English
Related papers

Related papers: Degeneracy between $\theta_{23}$ octant and neutri…

200 papers

We present a new analysis of non-universal and flavor changing non-standard neutrino interactions (NSI) in \nu_e e or \bar{\nu}_e e scattering. Our global analysis of these process includes all relevant experiments, such as the most recent…

High Energy Physics - Phenomenology · Physics 2009-09-17 J. Barranco , O. G. Miranda , C. A. Moura , J. W. F. Valle

This research continues to focus on the idea using cyclotronic antineutrino source for purposes of neutrino physics. Long baseline experiments suffer from degeneracies and correlations between $\Theta_{23}$, $\delta_{\rm CP}$ and the mass…

High Energy Physics - Phenomenology · Physics 2019-03-19 M. V. Smirnov , Zh. J. Hu , S. J. Li , J. J. Ling

We present a quantitative demonstration that, without additional theoretical and experimental efforts, realistic variations in final-state-interaction (FSI) modeling may alter reconstructed neutrino-energy spectra at next-generation…

High Energy Physics - Experiment · Physics 2026-04-21 Yinrui Liu , Laura Munteanu , Stephen Dolan

We systematically assess the DUNE experiment's ability to distinguish between various beyond-standard neutrino oscillation hypotheses pair combinations. For a pair comparison, we evaluate the statistical separation, where one hypothesis…

High Energy Physics - Phenomenology · Physics 2025-03-19 A. Calatayud-Cadenillas , A. Pérez-G , A. M. Gago

Results from the experiments like LSND, and MiniBooNE hint towards the possible presence of an extra eV scale sterile neutrino. The addition of such a neutrino will significantly impact the standard three flavour neutrino oscillations; in…

High Energy Physics - Phenomenology · Physics 2023-10-18 Animesh Chatterjee , Srubabati Goswami , Supriya Pan

The recent data indicate that the neutrino mixing angle $\theta_{23}$ deviates from the maximal-mixing value of 45$^\circ$, showing two nearly degenerate solutions, one in the lower octant (LO) ($\theta_{23}<45^\circ$) and one in the higher…

High Energy Physics - Phenomenology · Physics 2018-03-02 C. R. Das , Jukka Maalampi , João Pulido , Sampsa Vihonen

We discuss various physics aspects of neutrino oscillation with non-standard interactions (NSI). We formulate a perturbative framework by taking \Delta m^2_{21} / \Delta m^2_{31}, s_{13}, and the NSI elements \epsilon_{\alpha \beta}…

High Energy Physics - Phenomenology · Physics 2009-03-27 Takashi Kikuchi , Hisakazu Minakata , Shoichi Uchinami

We consider the $\nu_\mu \to \nu_{\tau}$ appearance channel in the future Deep Underground Neutrino Experiment (DUNE) which offers a good statistics of the $\nu_{\tau}$ sample. In order to measure its impact on constraining the oscillation…

High Energy Physics - Phenomenology · Physics 2019-12-18 Anish Ghoshal , Alessio Giarnetti , Davide Meloni

A new neutrino-matter interaction can potentially affect neutrino propagation through matter. In this work, we explore the impact of a flavor-conserving scalar-mediated non-standard neutrino interaction in the supernova neutrino flux. We…

High Energy Physics - Phenomenology · Physics 2026-02-24 Sudipta Das , Mary Hall Reno

We present a detailed analysis on nonstandard neutrino interactions (NSI) with electrons including all muon and electron (anti)-neutrino data from existing accelerators and reactors, in conjunction with the ``neutrino counting'' data (e- e+…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Barranco , O. G. Miranda , C. A. Moura , J. W. F. Valle

Neutrino experiments, in the next years, aim to determine with precision all the six parameters of the three-neutrino standard paradigm. The complete success of the experimental program is, nevertheless, attached to the non-existence (or at…

High Energy Physics - Phenomenology · Physics 2024-03-06 Adriano Cherchiglia , Jose Santiago

In this work, we investigate the impact of neutrino decay in the presence of Non-Standard Interactions (NSI) along with the effects of the Majorana phase on neutrino decay in matter in the context of two-flavor neutrino oscillations. These…

High Energy Physics - Phenomenology · Physics 2024-07-25 Ashutosh Kumar Alok , Neetu Raj Singh Chundawat , Arindam Mandal , Bhavya Soni

We frame beta-minus decay rate perturbations in the context of charged-current (CC) nonstandard neutrino interactions (NSI). In particular, we first outline one NSI parameterization for modeling the CC NSI. Then, we demonstrate that the…

High Energy Physics - Phenomenology · Physics 2020-07-16 Andrew D. Santos

Neutrino non-standard interactions (NSI) can be constrained using coherent elastic neutrino-nucleus scattering. We discuss here two aspects in this respect, namely the effects of (i) charged current NSI in neutrino production and (ii)…

High Energy Physics - Phenomenology · Physics 2021-07-19 Amir N. Khan , Douglas W. McKay , Werner Rodejohann

We examine the capabilities of the DUNE experiment as a probe of the neutrino mixing paradigm. Taking the current status of neutrino oscillations and the design specifications of DUNE, we determine the experiment's potential to probe the…

High Energy Physics - Phenomenology · Physics 2018-05-23 Rahul Srivastava , Christoph A. Ternes , Mariam Tórtola , José W. F. Valle

In this work, we explore the influence of off-diagonal non-standard interaction (NSI) parameters on quantum entanglement within the three-flavor neutrino oscillation framework. By expressing three key entanglement measures: Entanglement of…

High Energy Physics - Phenomenology · Physics 2026-04-10 Lekhashri Konwar , Papia Panda , Rukmani Mohanta

If the lepton mixing angle theta_{23} is not maximal, there arises a problem of ambiguity in determining theta_{23} due to the existence of two degenerate solutions, one in the first and the other in the second octant. We discuss an…

The full physics potential of the next-generation Deep Underground Neutrino Experiment (DUNE) is still being explored. In particular, there have been some recent studies on the possibility of improving DUNE's neutrino energy reconstruction.…

High Energy Physics - Phenomenology · Physics 2021-09-13 Sabya Sachi Chatterjee , P. S. Bhupal Dev , Pedro A. N. Machado

We study the consequences of invisible decay of neutrinos in the context of the DUNE experiment. We assume that the third mass eigenstate is unstable and decays to a light sterile neutrino and a scalar or a pseudo-scalar. We consider DUNE…

High Energy Physics - Phenomenology · Physics 2018-02-16 Sandhya Choubey , Srubabati Goswami , Dipyaman Pramanik

In presence of non-standard neutrino interactions the neutrino flavor evolution equation is affected by a degeneracy which leads to the so-called LMA-Dark solution. It requires a solar mixing angle in the second octant and implies an…

High Energy Physics - Phenomenology · Physics 2017-05-24 Pilar Coloma , Peter B. Denton , M. C. Gonzalez-Garcia , Michele Maltoni , Thomas Schwetz