MEASUREMENT OF THE ANGULAR DISTRIBUTION OF COMPTON SCATTERING OFF PROTONS gamma p ---> gamma p BETWEEN 800-MeV AND 950-MeV

de Marne, Klaus-Dieter ;
BONN-IR-79-5, 1979.
Inspire Record 140558 DOI 10.17182/hepdata.50146

None

6 data tables

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MEASUREMENT OF THE ANGULAR DISTRIBUTION OF COMPTON SCATTERING OFF PROTONS gamma p ---> gamma p BETWEEN 800-MeV AND 950-MeV

Leu, Peter ;
PhD Thesis, 1979.
Inspire Record 140559 DOI 10.17182/hepdata.50225
6 data tables

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Differential Cross-Sections for the pi0 Photoproduction at Theta (CM) = 90-Degrees and K (Lab) = 380-MeV-820-MeV

Jung, M. ; Kattein, J. ; Leu, P. ; et al.
BONN-HE-76-15, 1976.
Inspire Record 111677 DOI 10.17182/hepdata.50235

None

1 data table

No description provided.


Photoproduction of pi0 Mesons from Hydrogen at 180-degrees

Cassiday, G.L. ; Fischer, H. ; Ito, A. ; et al.
Phys.Rev.Lett. 21 (1968) 933-934, 1968.
Inspire Record 944912 DOI 10.17182/hepdata.21702

We measured the π0 photoproduction differential cross section at 180° for a range of incident photon energies between 650 and 1750 MeV. The cross sections are dominated by the D13(1525), D15(1688), and F37(1920) resonances.

1 data table

No description provided.


Eta Photoproduction in the Region from Threshold to 940 MeV

Prepost, R. ; Lundquist, D. ; Quinn, D. ;
Phys.Rev.Lett. 18 (1967) 82-86, 1967.
Inspire Record 52317 DOI 10.17182/hepdata.21768

None

2 data tables

Axis error includes +- 0.0/0.0 contribution (?////).

Axis error includes +- 0.0/0.0 contribution (?////).


Pi-+ photoproduction in forward direction

Ito, A. ; Loe, R. ; Loh, E.C. ; et al.
Phys.Rev.Lett. 24 (1970) 687-690, 1970.
Inspire Record 62934 DOI 10.17182/hepdata.21670

The ratio of π− to π+ off deuterium was measured as a function of incident photon energy from 600 to 1700 MeV in the forward direction. The ratio shows a broad dip around a center-of-mass energy of 1700 MeV, resulting presumably from the collective effect of several isospin-½ resonances in this energy region. Such a change in the ratio is reflected in the rapid variation of the isoscalar photoproduction amplitude since we found the isovector photoproduction amplitude to be a relatively smooth function decreasing slowly with increasing incident photon energy.

1 data table

No description provided.


Proton Compton Scattering Measurement From 450 to 1350 MeV Near 90-degrees in the Center-of-Mass System

Rust, D.R. ; Eisenhandler, E. ; Mostek, P.J. ; et al.
Phys.Rev.Lett. 15 (1965) 938-941, 1965.
Inspire Record 944922 DOI 10.17182/hepdata.21794

None

1 data table

No description provided.


Elastic Scattering of Gamma Rays by Protons

Stiening, R.F. ; Loh, E. ; Deutsch, Martin ;
Phys.Rev.Lett. 10 (1963) 536-537, 1963.
Inspire Record 46876 DOI 10.17182/hepdata.21849

None

1 data table

No description provided.


Photoproduction of $\pi^0$ from Hydrogen near the Second Pion-Nucleon Resonance

DeStaebler, H.C. ; Erickson, E.F. ; Hearn, Anthony C. ; et al.
Phys.Rev. 140 (1965) B336-B348, 1965.
Inspire Record 48749 DOI 10.17182/hepdata.26402

Angular distributions for π0 photoproduction from hydrogen at energies between 660 and 800 MeV and proton center-of-mass angles from 0° to 140° have been measured and analyzed. Some variation from a pure d32 state is seen in the resonance region. A possible high-momentum-transfer enhancement of the cross section is discussed.

13 data tables

Axis error includes +- 0.0/0.0 contribution (3 TO 10////).

Axis error includes +- 0.0/0.0 contribution (3 TO 10////).

Axis error includes +- 0.0/0.0 contribution (3 TO 10////).

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Photoproduction of pi0 from Hydrogen near the Second and Third Pion-Nucleon Resonances

Ward, C. ; Kenton, B. ; York, C. ;
Phys.Rev. 159 (1967) 1176-1186, 1967.
Inspire Record 944950 DOI 10.17182/hepdata.26564

Measurements of the differential cross section for the process γ+p→π0+p have been made at eight pion center-of-mass angles in the range 51-135° and for incident photon energies from approximately 600-1200 MeV. The bremsstrahlung photon beam used was obtained from the California Institute of Technology electron synchrotron. Both the recoil proton and one γ ray from the decay of the π0 were detected. The incident photon energy was determined by measuring the laboratory angle and time of flight of the recoil proton. The angular distributions obtained indicate that the third pion-nucleon resonance is predominantly a D(52) resonance excited by a magnetic quadrupole transition. It can also be concluded that any contribution to the π0 photoproduction cross section from a virtual vector-meson exchange process is probably negligible in the region of the second and third pion-nucleon resonances.

3 data tables

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