Distinguishing beyond-standard model effects in neutrino oscillation
We systematically assess the DUNE experiment's ability to distinguish between various beyond-standard neutrino oscillation hypotheses pair combinations. For a pair comparison, we evaluate the statistical separation, where one hypothesis plays the role of the true signal while the other correspo...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-04-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269325001376 |
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| author | A. Calatayud-Cadenillas A. Pérez-G A.M. Gago |
| author_facet | A. Calatayud-Cadenillas A. Pérez-G A.M. Gago |
| author_sort | A. Calatayud-Cadenillas |
| collection | DOAJ |
| description | We systematically assess the DUNE experiment's ability to distinguish between various beyond-standard neutrino oscillation hypotheses pair combinations. For a pair comparison, we evaluate the statistical separation, where one hypothesis plays the role of the true signal while the other corresponds to the test signal. The beyond-standard neutrino oscillation hypotheses under scrutiny include neutrino decay (invisible and visible), non-standard inter-actions, quantum decoherence, and the violation of the equivalence principle. We found that the violation of the equivalence principle is the easiest to differentiate compared to the rest of the hypotheses. Additionally, from our χ2 statistical separation test, we investigate potential discrepancies between the measured CP-violation phase δCP, θ23, and Δm312 relative to their respective true values, which could occur for a given comparison. In our analysis, we will take the true values of δCP as 90∘ and 180∘, while θ23 and Δm312 are fixed in its global fit values. In particular, even in cases where the scenarios of beyond-standard neutrino oscillation hypotheses are statistically indistinguishable, the measured values can exhibit significant deviations from their true values. |
| format | Article |
| id | doaj-art-18b95c38862e4ce9b6e6b203f4f6f9aa |
| institution | DOAJ |
| issn | 0370-2693 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj-art-18b95c38862e4ce9b6e6b203f4f6f9aa2025-08-20T02:50:45ZengElsevierPhysics Letters B0370-26932025-04-0186313937710.1016/j.physletb.2025.139377Distinguishing beyond-standard model effects in neutrino oscillationA. Calatayud-Cadenillas0A. Pérez-G1A.M. Gago2Seccíon Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Apartado 1761, Lima, PeruSeccíon Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Apartado 1761, Lima, PeruCorresponding author.; Seccíon Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Apartado 1761, Lima, PeruWe systematically assess the DUNE experiment's ability to distinguish between various beyond-standard neutrino oscillation hypotheses pair combinations. For a pair comparison, we evaluate the statistical separation, where one hypothesis plays the role of the true signal while the other corresponds to the test signal. The beyond-standard neutrino oscillation hypotheses under scrutiny include neutrino decay (invisible and visible), non-standard inter-actions, quantum decoherence, and the violation of the equivalence principle. We found that the violation of the equivalence principle is the easiest to differentiate compared to the rest of the hypotheses. Additionally, from our χ2 statistical separation test, we investigate potential discrepancies between the measured CP-violation phase δCP, θ23, and Δm312 relative to their respective true values, which could occur for a given comparison. In our analysis, we will take the true values of δCP as 90∘ and 180∘, while θ23 and Δm312 are fixed in its global fit values. In particular, even in cases where the scenarios of beyond-standard neutrino oscillation hypotheses are statistically indistinguishable, the measured values can exhibit significant deviations from their true values.http://www.sciencedirect.com/science/article/pii/S0370269325001376 |
| spellingShingle | A. Calatayud-Cadenillas A. Pérez-G A.M. Gago Distinguishing beyond-standard model effects in neutrino oscillation Physics Letters B |
| title | Distinguishing beyond-standard model effects in neutrino oscillation |
| title_full | Distinguishing beyond-standard model effects in neutrino oscillation |
| title_fullStr | Distinguishing beyond-standard model effects in neutrino oscillation |
| title_full_unstemmed | Distinguishing beyond-standard model effects in neutrino oscillation |
| title_short | Distinguishing beyond-standard model effects in neutrino oscillation |
| title_sort | distinguishing beyond standard model effects in neutrino oscillation |
| url | http://www.sciencedirect.com/science/article/pii/S0370269325001376 |
| work_keys_str_mv | AT acalatayudcadenillas distinguishingbeyondstandardmodeleffectsinneutrinooscillation AT aperezg distinguishingbeyondstandardmodeleffectsinneutrinooscillation AT amgago distinguishingbeyondstandardmodeleffectsinneutrinooscillation |