The Onset of Quark-Hadron Duality in Pion Electroproduction - INSPIRE

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The Onset of Quark-Hadron Duality in Pion Electroproduction

Aug, 2006

11 pages

Published in:

Phys.Rev.Lett. 98 (2007) 022001

e-Print:

hep-ph/0608214 [hep-ph]

DOI:

10.1103/PhysRevLett.98.022001

Report number:

JLAB-PHY-06-536

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Abstract:

A large data set of charged-pion electroproduction from both hydrogen and deuterium targets has been obtained spanning the low-energy residual-mass region. These data conclusively show the onset of the quark-hadron duality phenomenon, as predicted for high-energy hadron electroproduction. We construct several ratios from these data to exhibit the relation of this phenomenon to the high-energy factorization ansatz of electron-quark scattering and subsequent quark-to- pion production mechanisms.

13.60.Le
12.40.Nn
12.39.St
13.87.Fh
electron p: inclusive reaction
electron deuteron: inclusive reaction
pi+: electroproduction
pi-: electroproduction
quark hadron: duality
symmetry: SU(6)

References(25)

Figures(0)

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