Minimal dilaton model

Abe, Tomohiro; Kitano, Ryuichiro; Konishi, Yasufumi; Oda, Kin-ya; Sato, Joe; Sugiyama, Shohei

doi:10.1103/physrevd.86.115016

Cited by 82 publications

(117 citation statements)

References 51 publications

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“…The measured value is sin 2 θ 13 = 0.029 +0.014 −0.015 , which is 2σ level away from zero. The obtained result is consistent with the precise reactor measurement [20,21,22].…”

Section: Neutrino Oscillation Analysissupporting

confidence: 91%

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Solar neutrino results from Super-Kamiokande

Nakano¹

2017

Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)

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Super-Kamiokande (SK), a 50 kton water Cherenkov detector in Japan, observes 8 B solar neutrinos with neutrino-electron elastic scattering. SK searches for distortions of the solar neutrino energy spectrum caused by the edge of the MSW resonance in the core of the Sun. It also searches for a day/night solar neutrino flux asymmetry induced by the matter in the Earth. The installation of new front-end electronics in 2008 marks the beginning of the 4th phase of SK (SK-IV). With the improvement of the water circulation system, calibration methods, reduction cuts, this phase achieved the lowest energy threshold thus far (3.5 MeV kinetic energy). SK observed solar neutrinos for about 19 years, that is 5,200 days. This long operation covers more than 1.5 solar activity cycles. An analysis about a possible correlation between solar neutrino flux and 11 year activity cycle will be presented. To test the matter effect induced by the Sun and the Earth, the energy spectrum and the day/night solar neutrino flux asymmetry from SK-I to SK-IV is analyzed. A global oscillation analysis using SK-I,II,III, and SK-IV data and combined with the results of other solar neutrino experiments as well as KamLAND reactor experiment has been carried out. The results of this global analysis will be presented as well.

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“…The measured value is sin 2 θ 13 = 0.029 +0.014 −0.015 , which is 2σ level away from zero. The obtained result is consistent with the precise reactor measurement [20,21,22].…”

Section: Neutrino Oscillation Analysissupporting

confidence: 91%

“…In addition, the energy spectrum analysis slightly disfavors the MSW prediction by ∼ 2σ level. In the solar neutrino oscillation analysis combined with the KamLAND result, oscillation parameters are determined as ∆m [20,21,22].…”

Section: Discussionmentioning

confidence: 99%

Solar neutrino results from Super-Kamiokande

Nakano¹

2017

Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)

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“…± 0.025(syst.) was reported based on an improved analysis on rate and energy shape with 228 days of data [18]. The collaboration recently reported a θ 13 measurement by identifying a delayed signal of neutron capture on Hydrogen: sin 2 (2θ 13 ) = 0.097 ± 0.034(stat.)…”

Section: Experimental Statusmentioning

confidence: 99%

“…This figure is taken from Ref. [18], and is updated with additional, recent measurements of Daya Bay and RENO which are described in Chapter 3.…”

Section: Measurement Of the Last And Smallest Neutrino Mixing Anglementioning

confidence: 99%

Results on θ₁₃Neutrino Oscillations from Reactor Experiments

Kim

2014

EPJ Web of Conferences

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Abstract. Definitive measurements of the smallest neutrino mixing angle θ 13 were made by Daya Bay, Double Chooz and RENO in 2012, based on the disappearance of electron antineutrinos emitted from reactors. The new generation reactor experiments have significantly improved a sensitivity for θ 13 down to the sin 2 (2θ 13 )~0.01 level using two identical detectors of 10 ~ 40 tons at near (300 ~ 400 m) and far (1 ~ 2 km) locations. The θ 13 measurements by the three reactor experiments are presented with their future expected sensitivities.

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“…α 1∼4 are described before. The penalty term (v) optionally provides a constraint on the neutrino oscillation parameters from solar [51][52][53][54][55], accelerator (T2K [56], MINOS [57]), and short-baseline reactor neutrino experiments (Double CHOOZ [58], Daya Bay [59], RENO [60]). Figure 24 shows the prompt energy spectra ofν e candidate events.…”

Section: Energy Spectrum and Neutrino Oscillation Analysismentioning

confidence: 99%

Antineutrino science in KamLAND

Suzuki

2014

Eur. Phys. J. C

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The primary goal of KamLAND is a search for the oscillation ofν e 's emitted from distant power reactors. The long baseline, typically 180 km, enables KamLAND to address the oscillation solution of the "solar neutrino problem" withν e 's under laboratory conditions. KamLAND found fewer reactorν e events than expected from standard assumptions about ν e propagation at more than 9σ confidence level (C.L.). The observed energy spectrum disagrees with the expected spectral shape at more than 5σ C.L., and prefers the distortion from neutrino oscillation effects. KamLAND also demonstrated almost two cycles of the periodic feature expected from neutrino oscillation effects. KamLAND performed the first experimental study of antineutrinos from the Earth's interior socalled geoneutrinos (geoν e 's), and succeeded in detecting geoν e 's produced by the decays of 238 U and 232 Th within the Earth. Assuming a chondritic Th/U mass ratio, we obtain 116 +28 −27ν e events from 238 U and 232 Th, corresponding a geō ν e flux of 3.4 +0.8 −0.8 × 10 6 cm −2 s −1 at the KamLAND location. We evaluate various bulk silicate Earth composition models using the observed geoν e rate.

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Minimal dilaton model

Cited by 82 publications

References 51 publications

Solar neutrino results from Super-Kamiokande

Solar neutrino results from Super-Kamiokande

Results on θ₁₃Neutrino Oscillations from Reactor Experiments

Antineutrino science in KamLAND

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Minimal dilaton model

Cited by 82 publications

References 51 publications

Solar neutrino results from Super-Kamiokande

Solar neutrino results from Super-Kamiokande

Results on θ13Neutrino Oscillations from Reactor Experiments

Antineutrino science in KamLAND

Contact Info

Product

Resources

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Results on θ₁₃Neutrino Oscillations from Reactor Experiments