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Sensitive searches for antineutrino oscillations in atmospheric mass parameter region much discussed in recent years are based on accurate comparison of the inverse beta decay positron spectra measured in two (or more) detectors, far and…

High Energy Physics - Phenomenology · Physics 2015-06-25 V. Kopeikin , L. Mikaelyan , V. Sinev

The RENO experiment recently reported the disappearance of reactor electron antineutrinos consistent with neutrino oscillations, with a significance of 4.9 standard deviations. The published ratio of observed to expected number of…

We compare the physics potential of planned superbeams with the one of neutrino factories. Therefore, the experimental setups as well as the most relevant uncertainties and errors are considered on the same footing as much as possible. We…

High Energy Physics - Phenomenology · Physics 2014-11-17 Patrick Huber , Manfred Lindner , Walter Winter

The spectral shape of reactor antineutrinos measured in recent experiments shows anomalies in comparison to neutrino reference spectra. New precision measurements of the reactor neutrino spectra as well as more complete input in nuclear…

High Energy Physics - Experiment · Physics 2016-12-22 Christian Buck , Antoine P. Collin , Julia Haser , Manfred Lindner

Systematic analysis of the determination of the value of leptonic CP-violating angle delta and the neutrino mass hierarchy sgn(delta m^2_31) by long baseline neutrino oscillation experiments is presented. We note the difficulty to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Masafumi Koike , Masako Saito

A parametrisation of the degenerate neutrino mass matrix obeying $\mu -\tau$ symmetry, is introduced for detailed numerical analysis. As a continuation of our earlier work on normal and inverted hierarchical models, the present…

High Energy Physics - Phenomenology · Physics 2009-11-10 N. Nimai Singh , H. Zeen Devi , Abhijit Borah , S. Somorendro Singh

The next generation of double-beta decay experiments have an excellent chance of providing data on the neutrino mass pattern. This presentation is a summary of what is currently known about the mass pattern and expectations from experiment.…

Nuclear Experiment · Physics 2015-06-26 Steven R. Elliott

A substantial fraction of systematic uncertainties in neutrino oscillation experiments stem from the lack of precision in modeling the nuclear target in neutrino-nucleus interactions. Whilst this has driven significant progress in the…

High Energy Physics - Experiment · Physics 2025-01-15 J. Chakrani , S. Dolan , M. Buizza Avanzini , A. Ershova , L. Koch , K. McFarland , G. D. Megias , L. Munteanu , L. Pickering , K. Skwarczynski , V. Q. Nguyen , C. Wret

Assuming that neutrinos are Majorana particles, in a three generation framework, current and future neutrino oscillation experiments can determine six out of the nine parameters which fully describe the structure of the neutrino mass…

High Energy Physics - Phenomenology · Physics 2014-11-17 H. Nunokawa , W. J. C. Teves , R. Zukanovich Funchal

Reactor experiments are well suited to probe the possible loss of coherence of neutrino oscillations due to wave-packets separation. We combine data from the short-baseline experiments Daya Bay and the Reactor Experiment for Neutrino…

High Energy Physics - Phenomenology · Physics 2021-06-10 André de Gouvêa , Valentina De Romeri , Christoph A. Ternes

We explore the role of matter effect in the evolution of neutrino oscillation parameters in the presence of lepton-flavor-conserving and lepton-flavor-violating neutral-current non-standard interactions (NSI) of the neutrino. We derive…

High Energy Physics - Phenomenology · Physics 2021-12-01 Sanjib Kumar Agarwalla , Sudipta Das , Mehedi Masud , Pragyanprasu Swain

Current neutrino experiments measure the neutrino mixing parameters with an unprecedented accuracy. The upcoming generation of experiments will be sensitive to subdominant effects that can give information on the unknown neutrino…

High Energy Physics - Phenomenology · Physics 2018-01-30 Y. Farzan , M. Tortola

We review the current status of the neutrino mass and mixing parameters needed to reconstruct the neutrino mass matrix. A comparative study of the precision in the measurement of oscillation parameters expected from the next generation…

High Energy Physics - Phenomenology · Physics 2016-09-06 Sandhya Choubey

We discuss several new ideas for reactor neutrino oscillation experiments with a Large Liquid Scintillator Detector. We consider two different scenarios for a measurement of the small mixing angle $\theta_{13}$ with a mobile $\bar{\nu}_e$…

High Energy Physics - Phenomenology · Physics 2010-10-27 Joachim Kopp , Manfred Lindner , Alexander Merle , Mark Rolinec

Now that theta13 is known to be large, a medium baseline reactor experiment can observe the fine structure of the electron antineutrino survival probability curve, approximately periodic oscillations in L/E with wavelength 4pi/Delta M^2_31.…

High Energy Physics - Experiment · Physics 2015-06-11 Emilio Ciuffoli , Jarah Evslin , Xinmin Zhang

We study how the eightfold-degeneracy in the ($\theta_{13},\delta$) plane observed in $\gamma \sim 100$ $\beta$-beams can be reduced by periodically changing the ions in the storage ring. This ``ions cocktail'' allows to change the neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Donini , E. Fernandez-Martinez

In neutrino oscillation physics numerous exact degeneracies exist under the name LMA-Dark. These degeneracies make it impossible to determine the sign of $\Delta m^2_{31}$ known as the atmospheric mass ordering with oscillation experiments…

High Energy Physics - Phenomenology · Physics 2022-07-25 Peter B. Denton , Julia Gehrlein

Expressions for neutrino oscillations contain a high degree of symmetry, but typical forms for the oscillation probabilities mask these symmetries of the oscillation parameters. We elucidate the $2^7$ parameter symmetries of the vacuum…

High Energy Physics - Phenomenology · Physics 2022-01-19 Peter B. Denton , Stephen J. Parke

The measurement of the last undetermined neutrino mixing angle \theta_{13} is the main goal of the future experimental research on neutrino oscillations. At present, \theta_{13} is only known to be much smaller than the two other mixing…

High Energy Physics - Experiment · Physics 2007-05-23 Dario Motta

Environmental decoherence of oscillating neutrinos of strength $\Gamma = (2.3 \pm 1.1) \times 10^{-23}$ GeV can explain how maximal $\theta_{23}$ mixing observed at 295 km by T2K appears to be non-maximal at longer baselines. As shown…

High Energy Physics - Phenomenology · Physics 2017-12-06 João A. B. Coelho , W. Anthony Mann
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