Limits on neutrino oscillations from a study of νe charged current interactions

Erriquez, O.; Natali, S.; Nuzzo, S.; Pullia, A.; Romano, F.; Colley, D.C.; Jones, G.; O’Neale, S. W.; Sewell, S. J.; Bertrand-Coremans, G.; Mulkens, H.; Sacton, J.; Velde-Wilquet, C. Vander; Doninck, W. Van; Brisson, V.; Petiau, P.; Cooper, A.M.; Guy, J.; Michette, A. G.; Tyndel, M.; Vénus, W.; Alitti, J.; Baton, J.P.; Gerbier, G.; Kochowski, C.; Neveu, M.; Baker, N. J.; Bartley, J. H.; Bullock, F. W.

doi:10.1016/0370-2693(81)90217-3

Cited by 59 publications

(11 citation statements)

References 10 publications

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“…The values of |U e3 | and m 3 are constrained by the null results of the oscillation experiments performed at reactors [14,15] and accelerators [16,17]. Since m 1 < m 2 ∼ = m ⊙ , the oscillation length associated with ∆m 2 21 is much longer than the relevant source-detector distances and the indicated oscillation experiments are sensitive only to ∆m 2 31 = m 2 3 − m 2 1 ∼ = m 2 3 ( ∼ = ∆m 2 32 ).…”

Section: The Case Of Strong Neutrino Mass Hierarchymentioning

confidence: 99%

Neutrinoless double beta decay and the solar neutrino problem

1994

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The MSW or vacuum oscillation solution of the solar neutrino problem can be reconciled with possible existence of the (ββ) 0ν decay with a half-life corresponding to an effective Majorana mass of the electron neutrino |m ee | ∼ = (0.1 − 1.0) eV. The phenomenological consequences of such a possibility are analyzed and the implications for the mechanisms of neutrino mass generation are considered.

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Section: The Case Of Strong Neutrino Mass Hierarchymentioning

confidence: 99%

Neutrinoless double beta decay and the solar neutrino problem

1994

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“…Our upper limit on the mixing angle for large ∆m 2 is better than was obtained in [6] but does not improve the best existing limits from Refs. [7,8]. The most stringent limit from accelerator neutrino experiments is sin 2 2θ < 7 × 10 −2 [7], which however is reached only for values of ∆m 2 > 100 eV 2 .…”

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confidence: 99%

“…[7,8]. The most stringent limit from accelerator neutrino experiments is sin 2 2θ < 7 × 10 −2 [7], which however is reached only for values of ∆m 2 > 100 eV 2 .…”

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confidence: 99%

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Limits on electron-neutrino oscillations from the GALLEX 51Cr source experiment

1995

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The recent result from the chromium source experiment carried out by the GALLEX collaboration implies interesting limits on the parameters ∆m 2 and sin 2 2θ describing neutrino oscillations. Values of ∆m 2 > 0.17 eV 2 for maximal mixing and of sin 2 2θ > 0.38 for ∆m 2 > 1 eV 2 are ruled out at 90% C.L. This result improves by more than an order of magnitude previous limits on ∆m 2 derived from electron-neutrino oscillation experiments at accelerators.

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“…regions explorable with the source at D = 9 m from the detector center for oscillations into sterile neutrinos (dot-dashed line) and into ν τ (dashed line). Available results from reactor [20,21] and accelerator [22] experiments are also shown (solid line). …”

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confidence: 99%

The 51Cr neutrino source and Borexino: a desirable marriage

1996

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Exposure to a 51 Cr neutrino source as that used in Gallex will provide an excellent overall performance test of Borexino, which should collect about 1400 source induced events, with an initial rate of about 35 counts per day. This will be particularly important if MSW-small-angle turns out to be the solution of the solar neutrino problem. In addition, if an independent, accurate calibration is available, one will have an interesting experiment on neutrino properties: as an example, a neutrino magnetic moment of the order 5 · 10 −11 µ B could be detected/excluded at the 90% C.L.Borexino at Gran Sasso [1] has a lot to tell about 7 Be solar neutrinos: Standard Solar Models (SSMs) predict a rate λ ⊙ ≃ 50 counts per day (c.p.d.), mostly from the 7 Be neutrinos, over an estimated background λ b ≃ 10 c.p.d. At such rates, seasonal modulations of λ ⊙ , corresponding to variations in the earth-sun distance R ES , should allow a clean discrimination of signal to background. In addition, the Just-So oscillation mechanism predicts large seasonal modulations of the signal, well in excess of the 1/R 2 ES law, which are clearly detectable with Borexino.On the other hand, several scenarios predict much smaller event rates, comparable to or even smaller than the expected bacgkround: this is the case of the MSW-small-angle solutions, both for oscillations into active and sterile neutrinos. Also, if one insists on the massless neutrinos of the minimal electroweak theory, the available results (from Gallex

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Limits on neutrino oscillations from a study of νe charged current interactions

Cited by 59 publications

References 10 publications

Neutrinoless double beta decay and the solar neutrino problem

Neutrinoless double beta decay and the solar neutrino problem

Limits on electron-neutrino oscillations from the GALLEX 51Cr source experiment

The 51Cr neutrino source and Borexino: a desirable marriage

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