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Future long-baseline experiments will be crucial for probing physics beyond the Standard Model, including the large extra dimension (LED) framework, which addresses the hierarchy problem and neutrino mass naturally. LED alters neutrino oscillation probabilities, making these experiments sensitive to its parameters. We analyze the potential of T2HK, ESSnuSB, and DUNE in constraining LED, comparing charged and neutral current measurements at DUNE. Our results show that T2HK provides the strongest bounds, excluding \( R_{ED} \sim 0.45 (0.425)\) \(\mu \) m at \(90\% \) C.L. for the normal (inverted) hierarchy.

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Sensitivity of Future Long-Baseline Experiments to Large Extra Dimensions

  • 会议论文

  • 发表日期：

    2025年

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  • Samiran Roy

摘要

Future long-baseline experiments will be crucial for probing physics beyond the Standard Model, including the large extra dimension (LED) framework, which addresses the hierarchy problem and neutrino mass naturally. LED alters neutrino oscillation probabilities, making these experiments sensitive to its parameters. We analyze the potential of T2HK, ESSnuSB, and DUNE in constraining LED, comparing charged and neutral current measurements at DUNE. Our results show that T2HK provides the strongest bounds, excluding \( R_{ED} \sim 0.45 (0.425)\) \(\mu \) m at \(90\% \) C.L. for the normal (inverted) hierarchy.