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We investigate the effect on neutrino oscillations generated by beyond-the-standard-model interactions between neutrinos and matter. Specifically, we focus on scalar-mediated non-standard interactions (NSI) whose impact fundamentally…

High Energy Physics - Phenomenology · Physics 2024-01-05 Bhaskar Dutta , Sumit Ghosh , Kevin J. Kelly , Tianjun Li , Adrian Thompson , Ankur Verma

It is well-known that in addition to the standard LMA solution to solar anomaly, there is another solution called LMA-Dark which requires Non-Standard Interactions (NSI) with effective couplings as large as the Fermi coupling. Although this…

High Energy Physics - Phenomenology · Physics 2015-08-26 Yasaman Farzan

The increasingly precise neutrino experiments raise the hope for searching for new physics through studying the impact of Neutral Current (NC) Non-Standard Interactions (NSI) of neutrinos with matter fields. Neutrino oscillation experiments…

High Energy Physics - Phenomenology · Physics 2024-10-22 Saeed Abbaslu , Mehran Dehpour , Yasaman Farzan , Sahar Safari

We quantify our present knowledge of the size and flavor structure of non-standard neutrino interactions which affect the matter background in the evolution of solar, atmospheric, reactor and long-baseline accelerator neutrinos as…

High Energy Physics - Phenomenology · Physics 2020-10-05 Ivan Esteban , M. C. Gonzalez-Garcia , Michele Maltoni , Ivan Martinez-Soler , Jordi Salvado

The discovery of neutrino oscillations implies that neutrinos are massive and mixed, necessitating an extension of the Standard Model, which may require the introduction of non-standard neutrino interactions (NSI). We investigate the…

High Energy Physics - Phenomenology · Physics 2023-08-16 Sudip Jana , Sophie Klett

The formalism of non-standard four-fermion interactions provides a convenient, model-independent way of parameterizing a wide class of ``new physics'' scenarios. In this article, we study the performance of reactor and superbeam neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 Joachim Kopp , Manfred Lindner , Toshihiko Ota , Joe Sato

We show the prospects of probing neutral-current non-standard interaction (NSI) in the propagation of atmospheric neutrinos in future large-volume neutrino experiments including DUNE, HK, KNO, and ORCA. For DUNE, we utilize its ability of…

High Energy Physics - Phenomenology · Physics 2023-01-04 Pouya Bakhti , Meshkat Rajaee , Seodong Shin

It was shown that the tension between the mass-squared differences obtained from solar neutrinos and those acquired through KamLAND experiments may be solved by the introduction of a non-standard flavor-dependent interaction (NSI) in…

High Energy Physics - Phenomenology · Physics 2020-03-04 Monojit Ghosh , Osamu Yasuda

We construct UV-complete models for non-standard neutrino interactions mediated by a sub-GeV gauge boson Z' coupled to baryon number $B$ or $B-L$. A flavor-dependent Z' coupling to neutrinos is induced by mixing a U(1)'-charged Dirac…

High Energy Physics - Phenomenology · Physics 2016-09-22 Yasaman Farzan , Julian Heeck

The limitations of the Standard Model in explaining neutrino masses and neutrino mixing lead to the exploration of frameworks beyond the Standard Model (BSM). The possibility of neutrinos interacting with fermions via a scalar mediator is…

High Energy Physics - Phenomenology · Physics 2024-12-31 Moon Moon Devi , Dharitree Bezboruah , Abinash Medhi , Arnab Sarker , Debajyoti Dutta

In this article we consider the presence of neutrino non-standard interactions (NSI) in the production and detection processes of reactor antineutrinos at the Daya Bay experiment. We report for the first time, the new constraints on the…

High Energy Physics - Phenomenology · Physics 2015-07-14 Sanjib Kumar Agarwalla , Partha Bagchi , David V. Forero , Mariam Tortola

The scalar nonstandard interactions (NSI) can also introduce matter effect for neutrino oscillation in a medium. Especially the recent Borexino data prefers nonzero scalar NSI, $\eta_{ee} = - 0.16$. In contrast to the conventional vector…

High Energy Physics - Phenomenology · Physics 2019-06-25 Shao-Feng Ge , Stephen J. Parke

Many geophysical and geochemical phenomena in the Earth's interior are related to physical and chemical processes in the outer core and the core-mantle boundary, which are directly linked to the isotopic composition. Determining the…

High Energy Physics - Phenomenology · Physics 2025-12-03 Juan Carlos D'Olivo , José Arnulfo Herrera Lara , Ismael Romero , Matias Reynoso , Oscar A. Sampayo

Most neutrino mass extensions of the standard electroweak model entail non-standard interactions which, in the low energy limit, can be parametrized in term of effective four-fermion operators $\nu_\alpha \nu_\beta \bar f f $. Typically of…

High Energy Physics - Phenomenology · Physics 2010-04-15 A. Bolaños , O. G. Miranda , A. Palazzo , M. A. Tórtola , J. W. F. Valle

Neutrino nonstandard interactions (NSI) were investigated earlier in the solar case and were shown to reduce the tensions between the data and the large mixing angle solution predictions. We extend the previous framework to the supernova…

High Energy Physics - Phenomenology · Physics 2013-05-29 C. R. Das , Joao Pulido

Nonstandard interactions (NSI) of neutrinos with matter can significantly alter neutrino flavor evolution in supernovae with the potential to impact explosion dynamics, nucleosynthesis, and the neutrinos signal. In this paper, we explore,…

High Energy Physics - Phenomenology · Physics 2016-12-07 Charles J. Stapleford , Daavid J. Väänänen , James P. Kneller , Gail C. McLaughlin , Brandon T. Shapiro

Non-Standard neutrino Interactions (NSI) are vector contact interactions involving two neutrinos and two first generation fermions, which can affect neutrino propagation in matter. SU(2) gauge invariance suggests that NSI should be…

High Energy Physics - Phenomenology · Physics 2020-02-24 Sacha Davidson , Martin Gorbahn

Models of radiative Majorana neutrino masses require new scalars and/or fermions to induce lepton number violating interactions. We show that these new particles also generate observable neutrino nonstandard interactions (NSI) with matter.…

High Energy Physics - Phenomenology · Physics 2020-03-06 K. S. Babu , P. S. Bhupal Dev , Sudip Jana , Anil Thapa

In this article we unravel the role of matter effect in neutrino oscillation in the presence of lepton-flavor-conserving, non-universal non-standard interactions (NSI's) of the neutrino. Employing the Jacobi method, we derive approximate…

High Energy Physics - Phenomenology · Physics 2015-10-13 Sanjib Kumar Agarwalla , Yee Kao , Debashis Saha , Tatsu Takeuchi