STUDY ON THE NUCLEAR-REACTIONS OF NB-93, TA-181, AND AU-197 INDUCED BY SECONDARY NEUTRONS IN 40 MEV NUCLEON AR-40 ION COLLISIONS/

Authors
LI WX OHKUBO Y AMBE S KOBAYASHI Y IWAMOTO M MAEDA H AMBE F
Citation
Wx. Li et al., STUDY ON THE NUCLEAR-REACTIONS OF NB-93, TA-181, AND AU-197 INDUCED BY SECONDARY NEUTRONS IN 40 MEV NUCLEON AR-40 ION COLLISIONS/, Chemistry Letters, (2), 1994, pp. 277-280
Citations number
9
Categorie Soggetti
Chemistry
Journal title
Chemistry Letters → ACNP
ISSN journal
03667022
Issue
2
Year of publication
1994
Pages
277 - 280
Database
ISI
SICI code
0366-7022(1994):2<277:SOTNON>2.0.ZU;2-1
Abstract
Nuclear reactions of Nb-93, Ta-181 and Au-197 induced by secondary neu trons produced by irradiation of a thick, stainless steel target with 40 MeV/nucleon Ar-40 ions were investigated by off-line gamma-ray spec troscopy. Yields of the radioactive products have been determined rela tive to that of Na-24 produced by the Al-27(n,alpha)Na-24 reaction. Th e slopes of the mass distributions deduced from the experimental data are independent of the target species. Up to 7 nucleons were removed f rom the target nuclei, indicating significant presence of the neutrons with energies higher than 70 MeV.