Beddo, M.E.
[5.0, 10.0]
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A Study of the Reaction anti-p n --> anti-p p pi- at 14.6-GeV/c

Brucker, E.B. ; Koller, E.L. ; Raths, O. ; et al.
Phys.Rev.D 10 (1974) 1373, 1974.
Inspire Record 89251 DOI 10.17182/hepdata.25045

From a 98000-photograph exposure of the BNL 80-in. deuterium-filled chamber to a 14.6-GeV/c p¯ beam we have extracted those events that fit the channel p¯n→p¯pπ−. The cross section for this channel is measured to be 730 ± 50 μb. The cross section for the reaction p¯n→Δ¯−−(1238)p is determined to be 130 ± 30 μb. Evidence for target dissociation is presented. A comparison with the reaction π−n→π−pπ− at the same energy indicates agreement with factorization.

1 data table
Table 1

No description provided.


Electron-Positron Elastic Scattering at 5-GeV Center-Of-Mass Energy

Newman, H. ; Averill, R. ; Eshelman, J. ; et al.
Phys.Rev.Lett. 32 (1974) 483, 1974.
Inspire Record 744 DOI 10.17182/hepdata.21306

We have measured the cross section, the distribution of scattering angles, and the distribution of noncoplanarity angles for electron-positron elastic scattering at 5 GeV c. m. energy. An analysis based on 230 events with scattering angles between 50 and 130° yields a ratio of the experimental to theoretical quantum-electrodynamic cross section of 1.03 ± 0.09. The scattering-angle and noncoplanarity-angle distributions are also found to be in excellent agreement with the quantum-electrodynamic predictions.

1 data table
Table 1

No description provided.