Empirical transverse charge densities in the nucleon-to-P11(1440) transition

Abstract

Using recent experimental data, we analyze the electromagnetic transition from the nucleon to the P11(1440) resonance. From the resulting empirical transition form factors, we map out the quark transverse charge densities which induce the N to P11(1440) transition. It is found that the transition from the proton to its first radially excited state is dominated by up quarks in a central region of around 0.5 fm and by down quarks in an outer band which extends up to about 1 fm.

11 pages, 5 figures

References in corpus (5)

• Unitary Isobar Model - MAID2007
• Electromagnetic excitation of the Delta(1232)-resonance
• Empirical transverse charge densities in the nucleon and the nucleon-to-$\Delta$ transition
• The nucleon to Delta electromagnetic transition form factors in lattice QCD
• Recoil polarization and beam-recoil double polarization measurement of ηelectroproduction on the proton in the region of the S_{11}(1535) resonance

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• The Standard Model theory of neutron beta decay
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• Transverse densities and generalized parton distributions of $\rho$ meson in light front quark model
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• Meson Production and Baryon Resonances at CLAS
• Measuring transverse shape with virtual photons