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Measurement of the Charged Pion Electromagnetic Form Factor

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arxiv nucl-ex/0010009 v2 pith:5A65XCQS submitted 2000-10-16 nucl-ex hep-ex

Measurement of the Charged Pion Electromagnetic Form Factor

J. Volmer (for the JLab Fpi collaboration) This is my paper
classification nucl-ex hep-ex
keywords factorformpionlongitudinalregionwereassumedcharge
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Separated longitudinal and transverse structure functions for the reaction 1H(e,eprime pi+)n were measured in the momentum transfer region Q2=0.6-1.6 (GeV/c)**2 at a value of the invariant mass W=1.95 GeV. New values for the pion charge form factor were extracted from the longitudinal cross section by using a recently developed Regge model. The results indicate that the pion form factor in this region is larger than previously assumed and is consistent with a monopole parameterization fitted to very low Q2 elastic data.

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Cited by 3 Pith papers

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    The authors use the two-flavor NJL model to obtain medium-modified constituent quark masses and then compute the in-medium pion electromagnetic form factor, distribution amplitude, and parton distribution function via...

  2. Extraction of Pion Unpolarized Quark Generalized Parton Distribution from Charge Form Factors

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    Pion unpolarized quark GPDs at zero skewness are extracted from a data-driven fit to the electromagnetic form factor and PDFs using a parameterized form factor embedded in a PDF-plus-profile GPD framework.

  3. Pion structure in Holographic QCD

    hep-ph 2026-06 unverdicted novelty 3.0

    A holographic model with effective linear confinement and gluon condensation simultaneously reproduces the pion mass spectrum and form factors in reasonable agreement with experiment and lattice QCD.