Phys. Rev. Lett. 86, 1713 - 1716 (2001)Measurement of the Charged Pion Electromagnetic Form Factor |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1973: |
Received 17 October 2000
Separated longitudinal and transverse structure functions for the reaction 1H(e,e′π+)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 parametrization fitted to very low Q2 elastic data.
©2001 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v86/p1713
DOI: 10.1103/PhysRevLett.86.1713
PACS: 14.40.Aq, 11.55.Jy, 13.40.Gp, 25.30.Rw
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