Bayatian, G.L.
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Measurement of Total Cross-Sections of Hadron Photoproduction in C, Cu and Pb Nuclei at E(gamma) = 12-GeV to 30-GeV

Arakelian, E.A. ; Bayatian, G.L. ; Vartanian, G.S. ; et al.
Phys.Lett.B 79 (1978) 143-146, 1978.
Inspire Record 122947 DOI 10.17182/hepdata.27424

The total cross section of hadron photoproduction on C, Cu and Pb nuclei is measured for six energy values in the range 12–30 GeV. The obtained cross-section values for C and Cu nuclei have a weak energy dependence at high energies (above 20 GeV). The cross section for the Pb nucleus is somewhat higher in comparison with that expected, and energy dependence is not observed. The A -dependence of the effective number of hadrons agrees with VDM predictions.

2 data tables
Table 1

No description provided.

Table 2

A-EFFECTIVE/A = SIG(GAMMA A)/(Z*SIG(GAMMA P) + (A-Z)*SIG(GAMMA N)) WHERE SIG(GAMMA P) = (98.7 +- 3.6) + (65 +- 10)/SQRT(P) MUB, SIG(GAMMA N) = SIG(GAMMA P) - (18.3 +- 6.1)/SQRT(P) MUB AND A IS 12, 64 AND 207 FOR THESE NUCLEI.