Quark-hadron duality in structure functions
While quark-hadron duality is well established experimentally, the current theoretical understanding of this important phenomenon is quite limited. To expose the essential features of the dynamics behind duality, we use a simple model in which the hadronic spectrum consists of narrow resonances made of valence quarks. We qualitatively reproduce the features of duality as seen in electron scattering data within our model. We show that in order to observe duality, it is essential to use the appropriate scaling variable and scaling function. In addition to its great intrinsic interest in connecting the quark-gluon and hadronic pictures, an understanding of quark-hadron duality could lead to important benefits in extending the applicability of scaling into previously inaccessible regions.
- Research Organization:
- Thomas Jefferson National Accelerator Facility
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 40277256
- Journal Information:
- Physical Review D, Journal Name: Physical Review D Journal Issue: 5 Vol. 64; ISSN 0556-2821
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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