Measurement of the neutron fluence on the spallation source at Dubna
作者： J. Adam , V. S. Barashenkov , S. Ganesan , S. Golovatiouk , S. K. Gupta
DOI: 10.3139/124.100234
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摘要: A 232 Th activation sample was exposed directly to the spallation neutrons produced by 1GeV proton colliding with a lead target and other samples of 197 Au, 209 Bi, 59 Co, 115 In 181 Ta were irradiated moderated after passing through 6 cm paraffin. Different (n, γ) xn) reaction products in Th, Au Bi are analyzed gamma-ray spectrometry measure neutron fluence at positions samples. For this purpose histogram 'flat' spectrum averaged cross-sections over thirty given energy groups determined from PREPRO-2000 software. Results measurements compared Monte-Carlo simulations Dubna CASCADE code. Experimental values for both fluences reasonable agreement Thus, experimentally measured used infer 'one group' reactions x = 9.
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