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This is the final report from the Snowmass 2021 Neutrino Frontier Topical Group on Neutrinos from Natural Sources. It covers a broad range of neutrino sources, from low-energy neutrinos from the early universe to ultra high-energy sources.…

High Energy Physics - Phenomenology · Physics 2022-09-19 Yusuke Koshio , Gabriel D. Orebi Gann , Erin O'Sullivan , Irene Tamborra

Recent reports of possible correlations between high energy neutrinos observed by IceCube and Active Galactic Nuclei (AGN) activity sparked a burst of publications that attempt to predict the neutrino flux of these sources. However, often…

High Energy Astrophysical Phenomena · Physics 2018-04-04 S. Richter , F. Spanier

Constraints on the number and luminosity of the sources of the cosmic neutrinos detected by IceCube have been set by targeted searches for point sources. We set complementary constraints by using the 2MASS Redshift Survey (2MRS) catalogue,…

High Energy Astrophysical Phenomena · Physics 2017-03-08 Philipp Mertsch , Mohamed Rameez , Irene Tamborra

ArchNEMESIS is an open-source Python package developed for the analysis of remote sensing spectroscopic observations of planetary atmospheres. It is based on the widely used NEMESIS radiative transfer and retrieval tool, which has been…

Instrumentation and Methods for Astrophysics · Physics 2025-07-29 Juan Alday , Joseph Penn , Patrick G. J. Irwin , Jonathon P. Mason , Jingxuan Yang

Neural NLP models are increasingly accurate but are imperfect and opaque---they break in counterintuitive ways and leave end users puzzled at their behavior. Model interpretation methods ameliorate this opacity by providing explanations for…

Computation and Language · Computer Science 2019-09-23 Eric Wallace , Jens Tuyls , Junlin Wang , Sanjay Subramanian , Matt Gardner , Sameer Singh

Antineutrinos are electrically neutral, nearly massless fundamental particles produced in large numbers in the cores of nuclear reactors and in nuclear explosions. In the half century since their discovery, major advances in the…

Nuclear Experiment · Physics 2012-03-27 A. Bernstein , G. Baldwin , B. Boyer , M. Goodman , J. Learned , J. Lund , D. Reyna , R. Svoboda

Synthesis tools have seen significant success in recent times. However, past approaches often require a complete and accurate embedding of the source language in the logic of the underlying solver, an approach difficult for industrial-grade…

Programming Languages · Computer Science 2023-04-26 Sankha Narayan Guria , Jeffrey S. Foster , David Van Horn

Nuclear power plants are not only vital sources of clean energy but also powerful facilities for probing new physics beyond the Standard Model. Due to the intense gamma-ray flux and an appropriate energy conditions, they are particularly…

High Energy Physics - Phenomenology · Physics 2025-09-03 Wei Dai , Yuanlin Gong , Guanhua Gu , Liangliang Su , Li Wang , Lei Wu , Yongcheng Wu , Litao Yang

While the radio detection of cosmic rays has advanced to a standard method in astroparticle physics, the radio detection of neutrinos is just about to start its full bloom. The successes of pilot-arrays have to be accompanied by the…

We study the dependence of primordial nuclear abundances on fundamental nuclear observables such as binding energies, scattering lengths, neutron lifetime, \textit{etc.} by varying these quantities. The numerical computations were performed…

Nuclear Theory · Physics 2022-11-23 Ulf-G. Meißner , Bernard Ch. Metsch

A significant number of high power proton beams are available or will go online in the near future. This provides exciting opportunities for new fixed target experiments and the search for new physics in particular. In this note we will…

High Energy Physics - Phenomenology · Physics 2019-05-21 Lucian Harland-Lang , Joerg Jaeckel , Michael Spannowsky

Accurate neutron cross section data are a vital input to the simulation of nuclear systems for a wide range of applications from energy production to national security. The evaluation of experimental data is a key step in producing accurate…

Computational Physics · Physics 2023-12-12 Noah Walton , Jesse Brown , William Fritsch , Dave Brown , Gustavo Nobre , Vladimir Sobes

Deep learning with artificial neural networks is increasingly gaining attention, because of its potential for data-driven astronomy. However, this methodology usually does not provide uncertainties and does not deal with incompleteness and…

Astrophysics of Galaxies · Physics 2019-01-11 Henry W. Leung , Jo Bovy

The online data reduction service reductus transforms measurements in experimental science from laboratory coordinates into physically meaningful quantities with accurate estimation of uncertainties based on instrumental settings and…

Data Analysis, Statistics and Probability · Physics 2018-11-15 Brian Maranville , William Ratcliff , Paul Kienzle

In a recent paper I have introduced a package for the exact simulation of power-law noises and other colored noises (E. Milotti, Comput. Phys. Commun. {\bf 175} (2006) 212): in particular the algorithm generates $1/f^\alpha$ noises with $0…

Computational Physics · Physics 2009-11-13 Edoardo Milotti

We study neutrino masses and mixing in R-parity violating supersymmetric models with generic soft supersymmetry breaking terms. Neutrinos acquire masses from various sources: Tree level neutrino--neutralino mixing and loop effects…

High Energy Physics - Phenomenology · Physics 2009-11-10 Yuval Grossman , Subhendu Rakshit

We propose a hierarchical Bayesian model and state-of-art Monte Carlo sampling method to solve the unfolding problem, i.e., to estimate the spectrum of an unknown neutron source from the data detected by an organic scintillator. Inferring…

Instrumentation and Detectors · Physics 2020-01-08 Haonan Zhu , Yoann Altmann , Angela Di Fulvioand Stephen McLaughlin , Sara Pozzi , Alfred Hero

The Standard Model of particle physics can be extended to include sterile (right-handed) neutrinos or axions to solve the dark matter problem. Depending upon the mixing angle between active and sterile neutrinos, the latter have the…

High Energy Astrophysical Phenomena · Physics 2017-06-28 A. Gewering-Peine , D. Horns , J. H. M. M. Schmitt

The new concept of antineutrino source for future short-baseline experiments is discussed. The source ensures: 1) well defined hard antineutrino flux; 2) the rate of counts more than ~(1E+2 - 1E+3) per day in the detector volume about cubic…

Instrumentation and Detectors · Physics 2022-10-12 V. I. Lyashuk

This release includes data and information necessary to perform independent analyses of the COHERENT result presented in Akimov et al., arXiv:1708.01294 [nucl-ex]. Data is shared in a binned, text-based format, including both "signal" and…