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Related papers: Probing the scotogenic model with lepton flavor vi…

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The tiny neutrino masses measured in the neutrino oscillation experiments can be naturally explained by the supersymmetric see-saw mechanism. If the supersymmetry breaking is mediated by gravity, the see-saw models may predict observable…

High Energy Physics - Phenomenology · Physics 2009-11-07 Xiao-Jun Bi , Yuan-Ben Dai

We compute the electromagnetic form factors of the $l_i l_j \gamma$ vertex at one-loop level in the minimal G2HDM which has a sub-GeV vector dark matter candidate. The results are applied to the radiative decay rates for the charged lepton…

High Energy Physics - Phenomenology · Physics 2023-03-22 Van Que Tran , Tzu-Chiang Yuan

The scotogenic model generates Majorana neutrino masses radiatively, with dark matter particles running in the loop. We explore the parameter space in which the relic density of fermionic dark matter is generated via a conversion-driven…

High Energy Physics - Phenomenology · Physics 2023-02-02 Julian Heeck , Jan Heisig , Anil Thapa

In the Dynamical Scotogenic Model, the global $B-L$ symmetry is supposed to be broken spontaneously resulting in a massless Goldstone boson called majoron, and massive right handed neutrinos which participate in the generation of light…

High Energy Physics - Phenomenology · Physics 2023-08-29 Eung Jin Chun , Abhishek Roy , Sanjoy Mandal , Manimala Mitra

Minimal Flavor Violation offers an alternative symmetry rationale to R-parity conservation for the suppression of proton decay in supersymmetric extensions of the Standard Model. The naturalness of such theories is generically under less…

High Energy Physics - Phenomenology · Physics 2015-06-17 Brian Batell , Tongyan Lin , Lian-Tao Wang

We investigate the interplay between lepton flavor violation (LFV) and leptogenesis in the minimal scotogenic model, comparing high-scale hierarchical leptogenesis and low-scale resonant leptogenesis within a unified Casas--Ibarra…

High Energy Physics - Phenomenology · Physics 2026-04-23 Avinanda Chaudhuri

In this paper, we propose a scotogenic model of neutrino masses with flavor-dependent $U(1)_{B-3L_\alpha}(\alpha=e, \mu, \tau)$ gauge symmetry, in which neutrinos are generated at one-loop level and a fermion dark matter is naturally…

High Energy Physics - Phenomenology · Physics 2020-07-08 Weijian Wang , Zhi-Long Han

In this work, we investigate the effects of first-order phase transitions on the singlet fermionic dark matter in the scotogenic model. It is known that this dark matter candidate tends to conflict with the relevant constraints such as the…

High Energy Physics - Phenomenology · Physics 2022-11-17 Hiroto Shibuya , Takashi Toma

In this work we consider a minimal version of the scotogenic model capable of accounting for an electron electric dipole moment within experimental sensitivity reach in addition to providing a dark matter candidate and radiatively…

High Energy Physics - Phenomenology · Physics 2021-02-25 Asmaa Abada , Takashi Toma

Scotogenic models are among the most popular possibilities to link dark matter and neutrino masses. In this work we discuss a variant of the Scotogenic model that includes charged fermions and a doublet with hypercharge $3/2$. Neutrino…

High Energy Physics - Phenomenology · Physics 2022-08-10 Valentina De Romeri , Miguel Puerta , Avelino Vicente

Most extensions of the Standard Model lepton sector predict large lepton flavor violating rates. Given the promising experimental perspectives for lepton flavor violation in the next few years, this generic expectation might offer a…

High Energy Physics - Phenomenology · Physics 2015-04-17 Avelino Vicente

What flavour structure of $t$-channel thermal dark matter remains compatible with current flavour physics and direct detection bounds? We broadly chart the space of hypotheses using the framework of flavour symmetries and their breaking…

High Energy Physics - Phenomenology · Physics 2026-01-14 Simone Biondini , Admir Greljo , Xavier Ponce Díaz , Alessandro Valenti

Accidental matter models are scenarios where the beyond-the-standard model physics preserves all the standard model accidental and approximate symmetries up to a cutoff scale related with lepton number violation. We study such scenarios…

High Energy Physics - Phenomenology · Physics 2016-06-15 D. Aristizabal Sierra , C. Simoes , D. Wegman

We study future lepton collider prospects for testing predictive models of leptophilic dark matter candidates with a thermal origin. We calculate experimental milestones for testing the parameter space compatible with freeze-out and the…

High Energy Physics - Phenomenology · Physics 2024-04-04 Cari Cesarotti , Gordan Krnjaic

We propose a flavour theory of leptons implementing an $A_4$ family symmetry. Our scheme provides a simple way to derive trimaximal neutrino mixing from first principles, leading to simple and testable predictions for neutrino mixing and CP…

High Energy Physics - Phenomenology · Physics 2021-02-17 Gui-Jun Ding , Jun-Nan Lu , Jose W. F. Valle

We show how cosmic gamma rays can be used to constrain models of asymmetric Dark Matter decaying into lepton pairs by violating flavor. First of all we require the models to explain the anomalies in the charged cosmic rays measured by…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Isabella Masina , Paolo Panci , Francesco Sannino

We study phenomenological implications of a radiative inverse seesaw dark matter model. In this model, because neutrino masses are generated at two loop level with inverse seesaw, the new physics mass scale can be as low as a few hundred…

High Energy Physics - Phenomenology · Physics 2015-06-12 Guan-nan Li , Gang Guo , Bo Ren , Ya-Juan Zheng , Xiao-Gang He

We consider the singlet Majoron model with softly broken lepton number. This model contains three right-handed neutrinos and a singlet scalar besides the standard model fields. The real part of the singlet scalar develops a vacuum…

High Energy Physics - Phenomenology · Physics 2014-11-20 Pei-Hong Gu , Ernest Ma , Utpal Sarkar

Dedicated experiments searching for lepton flavour violation can be performed very sensitively using K-decays and $\mu$-decays as well as neutrinoless double $\beta$-decay and muonium to antimuonium conversion. Although there is no…

High Energy Physics - Experiment · Physics 2016-08-31 Klaus P. Jungmann

Neutrino masses and mixings have important implications for models of fermion masses, and, most directly, for the charged lepton sector. We consider supersymmetric Abelian flavor models, where neutrino mass parameters are related to those…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jonathan L. Feng , Yosef Nir , Yael Shadmi