Flavor symmetric origin of texture zeros in minimal inverse seesaw and impacts on leptogenesis

Gautam, Nayana; Das, Mrinal Kumar

doi:10.1016/j.physletb.2022.137302

Cited by 2 publications

(1 citation statement)

References 48 publications

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“…In our work, we take into account the out-of-equilibrium decay of the heavy right-handed neutrinos, the eminent method to find the lepton asymmetry [50][51][52][53][54][55][56]. The lepton asymmetry due to the decay of right-handed neutrinos into Higgs and leptons is given by…”

Section: Lepton Asymmetrymentioning

confidence: 99%

Leptogenesis and neutrinoless double beta decay in the scotogenic hybrid textures of neutrino mass matrix

Ankush,

Verma,

Kumar

et al. 2023

J. Cosmol. Astropart. Phys.

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In our recent work, we identified the hybrid textures that simultaneously account for dark matter (DM) and neutrinoless double beta decay (0νββ). We also obtained bounds on dark matter mass and effective Majorana mass. However, on the same lines, in this work, we explored common parameter spaces amongst the baryon asymmetry of the universe Y, dark matter mass M 1, and effective Majorana mass |Mee |. We use experimental bounds on the relic density of dark matter (Ωh 2) and baryon asymmetry of the universe to identify the suitable hybrid textures. We found that out of the five hybrid textures only three simultaneously satisfy the physics observations of the DM, 0νββ, and leptogenesis. It is interesting to note that these three hybrid textures give a lower bound to the effective Majorana mass |Mee |, which can be probed in current and future experiments like SuperNEMO, KamLAND-Zen, NEXT, and nEXO (5 years) that have sensitivity reaches of 0.05 eV, 0.045 eV, 0.03 eV, and 0.015 eV, respectively.

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Section: Lepton Asymmetrymentioning

confidence: 99%

Leptogenesis and neutrinoless double beta decay in the scotogenic hybrid textures of neutrino mass matrix

Ankush,

Verma,

Kumar

et al. 2023

J. Cosmol. Astropart. Phys.

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Discrete symmetries and efficient counting of operators

Calò

Marinissen

Rahn

2023

J. High Energ. Phys.

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We present DECO (“Discrete and Efficient Counting of Operators”), an implementation of the Hilbert series to enumerate subleading operator bases for SMEFT-like EFTs with symmetry groups as typically found in flavour and BSM physics. DECO can accommodate EFTs with arbitrary numbers and combinations of the SM gauge groups, as well as the discrete groups S4, A4, and ℤn, and U(1) groups with residual global charge (and these groups’ most important representations). The program is highly modular and can easily be extended to additional groups and/or representations. We demonstrate the design cases for DECO by using it to cross-check subleading operator bases of EFTs in the literature, which allows us to identify a missing operator in a widely used model for the neutrino masses and discuss said operator’s impact.

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Flavor symmetric origin of texture zeros in minimal inverse seesaw and impacts on leptogenesis

Cited by 2 publications

References 48 publications

Leptogenesis and neutrinoless double beta decay in the scotogenic hybrid textures of neutrino mass matrix

Leptogenesis and neutrinoless double beta decay in the scotogenic hybrid textures of neutrino mass matrix

Discrete symmetries and efficient counting of operators

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