Measurement of the 
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 decay half-life and search for the 
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 decay of 
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Arnold, R.; Augier, C.; Baker, J. D.; Barabash, A. S.; Basharina-Freshville, A.; Blondel, Sophie; Blot, Summer; Bongrand, M.; Boursette, D.; Brudanin, V.; Busto, J.; Caffrey, A.J.; Calvez, S.; Cascella, M.; Cerna, C.; Cesar, J. P.; Chapon, A.; Chauveau, E.; Chopra, A.; Duchesneau, D.; Durand, Dominique; Egorov, V.; Eurin, G.; Evans, Justin J.; Fajt, L.; Filosofov, D.; Flack, R.; Garrido, X.; Gómez, H.; Guillon, B.; Guzowski, P.; Hodák, R.; Huber, A.; Hubert, Ph.; Hugon, C.; Jullian, S.; Klimenko, A.; Kochetov, O.; Коновалов, С. И.; Kovalenko, V.; Lalanne, D.; Lang, K.; Lemière, Y.; Noblet, T. Le; Liptak, Z.; Liu, X. R.; Loaiza, P.; Lutter, G.; Macko, M.; Macolino, C.; Mamedov, F.; Marquet, Ch.; Mauger, F.; Morgan, B.; Mott, J.; Nemchenok, I.; Nomachi, M.; Nova, F.; Nowacki, F.; Ohsumi, H.; Pahlka, R. B.; Perrot, F.; Piquemal, F.; Povinec, P.; Přidal, P.; Ramachers, Y. A.; Remoto, A.; Reyss, J. L.; Richards, B.; Riddle, Catherine L.; Rukhadze, E.; Saakyan, R.; Salazar, R.; Sarazin, X.; Shitov, Yu.; Simard, L.; Šimkovic, F.; Smetana, Adam; Smolek, K.; Smolnikov, A.; Söldner-Rembold, S.; Soulé, B.; Štekl, I.; Suhonen, J.; Sutton, C.S.; Szklarz, G.; Thomas, J. C.; Timkin, V.; Torre, S.; Tretyak, V.I.; Umatov, V. I.; Vanushin, I.; Vilela, C.; Vorobel, V.; Waters, D.; Žukauskas, A.

doi:10.1103/physrevd.95.012007

Cited by 50 publications

(31 citation statements)

References 64 publications

(75 reference statements)

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“…In our case, we assume the existence of three of such fermions, generating Dirac scotogenic masses for the two left-handed neutrinos (ν 3 = ν L3 + ν R3 is massless due to the charge assignment). In order to estimate the possible values for the parameters involved in the neutrino masses we consider the case where λ 2 , λ 4 , λ 7 1 and m 2 χ ≡ m 2 η ± = µ 2 σ 1 2 λ 8 vv S , which leads to a ≈ b c. Taking into account that for the mentioned case m 2…”

Section: Neutrino Masses and Charged Lepton Flavor Violationmentioning

confidence: 99%

“…The interpretation of neutrino experimental data in terms of neutrino oscillations is compatible with both Majorana and Dirac neutrino masses [1]. The former possibility has received the most attention but, given the lack of signals in neutrinoless double beta decay experiments [2][3][4][5][6][7], the latter cannot be dismissed. If neutrinos are Dirac particles, the Standard Model (SM) particle content must be extended with right-handed neutrinos, which can increase the effective number of light neutrinos, N eff , until 6.…”

Section: Introductionmentioning

confidence: 98%

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Dirac neutrino mass generation from a Majorana messenger

2020

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The radiative type-I seesaw has been already implemented to explain the lightness of Majorana neutrinos with both Majorana and Dirac heavy fermions, and the lightness of Dirac neutrinos with Dirac heavy fermions. In this work we present a minimal implementation of the radiative type-I seesaw with light Dirac neutrinos and heavy Majorana fermions. An inert doublet and a complex singlet scalar complete the dark sector which is protected by an Abelian fermiophobic gauge symmetry that also forbids tree level mass contributions for the full set of light neutrinos. A fermion vector-like extension of the model is also proposed where the light right-handed neutrinos can thermalize in the primordial plasma and the extra gauge boson can be directly produced at colliders. In particular, the current upper bound on ∆N eff reported by PLANCK points to large ratios M Z /g 40 TeV which can be competitive with collider constraint for g sufficiently large in the ballpark of the Standard Model values, while future cosmic microwave background experiments may probe all the no minimal models presented here.

show abstract

Section: Neutrino Masses and Charged Lepton Flavor Violationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Dirac neutrino mass generation from a Majorana messenger

2020

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“…where the bound BR(µ → eγ) < 5.7 × 10 −13 [98] has been used. Regarding WIMP DM, this model features either singlet fermion or singlet/doublet scalar candidates 8 . Such a WIMP-like setup is similar to the model studied in Ref.…”

Section: A Case Studymentioning

confidence: 99%

One-loop Dirac neutrino mass and mixed axion-WIMP dark matter

Carvajal

Zapata

2019

Phys. Rev. D

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We consider the Peccei-Quinn (PQ) mechanism as the one behind the Dirac neutrino masses when these are generated through the d = 5 effective operatorLHNRφ at one loop level, with φ being a Standard Model singlet scalar. In this setup, the PQ symmetry guarantees that the one-loop realization of such an effective operator gives the leading contribution to the Dirac neutrino masses by forbidding the contributions arising from its tree level realizations. All the mediators in the oneloop neutrino mass diagrams can be stabilized by a remnant ZN symmetry from the PQ symmetry breaking, thus forming a dark sector besides the axion sector and leading to mixed axion/WIMP dark matter scenarios.

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“…Moreover we need information on the elusive Majorana phases that would show up in the description of lepton number violating processes such as neutrinoless double-beta decay [5,6], whose discovery would establish the self-conjugate nature of neutrinos. Improving the current experimental sensitivities [7][8][9][10][11][12] is, again, necessary for the next step.…”

Section: Introductionmentioning

confidence: 99%

CP symmetries as guiding posts: revamping tri-bi-maximal mixing. Part I

Chen

Chuliá

Ding

et al. 2019

J. High Energ. Phys.

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In this follow up of arXiv:1812.04663 we analyze the generalized CP symmetries of the charged lepton mass matrix compatible with the complex version of the Tri-Bi-Maximal (TBM) lepton mixing pattern. These symmetries are used to "revamp" the simplest TBM Ansatz in a systematic way. Our generalized patterns share some of the attractive features of the original TBM matrix and are consistent with current oscillation experiments. We also discuss their phenomenological implications both for upcoming neutrino oscillation and neutrinoless double beta decay experiments. *

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Measurement of the 2νββ decay half-life and search for the 0νββ decay of Cd

Cited by 50 publications

References 64 publications

Dirac neutrino mass generation from a Majorana messenger

Dirac neutrino mass generation from a Majorana messenger

One-loop Dirac neutrino mass and mixed axion-WIMP dark matter

CP symmetries as guiding posts: revamping tri-bi-maximal mixing. Part I

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