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Measurements of the \(^{197}\)Au(n, \(\gamma \)) cross section up to 100 keV at the CSNS Back-n facility

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Abstract

The neutron capture cross section of \(^{197}\hbox {Au}\) was measured using the time-of-flight (TOF) technique at the Back-n facility of the China Spallation Neutron Source (CSNS) in the 1 eV to 100 keV range. Prompt \(\gamma \)-rays originating from neutron-induced capture events were detected by four C\(_{6}\)D\(_{6}\) liquid scintillator detectors. Pulse height weighting technology (PHWT) was used to analyze the data. The results are in good agreement with ENDF/B-VIII.0, CENDL-3.1, and other evaluated libraries in the resonance region, and in agreement with both n\(\_\)TOF and GELINA experimental data in the 5–100 keV range. Finally, the resonance peaks in the energy range from 1 eV to 1 keV were fitted by the SAMMY R-matrix code.

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Acknowledgements

The authors would like to thank colleagues from the Back-n facility as well as Prof. Gui-Lin Zhang for his advice on data analysis.

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Authors and Affiliations

  1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China

    **n-Rong Hu, **n-**ang Li, Zi-Rui Hao, Pan Kuang, **ao-He Wang, Ji-Feng Hu & Bing Jiang

  2. University of Chinese Academy of Sciences, Bei**g, 100049, China

    **n-Rong Hu, Hong-Wei Wang, **n-**ang Li, Zi-Rui Hao, Pan Kuang & Bing Jiang

  3. Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China

    Gong-Tao Fan, Long-**ang Liu & Hong-Wei Wang

  4. Institute of High Energy Physics, Chinese Academy of Sciences, Bei**g, 100049, China

    Wei Jiang & Yue Zhang

  5. Spallation Neutron Source Science Center, Dongguan, 523803, China

    Wei Jiang & Yue Zhang

  6. Key Laboratory of Nuclear Data, China Institute of Atomic Energy, Bei**g, 102413, China

    Jie Ren

  7. **angtan University, **angtan, 411105, China

    Ying-Du Liu

  8. Institute of Nuclear Physics, Inner Mongolia University for the Nationalities, Tongliao, 028000, China

    De-**n Wang & Suyalatu Zhang

  9. Sun Yat-sen University, 510275, Zhuhai, China

    Zhen-Dong An

  10. Henan Normal University, **nxiang, 453007, China

    Yu-Ting Wang & Chun-Wang Ma

  11. Bei**g Normal University, 100875, Bei**g, China

    Jian-Jun He, Jun Su & Li-Yong Zhang

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  1. **n-Rong Hu
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection, and analysis were preformed by Hong-Wei Wang, **n-Rong Hu, Long-**ang Liu, and Gong-Tao Fan. The first draft of the manuscript was written by **n-Rong Hu, and all authors commented on previous of the manuscript. All authors read and approved the final manuscript.

Corresponding authors

Correspondence to Long-**ang Liu or Hong-Wei Wang.

Additional information

This work was supported by the National Natural Science Foundation of China (Nos. 11875311, 11905274, 11705156, and 11605097) and the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB34030000)

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Hu, XR., Fan, GT., Jiang, W. et al. Measurements of the \(^{197}\)Au(n, \(\gamma \)) cross section up to 100 keV at the CSNS Back-n facility. NUCL SCI TECH 32, 101 (2021). https://doi.org/10.1007/s41365-021-00931-w

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