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Isomeric ratio of 137mCe to 137gCe produced in 138Ce(γ, n)137m,gCe photonuclear reaction induced by end-point bremsstrahlung energies from 14 to 17, 21 to 23 and at 19 MeV

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Abstract

The isomeric ratios in 138Ce(γ, n)137m,gCe photonuclear reaction have been measured for energy ranges from 14 to 17, 21 to 23 and at 19 MeV end-point bremsstrahlung energies by the activation method. In order to improve the accuracy of the experimental results, necessary corrections and data analysis were made in the γ-ray activity measurements. The results were analyzed, discussed and compared with the similar data from literature to examine the role of excitation energy and the influence of channel effects. The above obtained data are the first time measurements.

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Acknowledgments

This work has been performed at the Flerov Laboratory of Nuclear Reaction, Joint Institute for Nuclear Research, Dubna, Russia. The authors would like to express sincere thanks to the Chemical Department of the Flerov Laboratory of Nuclear Reaction for providing the measurement system. The Vietnamese authors B. M. Hue and T. D. Thiep would like to thank for the support from the Institute of Physics, Vietnam Academy of Science and Technology.

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Authors and Affiliations

  1. Institute of Physics, VAST, 10 Dao Tan St., Ba Dinh Region, Hanoi, Vietnam

    Tran Duc Thiep, Truong Thi An, Phan Viet Cuong, Nguyen The Vinh & Bui Minh Hue

  2. Flerov Laboratory of Nuclear Reactions, JINR, Dubna, Moscow Region, Russia, 141980

    A. G. Belov, O. D. Maslov, T. T. T. My & M. V. Gustova

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  1. Tran Duc Thiep
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  2. Truong Thi An
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  3. Phan Viet Cuong
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  4. Nguyen The Vinh
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  6. A. G. Belov
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  9. M. V. Gustova
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Correspondence to Tran Duc Thiep.

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Thiep, T.D., An, T.T., Cuong, P.V. et al. Isomeric ratio of 137mCe to 137gCe produced in 138Ce(γ, n)137m,gCe photonuclear reaction induced by end-point bremsstrahlung energies from 14 to 17, 21 to 23 and at 19 MeV. J Radioanal Nucl Chem 311, 887–892 (2017). https://doi.org/10.1007/s10967-016-5064-2

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