How to Reconcile the Rosenbluth and the Polarization Transfer Methods in the Measurement of the Proton Form Factors
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- 3 October 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 91 (14) , 142303
- https://doi.org/10.1103/physrevlett.91.142303
Abstract
The apparent discrepancy between the Rosenbluth and the polarization transfer methods for the ratio of the electric to magnetic proton form factors can be explained by a two-photon exchange correction which does not destroy the linearity of the Rosenbluth plot. Though intrinsically small, of the order of a few percent of the cross section, this correction is accidentally amplified in the case of the Rosenbluth method.Keywords
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