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Study of (n, 2n) reaction cross sections for 107Ag within the energy range of 9–22 MeV

The European Physical Journal Plus volume 136, Article number: 532 (2021) Cite this article

Abstract

The 107Ag(n, 2n)106mAg reaction cross sections at the neutron energies of 10.50 ± 0.68, 13.52 ± 0.67, 16.86 ± 0.58 and 19.86 ± 0.59 MeV were measured by using the off-line γ-ray spectroscopy and activation analysis techniques. The 7Li(p, n) reaction was used to produce the high-energy quasi-monoenergetic neutrons with the proton beam from the 14UD BARC-TIFR Pelletron facilities at Mumbai, India. The neutron flux was monitored using the standard 27Al(n, α)24Na monitor reaction. The detailed uncertainties analysis in the measured cross sections was performed using the covariance analysis. The cross sections were also theoretically calculated using TALYS-1.9 code from 10 to 25 MeV energies. The measured cross-sections data are compared with the evaluated data from TENDL-2019, JENDL-4.0 and ENDF/B-VIII.0 libraries as well as with the existing experimental data available in EXFOR compilation. Our data show good agreement with some of the previous experimental data and with the theoretical values calculated with TALYS-1.9 code. Present work will provide better description of level density models and pre-equilibrium process.

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Data Availability Statement

This manuscript has associated data in a data repository. [Authors’ comment: These data are new data and the data will be put in the EXFOR data library after publication.]

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Acknowledgement

The authors are thankful to staff of BARC-TIFR Pelletron accelerator facility for their support and help during the experiment. Special thanks to Mr. Rohan from BARC-TIFR target laboratory for preparing Li and Ta targets for the experiment. One of the authors (Rakesh Chauhan) is thankful to The Maharaja Sayajirao University of Baroda for providing financial support through minor research project. One of the authors (RKS) is thankful for financial assistance from the IUAC New Delhi through a research project.

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Authors and Affiliations

  1. Department of Physics, Faculty of Science, The M. S. University of Baroda, Vadodara, 390002, India

    Rakesh Chauhan, R. K. Singh, N. L. Singh, Rajnikant Makwana & S. Mukherjee

  2. Institute for Plasma Research, Gandhinagar, 382428, India

    Mayur Mehta

  3. Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, India

    S. V. Suryanarayana

  4. Radiochemistry Division, Bhabha Atomic Research Centre, Mumbai, India

    B. K. Nayak & H. Naik

  5. Department of Electrical Power Engineering, Brno University of Technology, Brno, 61600, Czech Republic

    J. Varmuza & K. Katovsky

Authors
  1. Rakesh Chauhan
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  2. R. K. Singh
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  3. N. L. Singh
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Correspondence to Rakesh Chauhan.

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Chauhan, R., Singh, R.K., Singh, N.L. et al. Study of (n, 2n) reaction cross sections for 107Ag within the energy range of 9–22 MeV. Eur. Phys. J. Plus 136, 532 (2021). https://doi.org/10.1140/epjp/s13360-021-01449-1

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  • DOI: https://doi.org/10.1140/epjp/s13360-021-01449-1