Berger, Christoph
DSIG/DOMEGA
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Sharp Backward Peak in p He-4 Elastic Scattering at 1.05-GeV

Berger, J. ; Duflo, J. ; Goldzahl, L. ; et al.
Phys.Rev.Lett. 41 (1978) 152-155, 1978.
Inspire Record 135350 DOI 10.17182/hepdata.20833

p-He4 elastic scattering has been measured at 1.05-GeV incident proton energy, close to 180° in the center of mass. The steep backward peak observed at lower energies is still present, but its slope appears to decrease.

1 data table
Table 1

No description provided.


He-3 Production in He-4 Fragmentation on Protons at 6.85-GeV/c

Bizard, G. ; Le Brun, C. ; Berger, J. ; et al.
Nucl.Phys.A 285 (1977) 461-468, 1977.
Inspire Record 125054 DOI 10.17182/hepdata.37099

The angular distribution of the inclusive reaction 4 He + p → 3 He + X was measured with 6.85 GeV/ c incident alphas. At large angles, the observed kinematics corresponds to the elastic scattering on the target proton of an 3 He present in the incoming 4 He, the remaining neutron being a spectator. This shows the presence of an important component of 3 He in 4 He. The integrated cross section for 3 He production is σ 3He = 24.1 ± 1.9 mb.

1 data table
Table 1

No description provided.


Electromagnetic form factors of the proton between 15 and 50 fm-2

Berger, Christoph ; Gersing, E. ; Knop, G. ; et al.
Phys.Lett.B 28 (1968) 6890258X 276-278, 1968.
Inspire Record 56842 DOI 10.17182/hepdata.29174

The external beam of the 2.5 GeV-electron-synchrotron has been used to measre elastic electron proton scattering at four-momentum-transfers between 15 and 50 fm<sup loc="post">−2</sup>. By combining these results with measurements at small angles at DESY, we have obtained the electric and magnetic form factors separately. Their ratio shows a deviation from the scaling law.

2 data tables
Table 1

No description provided.

Table 2

No description provided.