The future of high-energy astrophysical neutrino flavor measurements

Song, Ningqiang; Li, Shirley Weishi; Argüelles, C.; Bustamante, Mauricio; Vincent, Aaron C.

doi:10.1088/1475-7516/2021/04/054

Cited by 76 publications

(83 citation statements)

References 202 publications

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“…These values are consistent with current global fits of neutrino data [78][79][80]. We keep the values of these parameters fixed, since at the time scales of 20 years when our results on Earth tomography will be significant, these parameters are expected to be measured with a high precision [81]. For the neutrino mass ordering, which is also expected to be determined over this time scale, we consider normal ordering (NO) for our analysis.…”

supporting

confidence: 65%

Neutrino oscillations in Earth for probing dark matter inside the core

Upadhyay¹,

Kumar²,

Agarwalla³

et al. 2021

Preprint

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Atmospheric neutrinos offer the possibility of probing dark matter inside the core of the Earth in a unique way, through Earth matter effects in neutrino oscillations. For example, if dark matter constitutes 40% of the mass inside the core, a detector like ICAL at INO with muon charge identification capability can be sensitive to it at around 2σ confidence level with 1000 kt•yr exposure. We demonstrate that while the dark matter profile will be hard to identify, the baryonic matter profile inside the core can be probed in a manner complementary to the seismic measurements.

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supporting

confidence: 65%

Neutrino oscillations in Earth for probing dark matter inside the core

Upadhyay¹,

Kumar²,

Agarwalla³

et al. 2021

Preprint

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“…To predict the expected flavor composition of astrophysical neutrinos, one needs to input two things: the flavor composition at the sources and the neutrino oscillation parameters [72]. Since the production mechanism of astrophysical neutrinos is unknown, we do not have sufficient information to assess if neutrinos would maintain their quantum coherence.…”

Section: Signals In the Astrophysical Neutrino Flavormentioning

confidence: 99%

“…The expected progress in measuring the astrophysical neutrino flavor composition was reported in Ref. [72]. In the next twenty years, with the inclusion of water-, ice-, and mountain-based neutrino detectors-such as KM3NeT [77], GVD [78], P-ONE [79], TAMBO [80], and IceCube-Gen2 [81]-the astrophysical neutrino flavor ratio will be measured with enough precision that the different neutrino production mechanisms will be able to be disentangled [72].…”

Section: Signals In the Astrophysical Neutrino Flavormentioning

confidence: 99%

Sterile Neutrinos with Neutrino Telescopes

Argüelles

Salvadó

2021

Universe

Self Cite

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Searches for light sterile neutrinos are motivated by the unexpected observation of an electron neutrino appearance in short-baseline experiments, such as the Liquid Scintillator Neutrino Detector (LSND) and the Mini Booster Neutrino Experiment (MiniBooNE). In light of these unexpected results, a campaign using natural and anthropogenic sources to find the light (mass-squared-difference around 1 eV2) sterile neutrinos is underway. Among the natural sources, atmospheric neutrinos provide a unique gateway to search for sterile neutrinos due to the broad range of baseline-to-energy ratios, L/E, and the presence of significant matter effects. Since the atmospheric neutrino flux rapidly falls with energy, studying its highest energy component requires gigaton-scale neutrino detectors. These detectors—often known as neutrino telescopes since they are designed to observe tiny astrophysical neutrino fluxes—have been used to perform searches for light sterile neutrinos, and researchers have found no significant signal to date. This brief review summarizes the current status of searches for light sterile neutrinos with neutrino telescopes deployed in solid and liquid water.

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“…Furthermore, the Ice-Cube events up to PeV energies have been used to constrain the neutrino cross section for the first time at a center-of-mass (COM) energy as high as ∼ 1 TeV for the neutrino-proton collision [31][32][33]. Besides verifying the SM predictions, UHE neutrino telescopes are also good facilities to probe certain new physics scenarios beyond the SM [34,35]: test of equivalence principle and Lorentz invariance [36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54], unitarity [55][56][57], fifth forces [58], microscopic black holes [59][60][61][62][63][64][65][66][67][68][69][70], monopoles [71][72][73][74][75], neutrino transition magnetic moment [76,…”

Section: Introductionmentioning

confidence: 99%

Probing New Physics at Future Tau Neutrino Telescopes

Huang,

Jana,

Lindner

et al. 2021

Preprint

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We systematically investigate new physics scenarios that can modify the interactions between neutrinos and matter at upcoming tau neutrino telescopes, which will test neutrinoproton collisions with energies 45 TeV, and can provide unique insights to the elusive tau neutrino. At such high energy scales, the impact of parton distribution functions of second and third generations of quarks (usually suppressed) can be comparable to the contribution of first generation with small momentum fraction, hence making tau neutrino telescopes an excellent facility to probe new physics associated with second and third families. Among an inclusive set of particle physics models, we identify new physics scenarios at tree level that can give competitive contributions to the neutrino cross sections while staying within laboratory constraints: charged/neutral Higgs and leptoquarks. Our analysis is close to the actual experimental configurations of the telescopes, and we perform a χ 2 -analysis on the energy and angular distributions of the tau events. By numerically solving the propagation equations of neutrino and tau fluxes in matter, we obtain the sensitivities of representative upcoming tau neutrino telescopes, GRAND, POEMMA and Trinity, to the charged Higgs and leptoquark models. While each of the experiments can achieve a sensitivity better than the current collider reaches for certain models, their combination is remarkably complementary in probing the new physics. In particular, the new physics will affect the energy and angular distributions in different ways at those telescopes.

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The future of high-energy astrophysical neutrino flavor measurements

Cited by 76 publications

References 202 publications

Neutrino oscillations in Earth for probing dark matter inside the core

Neutrino oscillations in Earth for probing dark matter inside the core

Sterile Neutrinos with Neutrino Telescopes

Probing New Physics at Future Tau Neutrino Telescopes

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