good agreement with the previous studies and available experimental data within errors.