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Electromagnetic Form Factors of the Proton

Bumiller, F. ; Croissiaux, M. ; Dally, E. ; et al.
Phys.Rev. 124 (1961) 1623-1631, 1961.
Inspire Record 47220 DOI 10.17182/hepdata.26853

This paper reports experimental findings on the Dirac (F1) and Pauli (F2) form factors of the proton. The form factors have been obtained by using the Rosenbluth formula and the method of intersecting ellipses in analyzing the elastic electron-proton scattering cross sections. A range of energies covering the interval 200-1000 Mev for the incident electrons is explored. Scattering angles vary from 35° to 145°. Values as high as q2≅31 f−2 (q=energy−momentumtransfer) are investigated, but form factors can be reliably determined only up to about q2=25 f−2. Splitting of the form factors is confirmed. The newly measured data are in good agreement with earlier Stanford data on the form factors and also with the predictions of a recent theoretical model of the proton. Consistency in determining the values of the form factors at different energies and angles gives support to the techniques of quantum electrodynamics up to q2≅25 f−2. At the extreme conditions of this experiment (975 Mev, 145°) the behavior of the form factors may be exhibiting some anomaly.

24 data tables
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Photoproduction of pi+ Mesons from Hydrogen in the Region 350-900 Mev

Heinberg, M. ; McClelland, W.M. ; Turkot, F. ; et al.
Phys.Rev. 110 (1958) 1211-1212, 1958.
Inspire Record 46812 DOI 10.17182/hepdata.26860

None

1 data table
Table 1

No description provided.


Electromagnetic Properties of the Proton and Neutron

Olson, D.N. ; Schopper, H.F. ; Wilson, R.R. ;
Phys.Rev.Lett. 6 (1961) 286-290, 1961.
Inspire Record 944908 DOI 10.17182/hepdata.20172

None

3 data tables
Table 1

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Negative-to-Positive Ratio of Photomesons from Deuterium

Sands, Matthew ; Teasdale, J.G. ; Walker, Robert L. ;
Phys.Rev. 95 (1954) 592-593, 1954.
Inspire Record 944931 DOI 10.17182/hepdata.589

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Proton compton effect in the region of the delta(1236)-resonance

Genzel, H. ; Jung, M. ; Rausch, K.R. ; et al.
Lett.Nuovo Cim. 4S2 (1972) 695-698, 1972.
Inspire Record 77720 DOI 10.17182/hepdata.37338

None

6 data tables
Table 1

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Positive-pion photoproduction by linearly polarized $\gamma$ rays. I: experimental method and results

Grilli, M. ; Spillantini, P. ; Soso, F. ; et al.
Nuovo Cim. 54 (1968) 877-896, 1968.
Inspire Record 1185332 DOI 10.17182/hepdata.37567

The apparatus and the experimental method used for the measurements of the single-π+ photoproduction by linearly polarized γ rays are described. The present results on the asymmetry ratioA (θ) are summaized. The range covered by our results is θ=(30÷145)o (c.m.) andE γ=(200÷450) MeV.

2 data tables
Table 1

No description provided.

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Form factor ...

Barkov, L.M. ; Blinov, G.A. ; Vasserman, I.B. ; et al.
NOVO-82-122, 1982.
Inspire Record 1501544 DOI 10.17182/hepdata.76464

None

1 data table
Table 1

Axis error includes +- 7/7 contribution (/LUMINOCITY, RADIATIVE CORRECTIONS, NUCLEAR ABSORPTION AND DECAY IN FLIGHT).