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Area of Science:

  • Nuclear Physics
  • Hadronic Physics
  • Quantum Chromodynamics

Background:

  • Three-body forces are nonperturbative strong interactions studied in nuclear physics.
  • Their necessity in nuclear systems is debated.
  • Certain three-body hadronic systems offer unique platforms to study these forces.

Purpose of the Study:

  • To investigate the role of three-body forces in specific three-body hadronic systems.
  • To determine if three-body forces are essential for the binding of D[over ¯]sDK and D[over ¯]*Dη systems.
  • To identify systems where three-body forces play a crucial role.

Main Methods:

  • Utilized contact-range potentials to model interactions.
  • Constrained two-body hadron-hadron interactions using scattering lengths.
  • Constrained three-body couplings by charge symmetry.

Main Results:

  • Three-body forces play a minor role in binding the I(JPC)=0(0--) D[over ¯]sDK system.
  • Three-body forces are crucial for binding the I(JPC)=0(1-+) D[over ¯]*Dη system.
  • The D[over ¯]*Dη system's bound state formation is determined by three-body forces.

Conclusions:

  • The existence of three-body forces is confirmed in specific hadronic systems.
  • The D[over ¯]*Dη system is a promising candidate for exploring three-body forces.
  • This research clarifies the significance of three-body forces in hadronic physics.