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This study presents a population-based evolutionary optimization algorithm (Adaptive Differential Evolution with Diversification Strategies or ADEDS). The algorithm developed using the sinusoidal objective function and subsequently…

Neural and Evolutionary Computing · Computer Science 2023-10-09 Sarit Maitra

We explore the impact of the data from the KamLAND experiment in constraining neutrino mass and mixing angles involved in solar neutrino oscillations. In particular we discuss the precision with which we can determine the the mass squared…

High Energy Physics - Phenomenology · Physics 2009-11-10 Srubabati Goswami , Abhijit Bandyopadhyay , Sandhya Choubey

Dimuon events induced by charm-quark productions from neutrino deep inelastic scattering (DIS) processes have been studied in traditional DIS experiments for decades. The recent progress in neutrino telescopes makes it possible to search…

High Energy Physics - Phenomenology · Physics 2023-01-25 ChuanLe Sun , Fuyudi Zhang , Fan Hu , Donglian Xu , Jun Gao

The data from all solar neutrino experiments presented at the Neutrino 98 conference has been analyzed and a brief summary of the status of the two most popular neutrino solutions of the solar neutrino problem, the MSW mechanism and vacuum…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. I. Krastev

Neutrino oscillations are clear evidence for physics beyond the standard model. The goal of next-generation neutrino oscillation experiments is to find a non-zero $\theta_{13}$, the last mixing matrix element for which we only know an upper…

High Energy Physics - Experiment · Physics 2008-05-19 Teppei Katori

We extend a simple and compact method for calculating the three flavor neutrino oscillation probabilities in uniform matter density to schemes with sterile neutrinos, with favorable features inherited. The only constraint of the extended…

High Energy Physics - Phenomenology · Physics 2020-03-11 Stephen J. Parke , Xining Zhang

The SNO result on charged current deuteron disintegration, the SuperKamiokande 1258-day data on electron scattering, and other solar neutrino results are used to revisit the model of neutrino oscillations driven by a violation of the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Amitava Raychaudhuri , Arunansu Sil

The recent measurement of Delta_{sol} by the KamLAND experiment with very small errors, makes definitive predictions for the energy dependence of the solar neutrino survival probability P_{ee}. We fix Delta_{sol} to be the KamLAND best fit…

High Energy Physics - Phenomenology · Physics 2011-03-31 Bipin Singh Koranga , Mohan Narayan , S. Uma Sankar

We have performed analysis of the solar neutrino data including results from the SNO salt phase as well as the combined analysis of the solar and the KamLAND results. The best fit values of neutrino parameters are Delta m^2 = 7.1e-5 eV^2,…

High Energy Physics - Phenomenology · Physics 2011-05-23 P. C. de Holanda , A. Yu. Smirnov

This paper reviews the results of the LSND and MiniBooNE experiments. The primary goal of each experiment was to effect sensitive searches for neutrino oscillations in the mass region with $\Delta m^2 \sim 1$ eV$^2$. The two experiments are…

High Energy Physics - Experiment · Physics 2015-06-16 Janet M. Conrad , William C. Louis , Michael H. Shaevitz

We discuss to what extent future precision measurements of neutrino mixing observables will influence the information we can draw from a measurement of (or an improved limit on) neutrinoless double beta decay. Whereas the Delta m^2…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Choubey , W. Rodejohann

We find an analytical expression of neutrino evolution operator in the Earth matter using perturbative approach in the context of three neutrino oscillations. We find that our analytical expression is highly accurate by comparing its…

High Energy Physics - Phenomenology · Physics 2020-01-29 Bushra Shafaq , Faisal Akram

The trimaximal mixing scheme (TM$_2$) results in \textit{``magic"} neutrino mass matrix ($M_\nu$) which is known to accommodate neutrino oscillation data. In this paper, we propose a phenomenological ansatz for $M_\nu$ by extending the…

High Energy Physics - Phenomenology · Physics 2023-06-28 Labh Singh , Tapender , Monal Kashav , Surender Verma

We determine the neutrino parameters for MSW and vacuum oscillations (active and sterile neutrinos) that are allowed by the separate, and collective, imposition of the constraints from total event rates in the chlorine, GALLEX, SAGE, and…

High Energy Physics - Phenomenology · Physics 2009-03-02 J. N. Bahcall , P. I. Krastev , A. Yu. Smirnov

Refined calculations of the radial mismatch correction, $\delta_{C2}$, to superallowed $0^+\rightarrow0^+$ nuclear $\beta$ decay are performed using the shell model with realistic Woods-Saxon radial wave functions. Two important…

Nuclear Theory · Physics 2025-08-26 L. Xayavong , N. A. Smirnova , F. Nowacki

Grey wolf optimizer (GWO) is a nature-inspired stochastic meta-heuristic of the swarm intelligence field that mimics the hunting behavior of grey wolves. Differential evolution (DE) is a popular stochastic algorithm of the evolutionary…

We combine two popular optimization approaches to derive learning algorithms for generative models: variational optimization and evolutionary algorithms. The combination is realized for generative models with discrete latents by using…

Machine Learning · Statistics 2022-02-07 Jakob Drefs , Enrico Guiraud , Jörg Lücke

Neutrino oscillations are studied employing sources of low energy monoenergetic neutrinos following electron capture by the nucleus and measuring electron recoils. Since the neutrino energy is very low the oscillation length appearing in…

High Energy Physics - Phenomenology · Physics 2011-01-27 J. D. Vergados , Y. Giomataris , Yu. N. Novikov

Principal Component Analysis (PCA) is a powerful and popular dimensionality reduction technique. However, due to its linear nature, it often fails to capture the complex underlying structure of real-world data. While Kernel PCA (kPCA)…

Machine Learning · Computer Science 2026-02-05 Thomas Uriot , Elise Chung

We discuss physics of the three neutrino flavor transformation with non-unitary mixing matrix, with particular attention to the correlation between the $\nu$SM- and the $\alpha$ parameters which represent effect of unitarity violating (UV)…

High Energy Physics - Phenomenology · Physics 2020-05-20 Ivan Martinez-Soler , Hisakazu Minakata
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