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Influence of Cross-Sectional Uncertainty on Sensitivity Studies of DUNE and T2HK Experiments

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Abstract

The ultimate objectives of ongoing and upcoming neutrino experiments are the precise measurement of neutrino mixing parameters and the confirmation of the mass hierarchy. The systematic inaccuracy in the cross-section models introduces inaccuracy in the neutrino mixing parameters estimation. It is important to secure a large decrease of uncertainties, particularly those related to cross-section, neutrino-nucleus interactions, and neutrino energy reconstruction, in order to achieve these ambitious goals. In this research article, we use three alternative neutrino event generators, GENIE, NuWro, and GiBUU, to analyze the sensitivity studies of T2HK, DUNE, and combined sensitivity of DUNE, and T2HK for mass hierarchy, CP violation, and octant degeneracy caused by cross-section uncertainties. The cross-section models of these generators are separate and independent.

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Acknowledgments

One of the authors, Miss Ritu Devi offers most sincere gratitude to the Council of Scientific and Industrial Research (CSIR), Government of India, for the financial support in the form of Senior Research Fellowship, file no. 09/100(0205)/2018-EMR-I.

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Authors and Affiliations

  1. Department Of Physics, University of Jammu, Jammu, India

    Ritu Devi & Baba Potukuchi

  2. Department Of Physics, University of Lucknow, Lucknow, India

    Jaydip Singh

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  1. Ritu Devi
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  2. Jaydip Singh
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  3. Baba Potukuchi
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Correspondence to Ritu Devi.

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Devi, R., Singh, J. & Potukuchi, B. Influence of Cross-Sectional Uncertainty on Sensitivity Studies of DUNE and T2HK Experiments. Int J Theor Phys 61, 243 (2022). https://doi.org/10.1007/s10773-022-05228-1

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