Li, C.
Electron production
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Production of Pion Resonances in pi+ p Interactions.

Alff-Steinberger, C. ; Berley, D. ; Colley, D. ;
Phys.Rev.Lett. 9 (1962) 322, 1962.
Inspire Record 48453 DOI 10.17182/hepdata.19352

None

1 data table
Table 1

No description provided.


Photoproduction and Neutral Decay Models of the eta Particle

Bacci, C. ; Penso, G. ; Salvini, G. ;
Phys.Rev.Lett. 11 (1963) 37, 1963.
Inspire Record 48435 DOI 10.17182/hepdata.21858

None

1 data table
Table 1

Axis error includes +- 0.0/0.0 contribution (?////The errors include an uncertainties in solid angle, efficiency, and background).


Positron-Proton Scattering

Browman, A. ; Liu, F. ; Schaerf, C. ;
Phys.Rev. 139 (1965) B1079-B1085, 1965.
Inspire Record 944961 DOI 10.17182/hepdata.26686

The importance of two-photon exchange in elastic electron-proton scattering was investigated by measuring the ratio of positron-proton to electron-proton scattering. Four-momentum transfers as large as 0.756 (BeV/c)2 (19.5 F−2) were used. The data indicate that two-photon effects are (4.0±1.5)% larger than those predicted by the radiative corrections at the highest momentum transfers attained in these experiments. The two-photon corrections predicted using a static charge distribution fit the data well at lower momentum transfers and forward angles, but appear to be small at higher momentum transfers and backward angles.

10 data tables
Table 1

Data recalculated from the data of Yount and Pine.

Table 2

Data recalculated from the data of Yount and Pine. RUN_1 and RUN_2 of the Yount and Pine experiment were separated by large time interval.

Table 3

Data recalculated from the data of Yount and Pine.

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Photoproduction of the Eta Particle at 800-1000 MeV. A Comparison Between the piN and the etaN Systems

Bacci, C. ; Penso, G. ; Salvini, G. ; et al.
Phys.Rev.Lett. 16 (1966) 157-161, 1966.
Inspire Record 944921 DOI 10.17182/hepdata.21793

None

1 data table
Table 1

No description provided.


Angular Distribution for Eta-Meson Photoproduction from Hydrogen at 775-850 MeV

Bacci, C. ; Baldini-Celio, R. ; Mencuccini, C. ; et al.
Phys.Rev.Lett. 20 (1968) 571-574, 1968.
Inspire Record 944916 DOI 10.17182/hepdata.21723

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


A COMPARISON OF ELECTRON - PROTON AND POSITRON - PROTON ELASTIC SCATTERING AT FOUR MOMENTUM TRANSFERS UP TO 5.0-GeV/c**2

Mar, J. ; Barish, Barry C. ; Pine, Jerome ; et al.
Phys.Rev.Lett. 21 (1968) 482-484, 1968.
Inspire Record 52726 DOI 10.17182/hepdata.21724

Measurements of the ratio (R) of positron-proton and electron-proton elastic-scattering cross sections have been made, with the square of the four-momentum transfer (q2) equal to 0.20, 0.69, 0.73, 1.54, 2.44, 3.27, 3.79, and 5.00 (GeV/c)2. The measurements, after radiative corrections, are consistent with R=1, with standard errors ranging from ±0.016 to ±0.123. The results give limits for the size of the two-photon effects.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


High-Energy Inelastic e p Scattering at 6-Degrees and 10-Degrees

Bloom, Elliott D. ; Coward, D.H. ; DeStaebler, H.C. ; et al.
Phys.Rev.Lett. 23 (1969) 930-934, 1969.
Inspire Record 54874 DOI 10.17182/hepdata.21635

Cross sections for inelastic scattering of electrons from hydrogen were measured for incident energies from 7 to 17 GeV at scattering angles of 6° to 10° covering a range of squared four-momentum transfers up to 7.4 (GeV/c)2. For low center-of-mass energies of the final hadronic system the cross section shows prominent resonances at low momentum transfer and diminishes markedly at higher momentum transfer. For high excitations the cross section shows only a weak momentum-transfer dependence.

9 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

Table 3

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

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Determination of the total photon - proton cross-section from high-energy inelastic electron scattering

Bloom, Elliott D. ; Cottrell, R.Leslie ; Coward, D.H. ; et al.
SLAC-PUB-0653, 1969.
Inspire Record 54903 DOI 10.17182/hepdata.9945

None

11 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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MEASUREMENT OF THE RATIO OF THE PROTON FORM-FACTORS, G(E) / G(M), AT HIGH MOMENTUM TRANSFERS AND THE QUESTION OF SCALING

Litt, J. ; Buschhorn, G. ; Coward, D.H. ; et al.
Phys.Lett.B 31 (1970) 40-44, 1970.
Inspire Record 54895 DOI 10.17182/hepdata.28767

Electron-proton elastic scattering cross sections have been measured at the Stanford Linear Accelerator Center at four-momentum transfers squared (q 2 ) of 1.0, 1.5, 2.0, 2.5and 3.75 (GeV/ c ) 2 . The angular distributions at q 2 = 2.5 and 3.75 (GeV/ c ) 2 are sufficient to provide values of the ratio G E / G M independent of the results from other laboratories. Our results are compatible with scaling, G E (q 2 ) = G M (q 2 )/ μ , within the experimental errors.

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Elastic electron-proton scattering cross-sections measured by a coincidence technique

Goitein, M. ; Budnitz, R.J. ; Carroll, L. ; et al.
Phys.Rev.D 1 (1970) 2449-2476, 1970.
Inspire Record 61717 DOI 10.17182/hepdata.25070

We have measured elastic electron-proton scattering cross sections in the range of four-momentum transfers from 7 F−2[0.27 (GeV/c)2] to 150 F−2 [5.84 (GeV/c)2] and at scattered electron angles of between 20° and 34° in the laboratory. The estimated errors in the cross sections range from ±2.1% at the lowest momentum transfer to ±9.6% at the highest. Both the scattered electron and the recoil proton were detected, resulting in an overdetermination of the kinematics. When the constraint of a coincident proton is removed, there is no significant change in the estimated cross sections.

15 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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