Domingo, Vincent
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Proton-antiproton elastic scattering at 2.7 GeV/c

Domingo, Vincent ; Fisher, George P. ; Sears, Robert ;
Bull.Am.Phys.Soc. 12 (1967) 470, 1967.
Inspire Record 1393550 DOI 10.17182/hepdata.50400

None

1 data table
Table 1

No description provided.


Elastic scattering of 2.7 GeV/c antiprotons on protons

Domingo, V. ; Fisher, G.P. ; Marshall Libby, L. ; et al.
Phys.Lett.B 24 (1967) 642-644, 1967.
Inspire Record 1392675 DOI 10.17182/hepdata.29564

The differential elastic scattering cross section for 2.7 GeV c antiprotons on protons has been studied using film from the 20″ BNL hydrogen bubble chamber. The diffraction pattern based on a total sample of 7300 events shows a sharp forward maximum, a first diffraction minimum, and a second maximum. The forward diffraction peak is fitted by ( d σ d t ) elastic =[325 ± 6 mb ( GeV c ) 2 ] exp [−13.3 ± 0.2( GeV c ) −2 t and the total elastic cross section is found to be 25.6 ± 0.6 mb. The first and second diffraction peaks are fitted by the optical model formula for a “black” disc. d σ d t ∼ [j 1 (2k R sin 1 2 θ)] 2 (1 + a cos θ) 2 where R = 1.2 fm and a = −5.

1 data table
Table 1

No description provided.