Neutrino electrodynamics and possible consequences for solar neutrinos

Voloshin, M. B.; Высоцкий, Михаил Иосифович; Okun, L.B.

doi:10.1201/9780429502811-99

Cited by 14 publications

(25 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This effect was widely discussed in the 80's (see, e.g. [6,7]). In particular, the possible impact of the neutrino spin rotation on the solar neutrino problem was considered.…”

Section: Introductionmentioning

confidence: 90%

Neutrino flavor oscillations and spin rotation in matter and electromagnetic field

Chukhnova

Lobanov

2020

Phys. Rev. D

View full text Add to dashboard Cite

We obtain an evolution equation for neutrinos in dense matter and electromagnetic field, which describes both flavor oscillations and neutrino spin rotation. Using this equation we construct a quasi-classical theory of these phenomena. We obtain the probabilities of arbitrary spin-flavor transitions assuming the external conditions to be constant. We demonstrate that the resonance behavior of the transition probabilities is possible only when the flavor neutrino states cannot be described as superpositions of the mass eigenstates. We discover that a resonance, which is similar to the Mikheev-Smirnov resonance, takes place for neutrinos in magnetic field due to the transition magnetic moments. * Electronic address: av.chukhnova@physics.msu.ru † Electronic address: lobanov@phys.msu.ru

show abstract

“…This effect was widely discussed in the 80's (see, e.g. [6,7]). In particular, the possible impact of the neutrino spin rotation on the solar neutrino problem was considered.…”

Section: Introductionmentioning

confidence: 90%

Neutrino flavor oscillations and spin rotation in matter and electromagnetic field

Chukhnova

Lobanov

2020

Phys. Rev. D

View full text Add to dashboard Cite

show abstract

“…We note that these features of the dependence Y e (r) are retained for a time longer than the duration of the neutronization pulse [45]. Thus the condition (12) can also be satisfied for electron neutrinos (and antineutrinos) emitted during the subsequent phases of neutrino emission by the star 3 .…”

Section: Spin Oscillations Of Dirac Neutrino In Polarized Mattermentioning

confidence: 80%

“…In this section, we consider spin oscillations of Dirac neutrinos, caused not only by the interaction with polarized medium, but also by the "direct" interaction of the neutrino magnetic moment with the magnetic field. Spin oscillations caused by the magnetic moment (without taking into account the matter polarization) have been considered in a number of papers, see, for instance 5 , [5,11,12,43,46,62,63] (a more complete list can be found in [1]). The corresponding contribution to the effective Hamiltonian in Eq.…”

Section: Spin Oscillations Of Dirac Neutrino With the Magnetic Momentmentioning

confidence: 99%

“…Only Dirac neutrinos can have diagonal magnetic moments that lead to the spin oscillations phenomenon (i.e. helicity precession) in strong magnetic field [5,11,12]. Transition magnetic moments of massive Dirac and Majorana neutrinos interacting with magnetic field induce spin-flavor oscillations (the helicity precession accompanied by the change of neutrino flavor) [6,13].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Neutrino spin oscillations in polarized matter

2019

View full text Add to dashboard Cite

We study the neutrino spin oscillations, i.e., neutrino spin precession caused by the neutrino interaction with matter polarized by external magnetic field (or, equivalently, by the interaction of the induced magnetic moment (IMM) of a neutrino with the magnetic field). In the analysis, we consider realistic conditions inside supernovae and discuss both the Dirac and Majorana cases. We show that due to the interaction with the polarized matter a neutrino flux from a supernova suffers additional attenuation at low neutrino energies. Another possible effect is that when taken together the effects of conventional magnetic moment and polarized matter can cancel each other so that under certain condition the oscillations disappear. We note that this can lead to the appearance of a characteristic maximum in the spectrum of electron neutrinos from supernovae. Accounting for neutrino mixing (in the two-flavor approximation) can significantly increase (almost twice) the effective value of the IMM of the electron neutrino. As a result, electron neutrinos with twice as high energy will be able to participate in the processes of spin conversion. Various feedback mechanisms accompanying the considered phenomena are also discussed.

show abstract

“…One is a quite popular theory from the time before neutrino oscillation was observed, spin-flavor precession (SFP). In a strong magnetic field neutrinos can be converted into antineutrinos if the neutrino magnetic moment is non-zero [10]. This process goes in two stages.…”

Section: Introductionmentioning

confidence: 99%

Sensitivity to neutrino-antineutrino transitions for boron neutrinos

Ling

Raper

et al. 2019

Nuclear Physics B

View full text Add to dashboard Cite

Neutrino-antineutrino conversion is an important new physics process. The observation of this phenomenon could indicate total lepton number violation and potential CPT-violation. Searching for the appearance of electron antineutrinos from solar neutrinos from 8 B decay allows us to hunt for this rare process, although it can also be explained by other mechanisms or hypotheses. This analysis examines the capabilities of observing neutrino-antineutrino transition from 8 B unoscillated solar neutrinos using different liquid scintillator detector configurations. High energy reactor neutrinos and atmospheric neutrinos are the two dominant background sources. Large volume liquid scintillator detectors with deep underground shielding, placed far away from reactors and with capabilities of pulse shaped discrimination will significantly increase the search sensitivity. It is demonstrated that for the next generation of large liquid scintillator detectors being planned or under construction, the sensitivity to the average probability of neutrino-antineutrino transitions can reach 10 −6 , which is an order of magnitude better than the current best experimental limits.

show abstract

Neutrino electrodynamics and possible consequences for solar neutrinos

Cited by 14 publications

References 0 publications

Neutrino flavor oscillations and spin rotation in matter and electromagnetic field

Neutrino flavor oscillations and spin rotation in matter and electromagnetic field

Neutrino spin oscillations in polarized matter

Sensitivity to neutrino-antineutrino transitions for boron neutrinos

Contact Info

Product

Resources

About