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Quark-hadron duality and & *p -> (delta) form factor

Journal Article · · Physics Letters B
OSTI ID:954413
We use local quark-hadron duality to estimate the purely nonperturbative soft contribution to the y*p -> delta form factors.Our results are in good agreement with existing experimental data.We predict that the ratio G*(sub)E(q^2)/G*(sub)M(Q^2) is small for all accessible Q^2, in contrast to the pQCD expectations that G*(sub)E(Q^2) -> -G*(sub)M(Q^2).
Research Organization:
Thomas Jefferson Lab National Accelerator Facility
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-84ER40150
OSTI ID:
954413
Report Number(s):
CEBAF-TH-95-11; hep-ph/9507337; DOE/ER/40150-295
Journal Information:
Physics Letters B, Journal Name: Physics Letters B Vol. 359; ISSN PYLBAJ; ISSN 0370-2693
Country of Publication:
United States
Language:
English

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