Authors:
H. Naik Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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S. Surayanarayana Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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V. Mulik Department of Physics, University of Pune, Pune, 411 007 India

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P. Prajapati Department of Physics, Faculty of Science, The M. S. University of Baroda, Vadodara, 390 002 India

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B. Shivashankar Department of Statistics, Manipal University, Manipal, 576 104 India

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K. Jagadeesan Radiopharmaceutical Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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S. Thakare Radiopharmaceutical Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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D. Raj Reactor Physics Design Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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S. Sharma Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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P. Bhagwat Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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S. Dhole Department of Physics, University of Pune, Pune, 411 007 India

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S. Ganesan Reactor Physics Design Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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V. Bhoraskar Department of Physics, University of Pune, Pune, 411 007 India

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A. Goswami Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, 400 085 India

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Abstract  

The 238U(n, γ)239U reaction cross-section at average neutron energy of 3.7 ± 0.3 MeV from the 7Li(p, n)7Be reaction has been determined using activation and off-line γ-ray spectrometric technique. The 238U(n, γ)239U and 238U(n, 2n)237U reaction cross-sections at average neutron energy of 9.85 ± 0.38 MeV from the same 7Li(p, n)7Be reaction have been also determined using the above technique. The experimentally determined 238U(n, γ)239U and 238U(n, 2n)237U reaction cross-sections were compared with the evaluated data of ENDF/B-VII, JENDL-4.0, JEFF-3.1 and CENDL-3.1. The experimental values were found to be in general agreement with the evaluated value based on ENDF/B-VII, and JENDL-4.0 but not with the JEFF-3.1 and CENDL-3.1. The present data along with literature data in a wide range of neutron energies were interpreted in terms of competition between different reaction channels including fission. The 238U(n, γ)239U and 238U(n, 2n)237U reaction cross-sections were also calculated theoretically using the TALYS 1.2 computer code and were also found to be in agreement experimental data.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)