Sensitivity of pQCD deuteron structure to the nucleon form factors

Details Sensitivity of pQCD deuteron structure to the nucleon form factors Sensitivity of pQCD deuteron structure to the nucleon form factors

2002-11-18

arxiv.org/abs/hep-ph/0211278v1

Eur.Phys.J. A16 (2003) 563-567

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

We discuss the applicability of pQCD to the elastic scattering of electrons on protons and deuterons. We analyze the $Q^2$-dependence of the reduced deuteron form factor, taking into account the recent data on the electric proton form factor and we find that the value of the QCD-scale parameter $\Lambda$ differs essentially from the value $\Lambda=0.1$ GeV, previously found using the dipole parametrization of the electromagnetic nucleon form factors $G_E$ and $G_M$. Moreover the predicted scaling behavior of the reduced deuteron form factor can not be recovered in the Dirac and Pauli representations for the nucleon electromagnetic form factors.

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