Effective field theory for threshold phenomena (A03)

• Subject Area: Nuclear and Elementary Particle Physics, Quantum Mechanics, Relativity, Fields
• Term: from 2012 to 2024
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 196253076

A plethora of exotics X, Y, Z and heavy pentaquark states have been (and keep being) observed at collider experiments at CERN, B and tau-charm factories, and will be searched for at the upcoming PANDA experiment at FAIR. The aim of this project is to develop a QCD derived Nonrelativistic Effective Field Theory (NREFT) description of the region at and above the strong heavy quarkonium decay thresholds where the XYZ states have been observed and where many new degrees of freedom (glue, heavy-light mesons, light quarks) become dynamical, differently from the case of standard quarkonium below threshold.

• DFG Programme: CRC/Transregios
• Subproject of: TRR 110: Symmetries and the Emergence of Structure in Quantum Chromodynamics (QCD)
• International Connection: China
• Applicant Institution: Rheinische Friedrich-Wilhelms-Universität Bonn
• Project Heads: Professorin Dr. Nora Brambilla; Professor Dr. Hans-Werner Hammer, until 7/2013; Professor Dr. Yu Jia