Quark-Hadron Duality in Structure Functions

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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 is dominated by 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.

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Unit Title: Quark-Hadron Duality in Structure Functions

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Creator: Isgur, N.

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Language: eng

Biography or History: hep-ph/0104022JLAB-THY-01-02

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Other Descriptive Data: DOI: http://dx.doi.org/10.1103/PhysRevD.64.054005

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