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Measurement of pion induced neutron-production double-differential cross sections on Fe and Pb at 870-MeV and 2.1-GeV

Iwamoto, Y. ; Shigyo, N. ; Satoh, D. ; et al.

Phys.Rev.C 70 (2004) 024602, 2004.

Inspire Record 658042 DOI 10.17182/hepdata.25223

Neutron-production double-differential cross sections for 870MeVπ+ and π− and 2.1GeVπ+ mesons incident on iron and lead targets were measured with NE213 liquid scintillators by time-of-flight technique. NE213 liquid scintillators 12.7cm in diameter and 12.7cm thick were placed in directions of 15, 30, 60, 90, 120, and 150°. The typical flight path length was 1.5m. Neutron detection efficiencies were evaluated by calculation results of SCINFUL and CECIL codes. The experimental results were compared with JAERI quantum molecular dynamics code. For the meson incident reactions, adoption of NN in-medium effects was slightly useful for reproducing 870MeVπ+-incident neutron yields at neutron energies of 10–30MeV, as was the case for proton incident reactions. The π− incident reaction generates more neutrons than π+ incidence as the number of nucleons in targets decrease.

10 data tables

Table 1

Neutron production cross section for 870 MeV PI+ on FE.

Table 2

Neutron production cross section for 870 MeV PI+ on FE.

Table 3

Neutron production cross section for 870 MeV PI- on FE.