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Gamma-ray bursts (GRBs) are proposed as candidate sources of ultra-high energy cosmic rays (UHECRs). We study the possibility that the PeV neutrinos recently observed by IceCube are produced by GRB cosmic rays interacting with the…

High Energy Astrophysical Phenomena · Physics 2015-06-24 Zi-Yi Wang , Xiang-Yu Wang , Jun-Feng Wang

Two types of neutron monitors with fine spatial resolution are proposed based on vibrating wire. In the first type, neutrons interact with the vibrating wire, heat it, and lead to the change of natural frequency, which can be precisely…

Instrumentation and Detectors · Physics 2015-12-09 S. G. Arutunian , J. Bergoz , M. Chung , G. S. Harutyunyan , E. G. Lazareva

In nuclei of starburst galaxies, the combination of an enhanced rate of supernova explosions and a high gas density suggests that cosmic rays can be efficiently produced, and that most of them lose their energy before escaping these…

High Energy Astrophysical Phenomena · Physics 2020-03-26 Enrico Peretti , Pasquale Blasi , Felix Aharonian , Giovanni Morlino , Pierre Cristofari

With the discovery of a high-energy neutrino flux in the 0.1 PeV to PeV range from beyond the Earth's atmosphere with the IceCube detector, neutrino astronomy has achieved a major breakthrough in the exploration of the high-energy universe.…

High Energy Astrophysical Phenomena · Physics 2019-08-13 A. Kappes

Bremsstrahlung photon beams produced by medical linear accelerators are currently the most commonly used method of radiation therapy for cancerous tumors. Photons with energies greater than 8-10 MeV potentially generate neutrons through…

Accelerator Physics · Physics 2013-07-11 Danial Salehi , M. Salehi Jozani , Dariush Sardari

We have estimated the number flux of of mu-neutrinos which are produced due to the hadronic interactions between the cosmic rays coming from a neutron star and the matter in a companion star. The event rate at 1 km^2 detectors of…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Nagataki

The nucleus of M87 displays a LINER spectrum at optical wavelengths, with a nuclear disk of nebulosity that is resolved by the Hubble Space Telescope. We present new results from optical and ultraviolet spectra of the central ~40pc as…

Astrophysics · Physics 2009-11-07 B. M. Sabra , J. C. Shields , L. C. Ho , A. J. Barth , A. V. Filippenko

In this {\it Letter}, we present the result of an axisymmetric CCSN simulation conducted with appropriate treatments of neutrino transport and proper motions of proto-neutron star (PNS), in which a remarkable PNS acceleration is observed in…

High Energy Astrophysical Phenomena · Physics 2019-08-07 Hiroki Nagakura , Kohsuke Sumiyoshi , Shoichi Yamada

Most antineutrinos produced in a nuclear reactor have energies below the inverse beta decay threshold, and have not yet been detected. We show that a coherent elastic neutrino-nucleus scattering experiment with an ultra-low energy threshold…

High Energy Physics - Phenomenology · Physics 2023-08-16 Jiajun Liao , Hongkai Liu , Danny Marfatia

We discuss various aspects of a neutrino physics program that can be carried out with the neutrino Beam-Dump eXperiment DRIFT ($\nu$BDX-DRIFT) detector using neutrino beams produced in next generation neutrino facilities. $\nu$BDX-DRIFT is…

High Energy Physics - Phenomenology · Physics 2021-09-01 D. Aristizabal Sierra , Bhaskar Dutta , Doojin Kim , Daniel Snowden-Ifft , Louis E. Strigari

Neutron capture cross sections of unstable isotopes are important for neutron-induced nucleosynthesis as well as for technological applications. A combination of a radioactive beam facility, an ion storage ring and a high flux reactor would…

The origins of the diffuse flux of cosmogenic PeV neutrinos detected in the IceCube experiment during 2010 - 2017 remain unidentified. A population of extragalactic newly born fast spinning pulsars are investigated as possible candidates…

High Energy Astrophysical Phenomena · Physics 2021-11-09 Rajat K. Dey , Animesh Basak , Sabyasachi Ray , Tamal Sarkar

Thermal X-ray emission from rotation-powered millisecond pulsars, shaped by gravitational lensing and the beaming of the surface radiation, provides critical insights into neutron star properties. This approach has been the focus of…

High Energy Astrophysical Phenomena · Physics 2025-07-31 Tong Zhao , Dimitrios Psaltis , Feryal Ozel

Bubble detectors are widely used to measure neutron flux from laser-driven sources employing a pitcher-catcher setup, due to their insensitivity to intense $\gamma$-ray backgrounds and strong electromagnetic pulses (EMP).\\ This paper…

A thorough search of the sky exposed at the Pierre Auger Cosmic Ray Observatory reveals no statistically significant excess of events in any small solid angle that would be indicative of a flux of neutral particles from a discrete source.…

High Energy Astrophysical Phenomena · Physics 2014-07-03 The Pierre Auger Collaboration

Laser-plasma acceleration produces ultrashort, high-brightness ion beams reaching tens of MeV, yet their large divergence and broad energy spread require dedicated capture elements for beam transport. Using laser-accelerated protons from…

Accelerator Physics · Physics 2026-05-12 Daniel C. E. Dewitt , Oliver Boine-Frankenheim , Abel Blazevic

New measurements and reaction model calculations are reported for single neutron pickup reactions onto a fast \nuc{22}{Mg} secondary beam at 84 MeV per nucleon. Measurements were made on both carbon and beryllium targets, having very…

Aluminum is a crucial material in the nuclear industry, valued for its ability to perform reliably over time. The manuscript focuses on validating aluminum neutron transport libraries. The validation was conducted by activating samples in…

Active galactic nuclei (AGN) are believed to be the source of ultra high energy cosmic rays (UHECRs). Particles are assumed to be accelerated in the accretion disk and the plasma jets, produced due to conservation of angular momentum, to…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Isaac Saba , Julia Becker Tjus , Francis Halzen

The Booster Neutrino Experiment (MiniBooNE) searches for numu-to-nue oscillations using the O(1 GeV) neutrino beam produced by the Booster synchrotron at the Fermi National Accelerator Laboratory (FNAL). The Booster delivers protons with 8…

High Energy Physics - Experiment · Physics 2013-05-29 MiniBooNE Collaboration