How well do we know the electromagnetic form factors of the proton?

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Recent measurements of recoil polarization in elastic scattering have been used to extract the ratio of the electric to the magnetic proton form factors. These results disagree with Rosenbluth extractions from cross section measurements, indicating either an inconsistency between the two techniques, or a problem with either the polarization transfer or cross section measurements. To obtain precise knowledge of the proton form factors, they must first understand the source of this discrepancy.

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5 pages

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Arrington, J. September 24, 2002.

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Description

Recent measurements of recoil polarization in elastic scattering have been used to extract the ratio of the electric to the magnetic proton form factors. These results disagree with Rosenbluth extractions from cross section measurements, indicating either an inconsistency between the two techniques, or a problem with either the polarization transfer or cross section measurements. To obtain precise knowledge of the proton form factors, they must first understand the source of this discrepancy.

Physical Description

5 pages

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  • Electron-Nucleus Scattering-7, Elba (IT), 06/24/2002--06/28/2002

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  • Report No.: ANL/PHY/CP-108729
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 801579
  • Archival Resource Key: ark:/67531/metadc741640

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  • September 24, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • March 21, 2016, 8:48 p.m.

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Arrington, J. How well do we know the electromagnetic form factors of the proton?, article, September 24, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc741640/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.