Abstract
The measurement of the relative differential cross sections of the neutron-deuteron (\(n-d)\) elastic scattering, i.e., the \(^{2}\)H(n, el)\(^{2}\)H reaction, for 12 neutron energies from 13.56 MeV to 52.48 MeV has been carried out at the Back-n White Neutron Source of the China Spallation Neutron Source (CSNS). By detection of the recoil deuterons using the light charged particle detector array (LPDA) system, the relative differential cross sections of the neutrons in the center-of-mass frame were obtained and then compared with previous measurements, the theoretical calculations performed using the Nijmegen I nucleon-nucleon potential in the Faddeev formalism, and the evaluated from libraries including the ENDF-B/VIII.0, JEFF-3.3, JENDL-4.0, CENDL-3.2, and FENDL-3.2. The present work was the first measurement relative differential cross sections of the n-d scattering for the 30 MeV \(<E_{\mathrm{n}} \le \) 60 MeV neutron energy range using a white neutron source.
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Data Availability Statement
This manuscript has associated data in a data repository [Authors’ comment: The final results of the experiment are presented in Appendix A in this paper. The origin data contains binary data of the signal waveforms from the detectors and it is too big to upload or deliver.]
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Acknowledgements
The authors are grateful to the operating crew of the CSNS Back-n white neutron source. They would also like to thank Dr. Qiwen Fan from China Institute of Atomic Energy for preparing the \(\hbox {CD}_{{2}}\) sample. Dr. Elisa Pirovano from Physikalisch-Technische Bundesanstalt and Dr. Ronald Malone from the Lawrance Livermore National Laboratory are appreciated for valuable discussions. This work is supported in part by the National Natural Science Foundation of China under grant No. 11775006 and No. U2067205 and by the National Key R&D Program of China under grant No. 2016YFA0401604.
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Appendix A
Appendix A
See Table 3.
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Cui, Z., Jiang, H., Jiang, W. et al. Measurement of relative differential cross sections of the neutron-deuteron elastic scattering for neutron energy from 13 to 52 MeV. Eur. Phys. J. A 57, 310 (2021). https://doi.org/10.1140/epja/s10050-021-00610-9
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DOI: https://doi.org/10.1140/epja/s10050-021-00610-9