Private International Law in South Asia—A Few Pointers for Harmonization

Zeller, Bruno

doi:10.1007/978-981-10-3458-9_21

Cited by 3 publications

(3 citation statements)

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“…[48,49], where the authors gave the cross-section for water and isoscalar targets. To obtain cross-sections for LAr, we have scaled the inclusive charged current cross-sections of water by a factor of 1.06 for neutrino, and 0.94 for anti-neutrino [50,51]. The details of the statistical method that we follow in the present work, are exactly similar to what have been described in section 4 of Ref.…”

Section: Description Of Dune Setup and Statistical Analysismentioning

confidence: 99%

Physics reach of DUNE with a light sterile neutrino

Agarwalla

Chatterjee

Palazzo

2016

J. High Energ. Phys.

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Abstract:We investigate the implications of one light eV scale sterile neutrino on the physics potential of the proposed long-baseline experiment DUNE. If the future shortbaseline experiments confirm the existence of sterile neutrinos, then it can affect the mass hierarchy (MH) and CP-violation (CPV) searches at DUNE. The MH sensitivity still remains above 5σ if the three new mixing angles (θ 14 , θ 24 , θ 34 ) are all close to θ 13 . In contrast, it can decrease to 4σ if the least constrained mixing angle θ 34 is close to its upper limit ∼ 30 0 . We also assess the sensitivity to the CPV induced both by the standard CP-phase δ 13 ≡ δ, and the new CP-phases δ 14 and δ 34 . In the 3+1 scheme, the discovery potential of CPV induced by δ 13 gets deteriorated compared to the 3ν case. In particular, the maximal sensitivity (reached around δ 13 ∼ ± 90 0 ) decreases from 5σ to 4σ if all the three new mixing angles are close to θ 13 . It can further diminish to almost 3σ if θ 34 is large (∼ 30 0 ). The sensitivity to the CPV due to δ 14 can reach 3σ for an appreciable fraction of its true values. Interestingly, θ 34 and its associated phase δ 34 can influence both the ν e appearance and ν µ disappearance channels via matter effects, which in DUNE are pronounced. Hence, DUNE can also probe CPV induced by δ 34 provided θ 34 is large. We also reconstruct the two phases δ 13 and δ 14 . The typical 1σ uncertainty on δ 13 (δ 14 ) is ∼ 20 0 (30 0 ) if θ 34 = 0. The reconstruction of δ 14 (but not that of δ 13 ) degrades if θ 34 is large.

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Section: Description Of Dune Setup and Statistical Analysismentioning

confidence: 99%

Physics reach of DUNE with a light sterile neutrino

Agarwalla

Chatterjee

Palazzo

2016

J. High Energ. Phys.

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“…[64,65], where the authors calculated the cross section for water and isoscalar targets. In order to have LAr cross sections for DUNE, we have scaled the inclusive charged current (CC) cross sections of water by a factor of 1.06 (0.94) for neutrino (antineutrino) [66,67]. We denote the true and reconstructed neutrino energies by the quantities E and E A , respectively.…”

Section: Event Ratesmentioning

confidence: 99%

Addressing neutrino mixing models with DUNE and T2HK

et al. 2018

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We consider schemes of neutrino mixing arising within the discrete symmetry approach to the well-known flavour problem. We concentrate on 3ν mixing schemes in which the cosine of the Dirac CP violation phase δ CP satisfies a sum rule by which it is expressed in terms of three neutrino mixing angles θ 12 , θ 23 , and θ 13 , and a fixed real angle θ ν 12 , whose value depends on the employed discrete symmetry and its breaking. We consider five underlying symmetry forms of the neutrino mixing matrix: bimaximal (BM), tri-bimaximal (TBM), golden ratio A (GRA) and B (GRB), and hexagonal (HG). For each symmetry form, the sum rule yields specific prediction for cos δ CP for fixed θ 12 , θ 23 , and θ 13 . In the context of the proposed DUNE and T2HK facilities, we study (i) the compatibility of these predictions with present neutrino oscillation data, and (ii) the potential of these experiments to discriminate between various symmetry forms.

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“…[123,124], where the authors estimated the cross-section for water and isoscalar targets. In order to have LAr cross-sections, we have scaled the inclusive charged current cross-sections of water by a factor of 1.06 for neutrino and 0.94 for antineutrino [125,126]. The quantities E and E A are the true and reconstructed (anti-)neutrino energies respectively, and L is the path length.…”

Section: Event Spectrum and Ratesmentioning

confidence: 99%

Exploring flavor-dependent long-range forces in long-baseline neutrino oscillation experiments

Chatterjee

Dasgupta

Agarwalla

2015

J. High Energ. Phys.

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The Standard Model gauge group can be extended with minimal matter content by introducing anomaly free U(1) symmetry, such as L e − L µ or L e − L τ . If the neutral gauge boson corresponding to this abelian symmetry is ultra-light, then it will give rise to flavor-dependent long-range leptonic force, which can have significant impact on neutrino oscillations. For an instance, the electrons inside the Sun can generate a flavor-dependent long-range potential at the Earth surface, which can suppress the ν µ → ν e appearance probability in terrestrial experiments. The sign of this potential is opposite for anti-neutrinos, and affects the oscillations of (anti-)neutrinos in different fashion. This feature invokes fake CP-asymmetry like the SM matter effect and can severely affect the leptonic CP-violation searches in long-baseline experiments. In this paper, we study in detail the possible impacts of these long-range flavor-diagonal neutral current interactions due to L e − L µ symmetry, when (anti-)neutrinos travel from Fermilab to Homestake (1300 km) and CERN to Pyhäsalmi (2290 km) in the context of future high-precision superbeam facilities, DUNE and LBNO respectively. If there is no signal of long-range force, DUNE (LBNO) can place stringent constraint on the effective gauge coupling α eµ < 1.9 × 10 −53 (7.8 × 10 −54 ) at 90% C.L., which is almost 30 (70) times better than the existing bound from the Super-Kamiokande experiment. We also observe that if α eµ ≥ 2 × 10 −52 , the CP-violation discovery reach of these future facilities vanishes completely. The mass hierarchy measurement remains robust in DUNE (LBNO) if α eµ < 5 × 10 −52 (10 −52 ).1 Two patterns of neutrino masses are possible: m3 > m2 > m1, called normal hierarchy (NH) where ∆m 2 31 > 0 and m2 > m1 > m3, called inverted hierarchy (IH) where ∆m 2 31 < 0.

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Private International Law in South Asia—A Few Pointers for Harmonization

Cited by 3 publications

References 0 publications

Physics reach of DUNE with a light sterile neutrino

Physics reach of DUNE with a light sterile neutrino

Addressing neutrino mixing models with DUNE and T2HK

Exploring flavor-dependent long-range forces in long-baseline neutrino oscillation experiments

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