Neutrino electromagnetic interactions: A window to new physics

Giunti, C.; Studenikin, Alexander

doi:10.1103/revmodphys.87.531

Cited by 413 publications

(556 citation statements)

References 549 publications

(787 reference statements)

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“…[4][5][6]. In this section we briefly outline the general form of the electromagnetic interactions of Dirac and Majorana neutrinos.…”

Section: Electromagnetic Interactions Of Massive Neutrinosmentioning

confidence: 99%

“…The development of our knowledge about neutrino masses and mixing [1][2][3] provides a basis for exploring neutrino properties and interactions beyond the standard model (BSM). In this respect, the study of nonvanishing electromagnetic characteristics of massive neutrinos is of particular interest [4][5][6]. It can help not only to shed light on whether neutrinos are Dirac or Majorana particles, but also to constrain the existing BSM theories and/or to hint at new physics.…”

Section: Introductionmentioning

confidence: 99%

“…So far, neither astrophysical observations nor laboratory measurements have evidenced nonvanishing electromagnetic properties of neutrinos, and only some constraints on their values have been obtained (the updated list of constraints is given in the review paper [5]). For example, the most stringent constraint on the neutrino millicharge obtained in the scattering experiments is |e νe | 1.5 × 10 −12 e,…”

Section: Introductionmentioning

confidence: 99%

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Electromagnetic properties of massive neutrinos in low-energy elastic neutrino-electron scattering

Kouzakov

Studenikin

2017

Phys. Rev. D

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A thorough account of electromagnetic interactions of massive neutrinos in the theoretical formulation of low-energy elastic neutrino-electron scattering is given. The formalism of neutrino charge, magnetic, electric, and anapole form factors defined as matrices in the mass basis is employed under the assumption of three-neutrino mixing. The flavor change of neutrinos traveling from the source to the detector is taken into account and the role of the source-detector distance is inspected. The effects of neutrino flavor-transition millicharges and charge radii in the scattering experiments are pointed out.

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“…[4][5][6]. In this section we briefly outline the general form of the electromagnetic interactions of Dirac and Majorana neutrinos.…”

Section: Electromagnetic Interactions Of Massive Neutrinosmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Electromagnetic properties of massive neutrinos in low-energy elastic neutrino-electron scattering

Kouzakov

Studenikin

2017

Phys. Rev. D

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“…[23,24], and a complete review on the neutrino electromagnetic properties can be found in Ref. [25]. Although our limit is more stringent then the ones established from modifications of the neutrino cross section and is comparable to the astrophysical one, it is a combined limit of the neutrino magnetic moment with both the solar magnetic field profile and the characteristics of its random fluctuations.…”

Section: Resultsmentioning

confidence: 83%

New limits on neutrino magnetic moment through nonvanishing 13-mixing

Guzzo¹,

Holanda²,

Peres³

2018

Phys. Rev. D

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The relatively large value of the neutrino mixing angle θ 13 set by recent measurements allows us to use solar neutrinos to set a limit on the neutrino magnetic moment involving the second and third flavor families, μ 23 . The existence of a random magnetic field in the solar convective zone can produce a significant antineutrino flux when a nonvanishing neutrino magnetic moment is assumed. Even if we consider a vanishing neutrino magnetic moment involving the first family, electron antineutrinos are indirectly produced through the mixing between the first and third families and μ 23 ≠ 0. Using KamLAND limits on the solar flux of electron antineutrino, we set the limit μ 23 < 0.95 × 10 −11 μ B as a reasonable assumption on the behavior of solar magnetic fields. This is the first time that a limit on μ 23 has been established in the literature directly from neutrino interactions with magnetic fields, and, interestingly enough, is comparable with the limits on the neutrino magnetic moment involving the first family and with the ones coming from modifications to the electroweak cross section.

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“…The most general parametrization for the electromagnetic current between on-shell τ-lepton and the photon is given by [7,47,48,59]…”

Section: Two-photon Processesmentioning

confidence: 99%

Model-independent sensitivity estimates for the electromagnetic dipole moments of the τ -lepton at the CLIC

et al. 2018

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We establish model-independent sensitivity on the anomalous magnetic and electric dipole moments of the τ-lepton using the two-photon processes γγ → τ þ τ − and γγ → τ þ τ − γ. We use L ¼ 10, 50, 100, 300, 500, 1000, 1500, 2000, 3000 fb −1 data collected with the future e þ e − linear collider such as the CLIC at ffiffi ffi s p ¼ 380, 1500, 3000 GeV, and we consider systematic uncertainties of δ sys ¼ 0%, 3%, 5%. We obtain sensitivity estimates at 95% C.L. on the anomalous dipole moments to the τ-lepton −0.00015 ≤ã τ ≤ 0.00017 and jd τ ðecmÞj ¼ 9.040 × 10 −19 that may be achievable in future experiments. Our results show that the processes under consideration are very promising for probing the dipole moments of the τ-lepton at the future e þ e − linear collider at the γγ mode.

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Neutrino electromagnetic interactions: A window to new physics

Cited by 413 publications

References 549 publications

Electromagnetic properties of massive neutrinos in low-energy elastic neutrino-electron scattering

Electromagnetic properties of massive neutrinos in low-energy elastic neutrino-electron scattering

New limits on neutrino magnetic moment through nonvanishing 13-mixing

Model-independent sensitivity estimates for the electromagnetic dipole moments of the τ -lepton at the CLIC

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