A measurement of the pion charge radius
1984
Abstract We report a measurement of the negative pion electromagnetic form factor in the range of space-like four-momentum transfer 0.014 q 2 c ) 2 . The measurement was made by the NA7 collaboration at the CERN SPS, by observing the interaction of 300 GeV pions with the electrons of a liquid hydrogen target. The form factor is fitted by a pole form with a pion radius of 〈r 2 〈 1 2 = 0.657 ± 0.012 fm.
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