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Estimating a uniform magnetic field B0 and its spatial gradient g on a dipolar-coupled spin chain calls for a multiparameter figure of merit. The GHZ state, optimal for single-parameter Heisenberg-limited sensing, has a rank-one quantum…

Quantum Physics · Physics 2026-05-06 Priyam Srivastava , Xin Jin , Junyu Liu , Gurudev Dutt , Tom Purdy , Kang Kim , Kaushik P. Seshadreesan

In this paper we study three active neutrino oscillations, favored by recent data from SuperK and SNO, using a new parametrization of the lepton mixing matrix $V$ constructed from a linear combination of the unit matrix $I$, and a hermitian…

High Energy Physics - Phenomenology · Physics 2014-11-17 Virendra Gupta , Xiao-Gang He

Differential Evolution (DE) is one of the most successful and powerful evolutionary algorithms for global optimization problem. The most important operator in this algorithm is mutation operator which parents are selected randomly to…

Neural and Evolutionary Computing · Computer Science 2016-09-22 H. Sharifi Noghabi , H. Rajabi Mashhadi , K. Shojaei

We propose a novel approach for change-point detection and parameter learning in multivariate non-stationary time series exhibiting oscillatory behaviour. We approximate the process through a piecewise function defined by a sum of…

Methodology · Statistics 2026-02-02 Nicolas Bianco , Lorenzo Cappello

We study the capability of INO-ICAL to determine the atmospheric neutrino oscillation parameters $|\Delta m^2_{31}|$ and $\sin^2 \theta_{23}$. We do not use any generator level information. Instead, we process the generated atmospheric…

High Energy Physics - Phenomenology · Physics 2022-09-07 Jaydeep Datta , Bana Singh , S. Uma Sankar

We study in detail the sensitivity of neutrino oscillation probabilities to the fundamental neutrino parameters and their possible determination through experiments. The first part of the paper is devoted to the broad theme of isolating…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Indumathi , M. V. N. Murthy , G. Rajasekaran , Nita Sinha

We study the constraints imposed by neutrino oscillation experiments on the minimal extensions of the Standard Model (SM) with $n_R$ gauge singlet fermions ("right-handed neutrinos"), that can account for neutrino masses. We consider the…

High Energy Physics - Phenomenology · Physics 2012-09-18 A. Donini , P. Hernandez , J. Lopez-Pavon , M. Maltoni

Long length vacuum oscillations solution of the solar neutrino problem is discussed. We show that there is a strict correlation between a distortion of the neutrino energy spectrum and an amplitude of seasonal variations of the neutrino…

High Energy Physics - Phenomenology · Physics 2009-10-30 S. P. Mikheyev , A. Yu. Smirnov

We introduce the representation on one unitarity triangle of the constraints resulting (1) from the interpretation of solar and atmospheric neutrino data in terms of oscillations, and (2) from the search for neutrinoless double beta decay.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Francesco Vissani

We formulate a perturbative framework for the flavor transformation of the standard three active neutrinos but with non-unitary flavor mixing matrix, a system which may be relevant for leptonic unitarity test. We use the $\alpha$…

High Energy Physics - Phenomenology · Physics 2020-06-10 Ivan Martinez-Soler , Hisakazu Minakata

We study the optimization of a neutrino factory with respect to non-standard neutral current neutrino interactions, and compare the results to those obtained without non-standard interactions. We discuss the muon energy, baselines, and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Joachim Kopp , Toshihiko Ota , Walter Winter

We construct a Standard Model (SM) extension with $T^\prime\times Z_{10} \times Z_2$ symmetry for generating the expected neutrino mass matrix with the relation $(M_\nu)_{13}=(M_\nu)_{31}=-\frac{1}{2}(M_\nu)_{22}$ via the contributions of…

High Energy Physics - Phenomenology · Physics 2025-10-27 V. V. Vien , T. Phong Nguyen , T. D. Tham

We investigate the muon neutrino event rate in km$^3$ neutrino telescopes due to a number of galactic supernova remnants expected on the basis of these objects' known $\gamma$-ray signals. We evaluate the potential of these neutrino signals…

Astrophysics · Physics 2009-11-06 Roland M. Crocker , Fulvio Melia , Raymond R. Volkas

Solar neutrino experiments have yet to see directly the transition region between matter-enhanced and vacuum oscillations. The transition region is particularly sensitive to models of non-standard neutrino interactions and propagation. We…

High Energy Physics - Phenomenology · Physics 2015-06-16 R. Bonventre , A. LaTorre , J. R. Klein , G. D. Orebi Gann , S. Seibert , O. Wasalski

We use a model, with no CP violation, of the world's neutrino oscillation data, excluding the LSND experiments, and search the full parameter space ($0\leq\theta_{12} \le \pi/2$; $-\pi/2 \le \theta_{13} \le \pi/2$; and 0\leq\theta_{23} \le…

Nuclear Theory · Physics 2007-05-23 D. C. Latimer , D. J. Ernst

We make a global vacuum neutrino oscillation analysis of solar neutrino data, including the seasonal and energy dependence of the recent Super-Kamiokande 708-day results. The best fit parameters for \nu_e oscillations to an active neutrino…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , K. Whisnant

We present a framework for the analysis of data from neutrino oscillation experiments. The framework performs a profile likelihood fit and employs a forward-folding technique to optimize its model with respect to the oscillation parameters.…

Computational Physics · Physics 2025-07-03 Denise Hellwig , Stefan Schoppmann , Philipp Soldin , Achim Stahl , Christopher Wiebusch

We linearize the neutrino mean-field evolution equations describing the neutrino propagation in a background of matter and of neutrinos, using techniques from many-body microscopic approaches. The procedure leads to an eigenvalue equation…

High Energy Physics - Phenomenology · Physics 2015-06-16 D. Väänänen , C. Volpe

Finding the optimal parameter setting (i.e. the optimal population size, the optimal mutation probability, the optimal evolutionary model etc) for an Evolutionary Algorithm (EA) is a difficult task. Instead of evolving only the parameters…

Neural and Evolutionary Computing · Computer Science 2021-09-29 Mihai Oltean , Crina Groşan

We analyze the 1258-day Super-Kamiokande day and night solar neutrino energy spectra with various $\chi^2$ definitions. The best-fit lies in the LMA region at $(\Delta m^2, tan^2 \theta)=(5.01\times 10^{-5} eV^2, 0.60)$, independently of…

High Energy Physics - Phenomenology · Physics 2010-05-28 V. Barger , D. Marfatia , K. Whisnant , B. P. Wood