Resonance enhancement of oscillations in matter and solar neutrino spectroscopy

Mikheev, S. P.; Smirnov, A. Yu.

doi:10.1201/9780429502811-91

Cited by 366 publications

(495 citation statements)

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“…This was first observed in the context of solar neutrinos, where for suitable NSI the data can be explained by a mixing angle θ 12 in the second octant, the so-called LMA-Dark (LMA-D) [22] solution. This is in sharp contrast to the established standard MSW solution [17,18], which requires a mixing angle θ 12 in the first octant.…”

Section: Introductioncontrasting

confidence: 57%

“…In this case, the best model-independent constraints available in the literature for the vector operators inducing NC NSI come from global fits to oscillation data, which are very sensitive to modifications in the effective matter potential [17,18] felt by neutrinos as they propagate in a medium. Since such modifications arise from a coherent effect, oscillation bounds apply even to NSI induced by an ultra light mediators, as long as their mass is M med 1/R Earth ∼ O(10 −12 ) eV [19].…”

Section: Introductionmentioning

confidence: 99%

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Improved global fit to Non-Standard neutrino Interactions using COHERENT energy and timing data

Coloma

Esteban

Gonzalez-Garcia

et al. 2020

J. High Energ. Phys.

111

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We perform a global fit to neutrino oscillation and coherent neutrino-nucleus scattering data, using both timing and energy information from the COHERENT experiment. The results are used to set model-independent bounds on four-fermion effective operators inducing non-standard neutral-current neutrino interactions. We quantify the allowed ranges for their Wilson coefficients, as well as the status of the LMA-D solution, for a wide class of new physics models with arbitrary ratios between the strength of the operators involving up and down quarks. Our results are presented for the COHERENT experiment alone, as well as in combination with the global data from oscillation experiments. We also quantify the dependence of our results for COHERENT with respect to the choice of quenching factor, nuclear form factor, and the treatment of the backgrounds.

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Section: Introductioncontrasting

confidence: 57%

Section: Introductionmentioning

confidence: 99%

Improved global fit to Non-Standard neutrino Interactions using COHERENT energy and timing data

Coloma

Esteban

Gonzalez-Garcia

et al. 2020

J. High Energ. Phys.

111

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“…9 The minimal scenario for keV-scale sterile-neutrino dark matter that is compatible with present limits is therefore resonant productionà la Shi and Fuller [60]. In this scenario, the mixing between active and sterile states can be enhanced because of lepton number asymmetries, which results in the well-known Mikheev-Smirnov-Wolfenstein (MSW) effect [144][145][146]. The viable parameter space of the Shi-Fuller mechanism is currently probed by on-going astrophysical observations (see, e.g., Ref.…”

Section: Flavor Models and Dark Mattermentioning

confidence: 90%

Type I seesaw mechanism as the common origin of neutrino mass, baryon asymmetry, and the electroweak scale

et al. 2019

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The type-I seesaw represents one of the most popular extensions of the Standard Model. Previous studies of this model have mostly focused on its ability to explain neutrino oscillations as well as on the generation of the baryon asymmetry via leptogenesis. Recently, it has been pointed out that the type-I seesaw can also account for the origin of the electroweak scale due to heavy-neutrino threshold corrections to the Higgs potential. In this paper, we show for the first time that all of these features of the type-I seesaw are compatible with each other. Integrating out a set of heavy Majorana neutrinos results in small masses for the Standard Model neutrinos; baryogenesis is accomplished by resonant leptogenesis; and the Higgs mass is entirely induced by heavy-neutrino one-loop diagrams, provided that the tree-level Higgs potential satisfies scale-invariant boundary conditions in the ultraviolet. The viable parameter space is characterized by a heavy-neutrino mass scale roughly in the range 10 6.5···7.0 GeV and a mass splitting among the nearly degenerate heavy-neutrino states up to a few TeV. Our findings have interesting implications for high-energy flavor models and low-energy neutrino observables. We conclude that the type-I seesaw sector might be the root cause behind the masses and cosmological abundances of all known particles. This statement might even extend to dark matter in the presence of a keV-scale sterile neutrino.

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“…An additional important effects that can be considered are the Mikheyev-Smirnov-Wolfenstein effect [60,81], and the Shi-Fuller resonant production effect [70].…”

Section: Sterile Neutrinos and The 35 Kev Line Puzzlementioning

confidence: 99%

An Introduction to Particle Dark Matter

Profumo

2015

Advanced Textbooks in Physics

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We review the features of Dark Matter as a particle, presenting some old and new instructive models, and looking for their physical implications in the early universe and in the process of structure formation. We also present a schematic of Dark Matter searches and introduce the most promising candidates to the role of Dark Matter particle. a This article is based on a mini-course of 5 lectures delivered by Professor S.

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Resonance enhancement of oscillations in matter and solar neutrino spectroscopy

Cited by 366 publications

References 1 publication

Improved global fit to Non-Standard neutrino Interactions using COHERENT energy and timing data

Improved global fit to Non-Standard neutrino Interactions using COHERENT energy and timing data

Type I seesaw mechanism as the common origin of neutrino mass, baryon asymmetry, and the electroweak scale

An Introduction to Particle Dark Matter

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