Atmospheric   ratio in the multi-GeV energy range

Fukuda, Y.; Hayakawa, Tomokatsu; Inoue, K.; Ishida, Toru; Joukou, S.; Kajita, T.; Kasuga, S.; Koshio, Y.; Kumita, T.; Matsumoto, K.; Nakahata, M.; Nakamura, K.; Sakai, Akito; Shiozawa, M.; Suzuki, Junya; Suzuki, Y.; Totsuka, Y.; Hirata, Keiko; Kihara, K.; Mori, M.; Oyama, Y.; Yamada, Masashi; Koshiba, M.; Nishijima, Kazuhiko; Kajimura, T.; Suda, T.; Suzuki, A.; Ishizuka, T.; Koga, M.; Miyano, K.; Miyata, H.; Okazawa, H.; Takei, H.; Hara, T.; Kishi, Naoyuki; Nagashima, Yoshihiko; Takita, M.; Yoshimoto, Akio; Hayato, Y.; Kaneyuki, K.; Takeuchi, Y.; Tanimori, T.; Tasaka, S.; Nishikawa, K.; Beier, E. W.; Frank, E.D.; Frati, W.; Kim, S.B.; Mann, A. K.; Newcomer, F. M.; Berg, R. Van; Zhang, W.

doi:10.1016/0370-2693(94)91420-6

Cited by 713 publications

(458 citation statements)

References 21 publications

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“…We propose some simple neutrino mass matrices which predict such a mixing matrix.In this brief note, we suggest that the accumulating neutrino data [1][2][3], including the recent results from KamLAND [4] and K2K [5], point to a relatively simple neutrino mass matrix. The data can be explained by oscillations between three active neutrinos with the atmospheric neutrino and K2K data explained by oscillation between the muon and the tauon neutrinos, and the solar neutrino and KamLAND data explained by the oscillation between the electron and muon neutrinos.…”

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confidence: 99%

Some simple mixing and mass matrices for neutrinos

Zee

2003

Physics Letters B

310

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We argue that the accumulated neutrino data, including recent results from KamLAND and K2K, point to a neutrino mixing matrix with (V 11 , V 21 , V 31 ;. We propose some simple neutrino mass matrices which predict such a mixing matrix.In this brief note, we suggest that the accumulating neutrino data [1][2][3], including the recent results from KamLAND [4] and K2K [5], point to a relatively simple neutrino mass matrix. The data can be explained by oscillations between three active neutrinos with the atmospheric neutrino and K2K data explained by oscillation between the muon and the tauon neutrinos, and the solar neutrino and KamLAND data explained by the oscillation between the electron and muon neutrinos. Following standard convention, let us denote the neutrinos current eigenstates, coupled to the charged leptons by the W bosons, by ν α (α = e, µ, τ ) and the neutrino mass eigenstates by ν i (i = 1, 2, 3). We will take the neutrinos to be Majorana as seems likely [6], and thus the neutrino mass matrix M αβ is symmetric in the basis of the current eigenstates. We will also for simplicity assume CP conservation so that M is real. Thus, M is diagonalized by an orthogonal transformation

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confidence: 99%

Some simple mixing and mass matrices for neutrinos

Zee

2003

Physics Letters B

310

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“…Two decades ago, there were two neutrino disappearance anomalies: solar ν e neutrino rates were observed to be suppressed, in an energy-threshold-dependent way, in several experiments (chlorine and gallium radiochemical experiments, as well as the Kamiokande II water-Cherenkov experiment) [1]. Furthermore IMB [2] and Kamiokande II [3] had observed an energy-dependent deficit of upward-going atmospheric ν µ . Now, in both cases, these anomalies have been resolved and shown definitively to be due to neutrino oscillations.…”

Section: Current Statusmentioning

confidence: 99%

Neutrino Oscillation Experiments

Scholberg¹

2017

Proceedings of the 14th International Symposium on Nuclei in the Cosmos (NIC2016)

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The discovery of neutrino oscillations was recognized by the 2015 Nobel Prize. Tremendous progress has been made in the past two decades on understanding of neutrino mass and mixing properties, yet there are remaining unknowns. This talk presented an overview of neutrino oscillation experiments, with emphasis on recent results from beam and reactor experiments, as well as exciting prospects for the next decades.

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“…Among these, NEUT [71,72] and NUANCE [73] are commonly used for the recent neutrino oscillation and interaction measurements. NEUT is used in the Kamiokande [74], Super-Kamiokande [12], K2K [13], and T2K experiments, while NUANCE is used in MiniBooNE and as a check of simulations in several experiments. Although they are both tuned to describe the experimental data, they…”

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confidence: 99%

A Measurement of Neutrino Charged Current Interactions and a Search for Muon Neutrino Disappearance with the Fermilab Booster Neutrino Beam

Nakajima

2011

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In this thesis, we report on a measurement of muon neutrino inclusive charged current interactions on carbon in the few GeV region, using the Fermilab Booster Neutrino Beam. The all neutrino mode data collected in the SciBooNE experiment is used for this analysis.We collected high-statistics CC interaction sample at SciBooNE, and extracted energy dependent inclusive charged current interaction rates and cross sections for a wide energy range from 0.25 GeV to ∼3 GeV. We measure the interaction rates with 6-15% precision, and the cross sections with 10-30% precision. We also made an energy integrated measurements, with the precisions of 3% for the rate, and 8% for the cross section measurements. This is the first measurement of the CC inclusive cross section on carbon around 1 GeV.This inclusive interaction measurement is nearly free from effects of hadron re-interactions in the nucleus. Hence, it is complementary to other exclusive cross section measurements, and essential to understand the neutrino interaction cross sections in the few GeV region, which is relevant to ongoing and future neutrino oscillation experiments. This analysis also provides the normalization for SciBooNE's previous cross section ratio measurements for charged current coherent pion production and neutral current neutral pion production. Then, a precise comparison between our previous measurements and the model predictions becomes possible.The result of the interaction rate measurement is used to constrain the product of the neutrino flux and the cross section at the other experiment on the Fermilab Booster Neutrino Beam: MiniBooNE. We conducted a search for short-baseline muon neutrino disappearance using data both from SciBooNE and MiniBooNE, to test a possible neutrino oscillation with sterile neutrinos which is suggested by the LSND experiment. With this constraint by SciBooNE, we significantly reduced the flux and the cross section uncertainties at MiniBooNE, and achieved the world best sensitivity for the ν µ disappearance at 0.5 < ∆m 2 < 30 (eV 2 ). We found no significant oscillation signal, and set one of the world strongest limits for the sterile neutrino models.ii

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Atmospheric ratio in the multi-GeV energy range

Cited by 713 publications

References 21 publications

Some simple mixing and mass matrices for neutrinos

Some simple mixing and mass matrices for neutrinos

Neutrino Oscillation Experiments

A Measurement of Neutrino Charged Current Interactions and a Search for Muon Neutrino Disappearance with the Fermilab Booster Neutrino Beam

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