Remarks on the Unified Model of Elementary Particles

Maki, Ziro; Nakagawa, Masami; Sakata, Shoichi

doi:10.1143/ptp.28.870

Cited by 3,568 publications

(3,651 citation statements)

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“…The CHOOZ experiment [15] gives a bound θ 13 as a function of ∆m 2 31 . The physical effects involved in the interpretation are -vacuum oscillations [9,10,16] (atmospheric neutrinos -main mode, K2K, MINOS and CHOOZ); -the Mikheyev-Smirnov-Wolfenstein (MSW) effect -the adiabatic conversion [17,18] (conversion of solar neutrinos in the matter of the Sun; at low energies solar neutrinos undergo the averaged vacuum oscillation with small matter effect); and -oscillations in matter [17,18] (oscillations of solar and atmospheric neutrinos in the matter of Earth). These oscillations produce sub-leading effects and have not yet been established at the statistically significant level.…”

Section: Experimental Results and Global Fitsmentioning

confidence: 99%

Neutrino mass and New physics

Smirnov

2006

J. Phys.: Conf. Ser.

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We review the present state and future outlook of our understanding of neutrino masses and mixings. We discuss what we think are the most important perspectives on the plausible and natural scenarios for neutrinos and attempt to throw light onto the flavor problem of quarks and leptons. This review focuses on the seesaw mechanism, which fits into a big picture of particle physics such as supersymmetry and grand unification providing a unified approach to the flavor problem of quarks and leptons. We argue that in combination with family symmetries, this may be at the heart of a unified understanding of the flavor puzzle. We also discuss other new physics ideas such as neutrinos in models with extra dimensions and possible theoretical implications of sterile neutrinos. We outline some tests for the various schemes.

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Section: Experimental Results and Global Fitsmentioning

confidence: 99%

Neutrino mass and New physics

Smirnov

2006

J. Phys.: Conf. Ser.

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“…The present framework of neutrino oscillations is described by three mixing angles ( 12,  23 and  13 ) and one phase angle in the Pontecorvo-Maki-Nakagawa-Sakata matrix [1,2]. Neutrino oscillation was discovered in the atmospheric neutrino by the Super-Kamiokande experiment in 1998 [3].…”

Section: Measurement Of the Smallest Neutrino Mixing Anglementioning

confidence: 99%

Review of Reactor Neutrino Experiments

Kim

2015

Proceedings of the 2nd International Symposium on Science at J-Parc — Unlocking the Mysteries of Life, Matter and the Universe

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New generation of reactor neutrino experiments, Daya Bay and RENO, have made definitive measurements of the smallest neutrino mixing angle  13 in 2012, based on the disappearance of electron antineutrinos. More precise measurements of the mixing angle and reactor neutrino spectra have been made and presented. A rather large value of  13 has opened a new window to find the CP violation phase and to determine the neutrino mass hierarchy. Future reactor experiments, JUNO and RENO-50, are proposed to determine the neutrino mass hierarchy and to make highly precise measurements of  12 m 21 2 , andm 31 2 

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“…The mixing matrix is parametrised by three mixing angles (θ 12 , θ 23 , and θ 13 ) and one phase parameter (δ) [8][9][10][11]. If δ is non-zero (and not equal to π), then CP-invariance violation in the neutrino sector will occur so long as θ 13 > 0.…”

Section: Neutrino Oscillations and The Neutrino Factorymentioning

confidence: 99%