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Measurements of electron-proton elastic cross sections for $0.4 < Q^2 < 5.5 (GeV/c)^2$

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arxiv nucl-ex/0401030 v5 pith:LAFRZETT submitted 2004-01-23 nucl-ex

classification nucl-ex
keywords measurementscrosssectionelasticelectron-protonhalljeffersonrange
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abstract

We report on precision measurements of the elastic cross section for electron-proton scattering performed in Hall C at Jefferson Lab. The measurements were made at 28 unique kinematic settings covering a range in momentum transfer of 0.4 $<$ $Q^2$ $<$ 5.5 $(\rm GeV/c)^2$. These measurements represent a significant contribution to the world's cross section data set in the $Q^2$ range where a large discrepancy currently exists between the ratio of electric to magnetic proton form factors extracted from previous cross section measurements and that recently measured via polarization transfer in Hall A at Jefferson Lab.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Investigation of Medium Modifications to $^{12}$C Structure Functions in the Resonance Region

    nucl-ex 2025-01 conditional novelty 6.0 of 10

    In the nucleon resonance region, R=sigma_L/sigma_T is on average about 25% larger for carbon-bound nucleons than for deuterium, indicating distinct nuclear modifications for F1, F2, and FL.

  2. Electromagnetic nucleon form factors in the extended vector meson dominance model

    hep-ph 2024-12 conditional novelty 4.0 of 10

    A six-parameter extended vector meson dominance model with four rho/omega radial excitations per channel is fitted to world data on nucleon form factors, giving a moderate but physically constrained description.

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