/ Experiment-Nucl nucl-ex/0507009


Excitation functions of product nuclei from 40-2600 MeV proton-irradiated Pb-206, Pb-207, Pb-208, Pb-nat and Bi-209


Titarenko, Yury E. (Moscow, ITEP) ; Batyaev, Viacheslav F. (Moscow, ITEP) ; Mulambetov, Ruslan D. (Moscow, ITEP) ; Zhivun, Valery M. (Moscow, ITEP) ; Barashenkov, Vladilen S. (Dubna, JINR) ; Mashnik, Stepan G. (Los Alamos) ; Shubin, Yury N. (Obninsk, Inst. Phys. Power Eng.) ; Ignatyuk, Anatoly V. (Obninsk, Inst. Phys. Power Eng.)

Published in: Nucl.Instrum.Meth.
Year: 2006
Vol.: A562
Page No: 801-805
Pages: 4

Abstract: The work is aimed at experimental determination of the independent and cumulative yields of radioactive residual nuclei produced in intermediate-energy proton-irradiated thin targets made of highly isotopic enriched and natural lead (206,207,208,natPb) and 209Bi. 5972 radioactive product nuclide yields have been measured in 55 thin targets induced by 0.04, 0.07, 0.10, 0.15, 0.25, 0.6, 0.8, 1.2, 1.4, 1.6, and 2.6 GeV protons extracted from the ITEP U-10 proton synchrotron. The measured data have been compared with data obtained at other laboratories as well as with theoretical simulations by seven codes. We found that the predictive power of the tested codes is different but is satisfactory for most of the nuclides in the spallation region, though none of the codes agree well with the data in the whole mass region of product nuclides and all should be improved further.

Keyword(s): Nuclear reaction ; Spallation ; Fission ; Fragmentation ; Residual nuclides ; Cross-sections ; Monte Carlo simulation

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