2015
DOI: 10.1007/jhep12(2015)167
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Exploring flavor-dependent long-range forces in long-baseline neutrino oscillation experiments

Abstract: 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 … Show more

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Cited by 8 publications
(10 citation statements)
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References 180 publications
(261 reference statements)
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“…The matter effects due to light mediators have been studied before [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21]. The mediators, mostly considered in the literature, are new gauge bosons of the lepton numbers L e −L µ , L µ −L τ or L τ −L e .…”
Section: Introductionmentioning
confidence: 99%
“…The matter effects due to light mediators have been studied before [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21]. The mediators, mostly considered in the literature, are new gauge bosons of the lepton numbers L e −L µ , L µ −L τ or L τ −L e .…”
Section: Introductionmentioning
confidence: 99%
“…It is quite obvious that the resultant gauge boson should couple to matter very weakly to escape direct detection. On top of it, if the extra gauge boson associated with this abelian symmetry is very light, then it can give rise to longrange force having terrestrial range (greater than or equal to the Sun-Earth distance) and without introducing extremely low mass scales [37,39,40]. Interestingly, this LRF depends on the leptonic content and the mass of an object.…”
Section: Flavor-dependent Long-range Forcesmentioning
confidence: 99%
“…The approximate analytical expressions for the effective mass-squared differences and mixing angles in presence of V CC and V eµ (due to L e − L µ symmetry) have been given in Ref. [40]. In this paper, we derive the analytical expressions for L e − L τ symmetry.…”
Section: "Running" Of Oscillation Parametersmentioning
confidence: 99%
“…ous limits from atmospheric, solar, and reactor neutrino experiments [7,8,[27][28][29][30][31][32]. By tapping into a Universe's worth of electrons, we reach the best possible sensitivity.…”
mentioning
confidence: 99%
“…The first term accounts for vacuum oscillations: 2 21 , ∆m 2 31 ), and U is the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix, parametrized, as usual, via the mixing angles θ 12 , θ 23 , θ 13 , and the CP-violation phase δ CP . The second term accounts for the new interaction [7,8,27,28,[30][31][32]:…”
mentioning
confidence: 99%