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The feasibility of performing fast neutron resonance radiography at the PTB accelerator facility is studied. A neutron beam of a broad spectral distribution is produced by a pulsed 13 MeV deuterium beam hitting a thick Be target. The…

Nuclear Experiment · Physics 2007-05-23 V. Dangendorf , G. Laczko , C. Kersten , O. Jagutzki , U. Spillmann

An efficient neutron detection system with good energy resolution is required to correctly characterize decays of neutron-rich nuclei where $\beta-$delayed neutron emission is a dominant decay mode. The Neutron dEtector with Xn Tracking…

Due to their high cost of acquisition and operation, there are still a limited number of high-yield, high-flux neutron source facilities worldwide. In this context, laser-driven neutron sources offer a promising, cheaper alternative to…

In our calculation of neutron star crust heating we include several key new model features. In earlier work electron capture (EC) only allowed neutron emission from the daughter ground-state; here we calculate, in a deformed QRPA model, EC…

Astrophysics · Physics 2008-12-18 Sanjib S. Gupta , Toshihiko Kawano , Peter Möller

Paper I in this series introduced a model in which seed radio bursts produced by a hotspot anchored in the magnetosphere of a highly-magnetic neutron star (NS) are greatly amplified by strong gravitational self-lensing and thus give rise to…

High Energy Astrophysical Phenomena · Physics 2026-03-16 Riccardo La Placa , Simone Dall'Osso , Luigi Stella , Andrea Possenti

The Gamma Factory (GF) project aims to generate high-intensity $\gamma$-ray beams of tunable energy and relatively small energy spread. Such beams can be optimized to generate an intense photo-neutron source, capable of driving an advanced…

Accelerator Physics · Physics 2024-09-20 Hu Baolong , Mieczyslaw Witold Krasny , Wieslaw Placzek , Yun Yuan , Xiaoming Shi , Kaijun Luo , Wen Luo

Following the coalescence of binary neutron stars, debris from the merger which remains marginally bound to the central compact remnant will fallback at late times, feeding a sustained accretion flow. Unbound winds or a wide-angle jet from…

High Energy Astrophysical Phenomena · Physics 2020-04-29 Valentin Decoene , Claire Guépin , Ke Fang , Kumiko Kotera , Brian David Metzger

The FASER experiment studies the neutral decay products from LHC collision of 13.6 TeV centre of mass energy at 480m distant away. There could be Beyond Standard Model (BSM) particles such like dark photons or axion like particles etc..,…

High Energy Physics - Experiment · Physics 2024-10-31 Osamu Sato

A central component of the European Spallation Source is the high-power proton accelerator. The accelerator aims in the future to provide 2 GeV protons to a rotating tungsten target for the production of neutrons at 5 MW of average beam…

Instrumentation and Detectors · Physics 2022-05-24 Douglas D. DiJulio , Mamad Eshraqi , Wolfgang Hees , Yvonne Hinrichsen , Esben Klinkby , Anton Lundmark , Gunter Muhrer , Daniel Noll

Conversion of solar energy with high quantum efficiencies is a key challenge in energy technologies. Excitation energy transfer (EET) mechanisms, such as F\"orster resonance energy transfer (FRET), play a crucial role in facilitating…

Fast neutron-induced nuclear reactions are crucial for advancing our understanding of fundamental nuclear processes, stellar nucleosynthesis, and applications, including reactor safety, medical isotope production, and materials research.…

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 European Spallation Source (ESS), presently under construction in Lund, Sweden, is a multidisciplinary international laboratory that will operate the world's most powerful pulsed neutron source. Supported by a 3M Euro Research and…

The presence of microbunching instabilities due to the compression of high-brightness electron beams at existing and future X-ray free-electron lasers (FELs) results in restrictions on the attainable lasing performance and renders beam…

Accelerator Physics · Physics 2012-03-07 Christopher Behrens , Zhirong Huang , Dao Xiang

We calculate modified Urca neutrino emission rates in the dense nuclear matter in neutron star cores. We find that these rates are strongly enhanced in the beta-stable matter in regions of the core close to the direct Urca process…

High Energy Astrophysical Phenomena · Physics 2018-09-25 P. S. Shternin , M. Baldo , P. Haensel

In this paper we examine an alternative method for determining the neutron multiplication factor keff in fast subcritical reactors, based on the observable obtained by calculating the ratio between the ``fast`` component of the neutron flux…

Instrumentation and Detectors · Physics 2016-04-19 Davide Chersola , Gianni Ricco , Marco Ripani , Paolo Saracco

Cosmic rays scattering with neutrinos produced in supernovae induce a flux of supernova neutrinos boosted to high energies. We calculate the neutrino flux arising from this new mechanism in environments with large cosmic-ray and supernova…

High Energy Physics - Phenomenology · Physics 2025-08-19 Gonzalo Herrera , Shunsaku Horiuchi

We present a new experimental method for measuring the process of Coherent Elastic Neutrino Nucleus Scattering (CENNS). This method uses a detector situated transverse to a high energy neutrino beam production target. This detector would be…