Can INO be Sensitive to Flavor-Dependent Long-Range Forces?

Abstract

Flavor-dependent long-range leptonic forces mediated by the ultra-light and neutral bosons associated with gauged $L_e-L_{\mu }$ or $L_e-L_{\tau }$ symmetry constitute a minimal extension of the Standard Model. In presence of these new anomaly free abelian symmetries, the SM remains invariant and renormalizable, and can lead to interesting phenomenological consequences. For an example, the electrons inside the Sun can generate a flavor-dependent long-range potential at the Earth surface, which can enhance ${\nu }_{\mu }$ and ${\bar{\nu }}_{\mu }$ survival probabilities over a wide range of energies and baselines in atmospheric neutrino experiments. In this paper, we explore in detail the possible impacts of these long-range flavor-diagonal neutral current interactions due to $L_e-L_{\mu }$ and $L_e-L_{\tau }$ symmetries (one at-a-time) in the context of proposed 50 kt magnetized ICAL detector at INO. Combining the information on muon momentum and hadron energy on an event-by-event basis, ICAL can place stringent constraints on the effective gauge coupling ${\alpha }_{e\mu /e\tau }<1.2\times 10^{-53}$ ($1.75\times 10^{-53}$) at 90$\%$ (3$\sigma$) C.L. with 500 kt$\cdot$yr exposure. The 90$\%$ C.L. limit on ${\alpha }_{e\mu }$ (${\alpha }_{e\tau }$) from ICAL is $\sim 46$ (53) times better than the existing bound from the Super-Kamiokande experiment.

26 pages, 30 pdf figures, 2 tables

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• Updated fit to three neutrino mixing: exploring the accelerator-reactor complementarity
• Improvement of low energy atmospheric neutrino flux calculation using the JAM nuclear interaction model
• A Simulations Study of the Muon Response of the Iron Calorimeter Detector at the India-based Neutrino Observatory
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• Probing Lorentz Invariance Violation with Atmospheric Neutrinos at INO-ICAL
• Detection techniques and investigation of different neutrino experiments
• Exploring new physics with DUNE high energy flux: the case of Lorentz Invariance Violation, Large Extra Dimensions and Long Range Forces
• A plethora of long-range neutrino interactions probed by DUNE and T2HK
• Probing Long-Range Forces in Neutrino Oscillations at the ESSnuSB Experiment
• Exploring Long-Range Interactions in the Atmospheric Neutrino Oscillations at IceCube DeepCore