Year: 2024
Type: article
Abstract: \nIn this work, we study the impact of the environmental decoherence at Protvino to ORCA (P2O) experiment which has a substantial baseline of 2595 kilometres. We simulate this experiment assuming different phenomenological models and considering energy dependency of decoherence parameter, $${\\gamma \\, {\\propto }\\, E_v^n} $$. Here, Ev is the neutrino energy and n = 0, ±1, ±2. We estimate the sensitivity of P2O experiment to obtain the upper bounds on y parameters in each of these cases. Additionally, we use these bounds to illustrate the effect of environmental decoherence on mass hierarchy (MH) and CP violation (CPV) sensitivity of this experiment.\nWe have noted that P2O poses the strong bound on γ ≤ 1.89 × 10-24 GeV (90% CL) for the case of n = 0. Moreover, we observed that while the MH sensitivity has not changed significantly in all the cases, CP violation sensitivity increased above the standard case for all true values of δCP.\n
Authors: Chinmay Bera, Deepthi K N
Institution: Mahindra University
Language: English
Topic: Neutrino Physics Research
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W6959605712
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