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Related papers: Flavor effects in thermal leptogenesis

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Working within the context of the minimal supersymmetric standard model, we compare current bounds from quark flavor changing processes with current and upcoming bounds on lepton flavor violation. We assume supersymmetry breaking…

High Energy Physics - Phenomenology · Physics 2018-03-07 Sebastian A. R. Ellis , Aaron Pierce

We discuss N_2-dominated leptogenesis in the presence of flavour dependent effects that have hitherto been neglected, in particular the off-diagonal entries of the flavour coupling matrix that connects the total flavour asymmetries,…

High Energy Physics - Phenomenology · Physics 2015-05-18 Stefan Antusch , Pasquale Di Bari , David A. Jones , Steve F. King

We introduce the commutators of lepton mass matrices to describe the phenomenon of lepton flavor mixing, and establish their relations to the effective Hamiltonians responsible for the propagation of Dirac and Majorana neutrinos. The…

High Energy Physics - Phenomenology · Physics 2009-10-31 Zhi-zhong Xing

We present the first numerical relativity simulations including neutrino flavor transformations that could result from flavor instabilities, quantum many-body effects, or potential beyond standard model physics in neutron star mergers. We…

High Energy Astrophysical Phenomena · Physics 2025-09-08 Yi Qiu , David Radice , Sherwood Richers , Maitraya Bhattacharyya

We study variations of the standard leptogenesis scenario that can arise if an additional mass scale related to the breaking of some new symmetry (as for example a flavor or the B-L symmetry) is present below the mass $M_{N_1}$ of the…

High Energy Physics - Phenomenology · Physics 2009-09-29 Diego Aristizabal Sierra , Marta Losada , Enrico Nardi

We study the impact of flavours on the efficiency factors and give analytical and numerical results of the baryon asymmetry taking into account the different charged lepton Yukawa contributions and the complete (diagonal and off-diagonal)…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. X. Josse-Michaux , A. Abada

An attractive explanation for non-zero neutrino masses and small matter antimatter asymmetry of the present Universe lies in "leptogenesis". At present the {\it size} of the lepton asymmetry is precisely known, while the {\it sign} is not…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaushik Bhattacharya , Narendra Sahu , Utpal Sarkar , Santosh K. Singh

Massive neutrinos and leptonic mixings have provided the first evidence of flavour violation in the lepton sector, opening a unique gateway to many new phenomena. Among the latter, one finds processes violating lepton number, charged lepton…

High Energy Physics - Phenomenology · Physics 2017-12-19 Ana M. Teixeira

Phenomenological implications of neutrino oscillations implied by recent experimental data on pattern of neutrino mass matrix are disscussed. It is shown that it is possible to have a neutrino mass matrix which shows approximate flavor…

High Energy Physics - Phenomenology · Physics 2009-11-10 Riazuddin

Within the framework of three lepton families I present a transparent analytical relationship between the neutrino mixing and CP-violating parameters in vacuum and thos in matter. Such a model- and parametrization-independent result will be…

High Energy Physics - Phenomenology · Physics 2009-10-31 Zhi-zhong Xing

I discuss different theories of leptonic flavor and their capability of describing the features of the lepton sector, namely charged lepton masses, neutrino masses, lepton mixing angles and leptonic (low and high energy) CP phases. In…

High Energy Physics - Phenomenology · Physics 2017-05-03 Claudia Hagedorn

Flavor physics has been crucial in the development of particle physics and it will keep being so in the future. Nowadays, this kind of processes, in particular lepton flavor changing observed in neutrino oscillations, give us the clearest…

High Energy Physics - Phenomenology · Physics 2017-10-24 X. Marcano

Recent experimental data provides evidence for neutrino masses and leads to the possibility of leptonic mixing and CP violation. In this work special attention is dedicated to CP violation in the leptonic sector both at low and at high…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. N. Rebelo

We analyze the importance of flavor effects in models in which leptogenesis proceeds via the decay of Majorana electroweak triplets. We find that depending on the relative strengths of gauge and Yukawa reactions the $B-L$ asymmetry can be…

High Energy Physics - Phenomenology · Physics 2010-10-27 D. Aristizabal Sierra , Jernej F. Kamenik , Miha Nemevsek

This essay is intended to provide a brief description of the peculiar properties of neutrinos within and beyond the standard theory of weak interactions. The focus is on the flavor oscillations of massive neutrinos, from which one has…

High Energy Physics - Phenomenology · Physics 2016-10-12 Yifang Wang , Zhi-zhong Xing

In the coming years, experiments underway will increase the sensitivity to charged lepton flavor violation by four orders of magnitude. These experiments will stringently probe weak scale physics. I review the status of global symmetries in…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jonathan L. Feng

I follow a lesson learnt from Heisenberg's matrix Quantum Mechanics to study the property of lepton flavor mixing and CP violation. I show that the commutator of lepton mass matrices defined in vacuum keeps invariant under terrestrial…

High Energy Physics - Phenomenology · Physics 2015-06-25 Zhi-zhong Xing

Behind the observed pattern of lepton flavor mixing is a partial or approximate mu-tau flavor symmetry --- a milestone on our road to the true origin of neutrino masses and flavor structures. In this review article we first describe the…

High Energy Physics - Phenomenology · Physics 2016-07-22 Zhi-zhong Xing , Zhen-hua Zhao

In recent years, several observables associated to semileptonic $b \to s$ processes have been found to depart from their predicted values in the Standard Model, including a few tantalizing hints of lepton flavor universality violation. In…

High Energy Physics - Phenomenology · Physics 2019-02-20 Paulina Rocha-Moran , Avelino Vicente

We analyze electroweak baryogenesis in supersymmetric theories with flavor-dependent CP-violating phases. We generalize the standard approach to include the flavor dependence of the CP-violating sources and obtain an analytical approximate…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Delepine , R. Gonzalez Felipe , S. Khalil , A. M. Teixeira
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