Neutrino oscillation phenomenology in the standard model and beyond

Ternes, C. A.

doi:10.2172/1767027

Cited by 2 publications

(5 citation statements)

References 284 publications

(464 reference statements)

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“…where L is the distance which the neutral fermion has propagated, E is the mean energy for neutral fermion, ℜ (ℑ) indicates the real (imaginary) part, and ∆m 2 ij ≡ m 2 i − m 2 j . This result is exactly the same as the previous ones [19][20][21][22]. Neutrinos in SM are the most interesting neutral fermions that have been found in experiments.…”

Section: Zeno Mechanism For Particle Physicssupporting

confidence: 91%

“…Condition A: For very small η's in Eq. (19), it is straightforward to check that Eq. ( 20) can not be satisfied if the two representations are the same one.…”

Section: Zeno Mechanism For Particle Physicsmentioning

confidence: 99%

“…(20) must be valid, i.e., the K-dependent term in Eq. (19) or Eq. ( 16) that break the energy-momentum conservation must be cancelled or suppressed.…”

Section: Appendix A: Probability Formula For the Light Neutral Fermio...mentioning

confidence: 99%

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Possible implications for particle physics by quantum measurement

Lv,

Jing

2021

Preprint

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Section: Zeno Mechanism For Particle Physicssupporting

confidence: 91%

“…Condition A: For very small η's in Eq. (19), it is straightforward to check that Eq. ( 20) can not be satisfied if the two representations are the same one.…”

Section: Zeno Mechanism For Particle Physicsmentioning

confidence: 99%

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Possible implications for particle physics by quantum measurement

Lv,

Jing

2021

Preprint

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“…This gives us a hint that probably NH is much more preferential than IH. The recent data analyses of atmospheric, LBL, and reactor [54], also suggests that 3σ is in favour of NH. However the new experimental data from T2K, NOvA and Super-K atmospheric are most likely to reduce the preference for NH and might shift the preference for the δ CP phase, and Octant of θ 23 , which currently seems to be shifted in the second octant after combining the data of LBL, LBL+ATM, LBL+REAC, Global with atmospheric [55].…”

Section: Discussionmentioning

confidence: 92%

“…Another interesting feature observed from Equation ( 53), (54), and ( 55) is the dependence of light neutrino mass, m ν on f lavon Λ…”

Section: A Dynamics Of Flavour Symmetry Breakingmentioning

confidence: 92%

A comparative study of type-II, inverse and linear seesaw mechanisms with $ A_{4} $ flavour symmetry

Devi¹,

Bora²

2021

Preprint

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In this work, we present a comparative study of the three of the seesaw models, viz., type II, inverse and linear seesaw models, to investigate about light neutrino masses and mixings, flavour structure, neutrinoless double beta decay (0νββ) and charged lepton flavour violation (cLFV) decay (µ → eγ). We consider the A 4 flavour symmetry, while some other symmetries, like U (1) X , Z 4 and Z 5 are also included to forbid unwanted terms in the Lagrangian. Taking into account the present experimental data for the known light neutrino parameters from recent global fit data, we compute the currently unknown neutrino parameters such as the lightest neutrino mass (m 1 ), CPV phase (Dirac and Majorana), and effective light neutrino mass in the neutrinoless double beta decay, by considering different VEV alignments of the triplet scalar flavon fields. We also elucidate on the octant of atmospheric neutrino mixing angle, θ 23 , in the light of our predicted results.Finally, we present the region of parameter spaces of m 1 , CPV phases, octant of θ 23 and effective mass measurable in of neutrino less double beta decay experiments, that can be tested in future experiments. We observe that the branching ratio of (µ → eγ) can help discriminate the three seesaw models. Further, the favoured Octant of the atmospheric mixing angle θ 23 changes with the VEV alignment of the triplet flavon field -i.e., the internal flavour structure of the neutrinos is reflected in their composition (mixing). We also find some interesting results in context of mass hierarchy-Octant degeneracy with reference to VEV of the triplet flavon field. The constant F determining the scale of flavour symmetry breaking, seesaw scale and coupling constants of the three seesaw models has also been computed, which puts a constraint among them allowed by the present experimental results. Interesting implications on dependence of scale of flavour symmetry breaking in the three seesaw models is also presented in discussion.

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Neutrino oscillation phenomenology in the standard model and beyond

Cited by 2 publications

References 284 publications

Possible implications for particle physics by quantum measurement

Possible implications for particle physics by quantum measurement

A comparative study of type-II, inverse and linear seesaw mechanisms with $ A_{4} $ flavour symmetry

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