Parton-Hadron Duality is
the idea that the dynamics in the high energy/momentum
region is closely and continuously linked with the dynamics in the low energy/momentum region.
Similar to the CORRESPONDENCE PRINCIPLE in quantum mechanics
It is a long-standing problem at the heart of QCD. How do we proceed?
Experimental Evidence
I. Niculescu et al. (Hall C Collaboration), PRL(2000).
C.Armstrong, R.Ent, C.Keppel, S.Liuti and I.Niculescu, PRD(2001).
Theoretical Models
- As a general problem in field theory -> string theory: low coupling large coupling connection (Seiberg-Witten)
- From constituent quark models to asymptotia
- From large invariant masses to low invariant masses (Regge theory)
- Explore the working of the transition from perturbative QCD
From particleadventure.org