Nonstandard interactions versus planet-scale neutrino oscillations

Feng, Weijie; Tang, J.; Wang, Tse-Chun; Zhou, Yixing

doi:10.1103/physrevd.100.115034

Cited by 8 publications

(2 citation statements)

References 62 publications

(79 reference statements)

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“…To verify that µτ may be constrained independently 3 , atmospheric fluxes were simulated with NSI boundary values presented by Refs. [23,27] and nonµτ parameters were found to induce < 0.2% neutrino disappearance at all energies and zenith angles, whereas µτ = 0.003 (analysis 90% CL right bound) induces ∼3.2% disappearance. At NSI parameter magnitudes approaching the analysis sensitivity, the amount of disappearance decreases for all parameters except µτ , which maintains ∼ 3% disappearance.…”

Section: Neutrino Oscillations In Earth With Nonstandard Interactionsmentioning

confidence: 84%

Strong constraints on neutrino nonstandard interactions from TeV-scale $ν_μ$ disappearance at IceCube

Abbasi,

Ackermann,

Adams

et al. 2022

Preprint

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We report a search for nonstandard neutrino interactions (NSI) using eight years of TeV-scale atmospheric muon neutrino data from the IceCube Neutrino Observatory. By reconstructing incident energies and zenith angles for atmospheric neutrino events, this analysis presents unified confidence intervals for the NSI parameter µτ . The best-fit value is consistent with no NSI at a p-value of 25.2%. With a 90% confidence interval of −0.0041 ≤ µτ ≤ 0.0031 along the real axis and similar strength in the complex plane, this result is the strongest constraint on any NSI parameter from any oscillation channel to date.

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Section: Neutrino Oscillations In Earth With Nonstandard Interactionsmentioning

confidence: 84%

Strong constraints on neutrino nonstandard interactions from TeV-scale $ν_μ$ disappearance at IceCube

Abbasi,

Ackermann,

Adams

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…Long-baseline(LBL) experiments are the next generation neutrino oscillation experiments for their sensitivity to neutrino mass ordering and CP violating phase δ CP [37][38][39][40][41][42]. In recent T2K measurement, a preference of normal mass ordering and a best-fit value of δ CP at -1.89 corresponding to this ordering is reported [43].…”

Section: Introductionmentioning

confidence: 99%

Constraints on neutrino non-standard interactions from LHC data with large missing transverse momentum

Liu

Sun

Gao

2021

J. High Energ. Phys.

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The possible non-standard interactions (NSIs) of neutrinos with matter plays important role in the global determination of neutrino properties. In our study we select various data sets from LHC measurements at 13 TeV with integrated luminosities of 35 ∼ 139 fb−1, including production of a single jet, photon, W/Z boson, or charged lepton accompanied with large missing transverse momentum. We derive constraints on neutral-current NSIs with quarks imposed by different data sets in a framework of either effective operators or simplified Z′ models. We use theoretical predictions of productions induced by NSIs at next-to-leading order in QCD matched with parton showering which stabilize the theory predictions and result in more robust constraints. In a simplified Z′ model we obtain a 95% CLs upper limit on the conventional NSI strength ϵ of 0.042 and 0.0028 for a Z′ mass of 0.2 and 2 TeV respectively. We also discuss possible improvements from future runs of LHC with higher luminosities.

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Optimal configuration of Protvino to ORCA experiment for hierarchy and non-standard interactions

Singha

Ghosh

Majhi

et al. 2022

J. High Energ. Phys.

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In this paper, we study the hierarchy sensitivity of Protvino to ORCA (P2O) experiment in three flavour scenario as well as its sensitivity to non-standard interactions (NSI) in neutrino propagation. Because of the largest possible baseline length of 2595 km, P2O is expected to have strong sensitivity towards neutrino mass hierarchy and NSI parameters. In our study, we show that even though the number of appearance channel events for the minimal configuration of P2O are higher compared to DUNE, still the hierarchy sensitivity of P2O is less than DUNE because of large background events. Our results show that for a background reduction factor of 0.46 and appearance channel background systematic normalization error of 4%, the hierarchy sensitivity of P2O becomes equivalent of DUNE for δCP = 195°. We call this configuration of P2O as optimized P2O. Regarding the study of NSI, we find that, for ϵeμ (ϵeτ) sensitivity of DUNE is similar (better) as compared to optimized P2O when both ϵeμ and ϵeτ are included in the analysis. Our results show that in presence of NSI, the change of hierarchy sensitivity with respect to standard three flavor scenario, is higher in P2O as compared to DUNE. Further, hierarchy sensitivity in presence of NSI is lower (higher) than sensitivity in the standard three flavour scenario for δCP = 270°(90°). It is important to note that hierarchy sensitivity of optimized P2O does not get significantly better than DUNE for the current favourable values of δCP which is 180° < δCP< 360° as obtained by the global analysis in both standard three flavour and in presence of NSI.

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Nonstandard interactions versus planet-scale neutrino oscillations

Cited by 8 publications

References 62 publications

Strong constraints on neutrino nonstandard interactions from TeV-scale $ν_μ$ disappearance at IceCube

Strong constraints on neutrino nonstandard interactions from TeV-scale $ν_μ$ disappearance at IceCube

Constraints on neutrino non-standard interactions from LHC data with large missing transverse momentum

Optimal configuration of Protvino to ORCA experiment for hierarchy and non-standard interactions

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