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The behavior of nuclear matter is studied at low densities and temperatures using classical molecular dynamics with three different sets of potentials with different compressibility. Nuclear matter is found to arrange in crystalline…

Nuclear Theory · Physics 2013-05-13 C. O. Dorso , P. A. Giménez Molinelli , J. I. Nichols , J. A. López

The pre-patterning of a substrate to create energetically more attractive or repulsive regions allows one to generate a variety of structures in physical vapor deposition experiments. A particular interesting structure is generated if the…

Chemical Physics · Physics 2018-01-16 Oleg Buller , Hong Wang , Wenchong Wang , Lifeng Chi , Andreas Heuer

We identify a new, flux-dependent correction to the antineutrino spectrum as produced in nuclear reactors. The abundance of certain nuclides, whose decay chains produce antineutrinos above the threshold for inverse beta decay, has a…

High Energy Physics - Phenomenology · Physics 2016-03-30 Patrick Huber , Patrick Jaffke

Deep Geothermal Energy, Carbon Capture, and Storage and Hydrogen Storage have significant potential to meet the large-scale needs of the energy sector and reduce the CO$_2$ emissions. However, the injection of fluids into the earth's crust,…

Systems and Control · Electrical Eng. & Systems 2024-11-06 Diego Gutierrez-Oribio , Ioannis Stefanou

In this paper, the application of quantum simulations and quantum machine learning to solve low-energy nuclear physics problems is explored. The use of quantum computing to deal with nuclear physics problems is, in general, in its infancy…

Quantum Physics · Physics 2023-07-17 J. E. García-Ramos , A. Sáiz , J. M. Arias , L. Lamata , P. Pérez-Fernández

The initialization of nuclear spin to its ground state is challenging due to its small energy scale compared with thermal energy, even at cryogenic temperature. In this Letter, we propose an opto-nuclear quadrupolar effect, whereby…

Quantum Physics · Physics 2023-03-02 Haowei Xu , Guoqing Wang , Changhao Li , Hua Wang , Hao Tang , Ariel Rebekah Barr , Paola Cappellaro , Ju Li

Surface neutron counter data are often used as a proxy for atmospheric ionisation from cosmic rays in studies of extraterrestrial effects on climate. Neutron counter instrumentation was developed in the 1950s and relationships between…

Atmospheric and Oceanic Physics · Physics 2007-05-23 K. L. Aplin , R. G. Harrison , A. J. Bennett

Neutron behavior in a nuclear reactor is described using a directed percolation model. The preferred direction is created by generations of neutrons oriented in time. Using the example of the time it takes for a dangerous neutron flux or…

Statistical Mechanics · Physics 2026-05-05 V. V. Ryazanov

Emergency response applications for nuclear or radiological events can be significantly improved via deep feature learning due to the hidden complexity of the data and models involved. In this paper we present a novel methodology for rapid…

Machine Learning · Computer Science 2018-04-02 I. A. Klampanos , A. Davvetas , S. Andronopoulos , C. Pappas , A. Ikonomopoulos , V. Karkaletsis

The stored ultra-cold neutrons have been developed. A high density ultra-cold neutron gas has been recently produced by using the nuclear spallation method. We investigate the thermodynamic properties of the quantum ultra-cold neutron gas…

Quantum Physics · Physics 2012-10-03 Hiromi Kaneko , Akihiro Tohsaki , Atsushi Hosaka

The beams of Linear Collider after main collision can be utilized to build an accelerator--driven sub--critical reactor.

High Energy Physics - Phenomenology · Physics 2007-05-23 I. F. Ginzburg

Anti-neutrino emission rates from nuclear reactors are determined from thermal power measurements and fission rate calculations. The uncertainties in these quantities for commercial power plants and their impact on the calculated…

High Energy Physics - Experiment · Physics 2009-11-13 Z. Djurcic , J. A. Detwiler , A. Piepke , V. R. Foster , L. Miller , G. Gratta

In a series of papers, cited in the main body of the paper below, detailed calculations have been presented which show that electromagnetic and weak interactions can induce low energy nuclear reactions to occur with observable rates for a…

Nuclear Theory · Physics 2008-10-02 Y. N. Srivastava , A. Widom , L. Larsen

For a small system the coupling to a reservoir causes energy shifts as well as transitions between the system's energy levels. We show for a general stationary situation that the energy shifts can essentially be reduced to the relaxation…

Quantum Physics · Physics 2016-09-08 Juergen Audretsch , Rainer Mueller , Markus Holzmann

A formation zone intranuclear cascade model is applied to peripheral nucleus-nucleus collisions. We calculate the excitation energies of prefragments, treat their further nuclear disintegration and introduce a model for nuclear deexcitation…

Nuclear Theory · Physics 2009-10-30 A. Ferrari , J. Ranft , S. Roesler , P. R. Sala

Violent nuclear collisions are open systems which require a non-equilibrium description when the process should be followed from the first instants. The heated system produced in the collision, can no more be treated within an…

Nuclear Theory · Physics 2018-01-24 Paolo Napolitani

Thermal machines perform useful tasks--such as producing work, cooling, or heating--by exchanging energy, and possibly additional conserved quantities such as particles, with reservoirs. Here we consider thermal machines that perform more…

The neutron capture process plays a vital role in creating the heavy elements in the universe. Astrophysical environments involved in these processes are characterized by two distinct reaction mechanisms: the slow and rapid neutron capture…

Nuclear Theory · Physics 2026-05-25 N. Lightfoot , A. Diaz-Torres , P. Stevenson

It has long been suggested that fission cycling may play an important role in the r-process. Fission cycling can only occur in a very neutron rich environment. In traditional calculations of the neutrino driven wind of the core-collapse…

Astrophysics · Physics 2008-11-26 J. Beun , G. C. McLaughlin , R. Surman , W. R. Hix

The transformation of an atomic nucleus into two excited fission fragments is modeled as a strongly damped evolution of the nuclear shape, until scission occurs at a small critical neck radius, at which point the mass, charge, and shape of…

Nuclear Theory · Physics 2018-11-07 M. Albertsson , B. G. Carlsson , T. Døssing , P. Möller , J. Randrup , S. Åberg
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