Electroproduction of Resonances at Large Momentum Transfers
V. M. Braun
TL;DR
This paper discusses how measuring nucleon resonance electroproduction at high momentum transfers can reveal details about quark wave functions and chiral symmetry breaking, combining lattice and sum rule methods.
Contribution
It proposes a combined theoretical approach using lattice calculations and light-cone sum rules to analyze resonance electroproduction at large Q^2.
Findings
Insights into quark wave functions at small transverse separations
Comparison of form factors for states of opposite parity
Potential understanding of chiral symmetry breaking mechanisms
Abstract
Measurements of transition form factors for the electro-excitation of nucleon resonances in the Q^2=5-14 GeV^2 region can provide one with the information on quark wave functions at small transverse separations. In particular a comparison of form factors for the states of opposite parity can give insight in the mechanisms of chiral symmetry breaking. I discuss perspectives of the theoretical description of such reactions using a combination of lattice calculations and light-cone sum rules
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