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The structure of the nucleon: Elastic electromagnetic form factors

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Abstract

Precise proton and neutron form factor measurements at Jefferson Lab, using spin observables, have recently made a significant contribution to the unraveling of the internal structure of the nucleon. Accurate experimental measurements of the nucleon form factors are a test-bed for understanding how the nucleon’s static properties and dynamical behavior emerge from QCD, the theory of the strong interactions between quarks. There has been enormous theoretical progress, since the publication of the Jefferson Lab proton form factor ratio data, aiming at reevaluating the picture of the nucleon. We will review the experimental and theoretical developments in this field and discuss the outlook for the future.

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Authors and Affiliations

  1. Norfolk State University, 23504, Norfolk, VA, USA

    V. Punjabi

  2. The College of William & Mary, 23187, Williamsburg, VA, USA

    C. F. Perdrisat & C. E. Carlson

  3. Thomas Jefferson National Accelerator Facility, 23606, Newport News, VA, USA

    M. K. Jones & E. J. Brash

  4. Christopher Newport University, 23606, Newport News, VA, USA

    E. J. Brash

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Punjabi, V., Perdrisat, C.F., Jones, M.K. et al. The structure of the nucleon: Elastic electromagnetic form factors. Eur. Phys. J. A 51, 79 (2015). https://doi.org/10.1140/epja/i2015-15079-x

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