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Publications de l'IPNO |  |
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Publications de l'IPNO | |
| HAL: in2p3-00710567, version 1 |
| arXiv: 0909.4736 |
| Detailed view |  Export this paper |
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| Compilation and analysis of charge asymmetry measurements from electron and positron scattering on nucleon and nuclei |
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| E. Tomasi-Gustafsson1, 2M. OsipenkoE. A. KuraevYu. Bystritsky |
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| (2012) |
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| World data on the lepton-charge asymmetry in the elastic and inelastic lepton scattering off the proton and nuclei are compiled and discussed. After reviewing the published results, we compare the elastic data to a model calculation of the two-photon exchange mechanism. We show that the existing data do not provide any evidence for the two-photon contribution. At significance level 0.05 the data allow to exclude the two-photon exchange as an explanation for the difference between Rosenbluth and polarization measurements of proton electromagnetic form factors. |
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| 1: | IPNO - Institut de Physique Nucléaire d'Orsay |
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| 2: | IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers (ex DAPNIA) |
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| Subject(s) | : | Physics/High Energy Physics - Phenomenology |
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| Fulltext link: |
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| http://fr.arXiv.org/abs/0909.4736 |
| in2p3-00710567, version 1 | |
| http://hal.in2p3.fr/in2p3-00710567 | |
| oai:hal.in2p3.fr:in2p3-00710567 | |
| From: Sophie Heurteau | |
| Submitted on: Thursday, 21 June 2012 10:23:58 | |
| Updated on: Thursday, 21 June 2012 11:27:03 | |
