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A general prescription for the construction of $\pi \pi$ interaction potentials which preserve scattering length constraints from chiral symmetry when iterated in scattering equations is derived. The prescription involves only minor…

Nuclear Theory · Physics 2009-10-28 R. Rapp , J. W. Durso , J. Wambach

We present a model for Lepton Flavor Violating (LFV) neutral current non-standard interactions of neutrinos with matter fields parameterized by $\epsilon_{\alpha \beta}^f$ with $\alpha \ne \beta$. Here, unlike the previous models, the…

High Energy Physics - Phenomenology · Physics 2020-04-29 Yasaman Farzan

Precision measurements of leptonic mixing parameters and the determination of the neutrino mass hierarchy are the primary goals of the forthcoming medium-baseline reactor antineutrino experiments, such as JUNO and RENO-50. In this work, we…

High Energy Physics - Phenomenology · Physics 2014-09-24 Tommy Ohlsson , He Zhang , Shun Zhou

The present paper reports high-accuracy cross-section data for the 2H(n,nnp) reaction in the neutron-proton (np) and neutron-neutron (nn) final-state-interaction (FSI) regions at an incident mean neutron energy of 13.0 MeV. These data were…

The current data of the two long-baseline accelerator experiments NO$\nu$A and T2K, shows a tension at more than 90$\%$ C.L. for 2 degrees of freedom, in the determination of the standard CP-phase $\delta_{\mathrm {CP}}$ in case of neutrino…

High Energy Physics - Phenomenology · Physics 2022-01-26 Sabya Sachi Chatterjee , Antonio Palazzo

We introduce the first oscillation-independent astrophysical method to probe non-standard neutrino interactions (NSI) in core-collapse supernovae. Using a self-consistent treatment of NSI effects in both supernova neutrino emission…

High Energy Physics - Phenomenology · Physics 2025-09-10 Angela R. Beatty , Anna M. Suliga , Volodymyr Takhistov

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

We analyze data from the CsI, liquid Ar and Ge detectors of the COHERENT experiment and confirm within $1.5\sigma$ that the measured elastic neutrino-nucleus scattering cross section is proportional to the square of the number of neutrons…

High Energy Physics - Phenomenology · Physics 2024-09-30 Jiajun Liao , Danny Marfatia , Jiajie Zhang

Multi-dimensional parameter spaces are commonly encountered in physics theories that go beyond the Standard Model. However, they often possess complicated posterior geometries that are expensive to traverse using techniques traditional to…

Machine Learning · Computer Science 2025-02-21 Dorian W. P. Amaral , Shixiao Liang , Juehang Qin , Christopher Tunnell

Determination of neutrino mass ordering and precision measurement of neutrino oscillation parameters are the foremost goals of the JUNO experiment. Here, we explore the effects of scalar non-standard interactions (sNSI) on the electron…

High Energy Physics - Phenomenology · Physics 2025-07-16 Aman Gupta , Debasish Majumdar , Suprabh Prakash

We study the discovery reach for Non-Standard Interactions (NSIs) in a neutrino factory experiment. After giving a theoretical, but model-independent, overview of the most relevant classes of NSIs, we present detailed numerical results for…

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

Neutral current quasielastic (anti)neutrino scattering cross sections on a $^{12}$C target are analyzed using a realistic spectral function $S(p,E)$ that gives a scaling function in accordance with the ($e,e'$) scattering data. The spectral…

We present a contribution of higher order to neutrino-electron scattering that is a charged-current counterpart of both the anomalous axial-vector triangle and possible non-standard interaction contributions. It arises in the standard model…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Kumericki , I. Picek

Neutrino non-standard interactions (NSI), previously introduced for the sun, are studied in the supernova context. For normal hierarchy the probability for electron neutrinos and antineutrinos at low energy ($E\lesssim 0.8-0.9 MeV$) is…

High Energy Physics - Phenomenology · Physics 2013-04-10 C. R. Das , Joao Pulido

We present a global fit of neutral-current elastic (NCE) neutrino-scattering data and parity-violating electron-scattering (PVES) data with the goal of determining the strange quark contribution to the vector and axial form factors of the…

High Energy Physics - Phenomenology · Physics 2024-05-13 S. F. Pate , V. Papavassiliou , J. P. Schaub , D. P. Trujillo , M. V. Ivanov , M. B. Barbaro , C. Giusti

Neutrino non-standard interactions (NSI) with electrons are known to alter the picture of neutrino decoupling from the cosmic plasma. NSI modify both flavour oscillations through matter effects, and the annihilation and scattering between…

High Energy Physics - Phenomenology · Physics 2021-08-17 Pablo F. de Salas , Stefano Gariazzo , Pablo Martínez-Miravé , Sergio Pastor , Mariam Tórtola

In the presence of non-standard neutrino interactions (NSI), a degeneracy exists in neutrino oscillation data, which involves the flipping of the octant of the mixing angle ${\theta_{12}}$ and the type of the neutrino mass ordering. In this…

High Energy Physics - Phenomenology · Physics 2021-05-10 Mariano Esteves Chaves , Thomas Schwetz

We report new calculations of the cross sections for deeply inelastic neutrino-nucleon scattering at neutrino energies between $10^{9}\ev$ and $10^{21}\ev$. We compare with results in the literature and assess the reliability of our…

High Energy Physics - Phenomenology · Physics 2009-05-05 Raj Gandhi , Chris Quigg , Mary Hall Reno , Ina Sarcevic

In this work we present a scenario in which a nonstandard interaction in neutrino propagation can explain the three major tensions in the neutrino oscillation data at present. These tensions are: (i) a non-zero best-fit value of the…

High Energy Physics - Phenomenology · Physics 2016-09-15 Shinya Fukasawa , Monojit Ghosh , Osamu Yasuda

It is by now established that neutrino oscillations occur due to non-zero masses and parameters in the leptonic mixing matrix. The extraction of oscillation parameters may be complicated due to subleading effects such as non-standard…

High Energy Physics - Phenomenology · Physics 2016-08-03 Mehedi Masud , Poonam Mehta