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The apparent discrepancy between the Rosenbluth and the polarization transfermethod for the ratio of the electric to magnetic proton form factors can beexplained by a two-photon exchange correction which does not destroy thelinearity of the Rosenbluth plot. Though intrinsically small, of the order of afew percent of the cross section, this correction is kinematically enhanced inthe Rosenbluth method while it is small for the polarization transfer method,at least in the range of (Q^2) where it has been used until now.Comment: 4 pages, 4 figures. Version accepted for publication in Phys. Rev.  Let

How to Reconcile the Rosenbluth and the Polarization Transfer Methods in the Measurement of the Proton Form Factors