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Related papers: A novel emulator for fission event generators

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Nuclear deexcitation associated with neutrino interactions and nucleon decays has a significant impact on a recent key observable for neutrino detectors: neutron multiplicity. However, most existing neutrino Monte Carlo event generators do…

High Energy Physics - Phenomenology · Physics 2024-02-12 Seisho Abe

Computer models (simulators) are vital tools for investigating physical processes. Despite their utility, the prohibitive run-time of simulators hinders their direct application for uncertainty quantification. Gaussian process emulators…

Computation · Statistics 2024-11-25 Conor Crilly , Oliver Johnson , Alexander Lewis , Jonathan Rougier

Understanding the mechanisms of induced nuclear fission for a broad range of neutron energies could help resolve fundamental science issues, such as the formation of elements in the universe, but could have also a large impact on societal…

Nuclear Theory · Physics 2015-03-26 N. Schunck , D. Duke , H. Carr

Fission fragments from 1 A GeV 238U projectiles irradiating a hydrogen target were investigated by using the fragment separator FRS for magnetic selection of reaction products including ray-tracing and DE-ToF techniques. The momentum…

Understanding how specific components of the nuclear interaction shape observable properties of atomic nuclei remains a central challenge in nuclear structure research. While previous studies have focused on bulk observables such as nuclear…

Theoretical predictions in high energy physics are routinely provided in the form of Monte Carlo generators. Comparisons of predictions from different programs and/or different initialization set-ups are often necessary. MC-TESTER can be…

High Energy Physics - Phenomenology · Physics 2011-01-17 N. Davidson , P. Golonka , T. Przedzinski , Z. Was

Reaction measurements on fission products are being planned at both Argonne National Lab and at the Facility for Rare Isotope Beams. These indirect experiments produce specific short-lived nuclei via beta decay, and the subsequent neutron…

Nuclear Theory · Physics 2023-06-21 Oliver Gorton , Calvin Johnson , Jutta Escher

The dynamics of low-energy induced fission is explored using a consistent microscopic framework that combines the time-dependent generator coordinate method (TDGCM) and time-dependent nuclear density functional theory (TDDFT). While the…

Nuclear Theory · Physics 2022-04-27 Z. X. Ren , J. Zhao , D. Vretenar , T. Niksic , P. W. Zhao , J. Meng

The variances of the fission fragment mass distributions for symmetric fission over a wide range of the fissility of the compound nucleus have been investigated within the frame work of Random Neck Rupture Model (RNRM) proposed by Brosa et.…

Nuclear Theory · Physics 2020-04-20 Yogesh Sawant , S. V. Suryanarayana , B. K. Nayak , A. Saxena , R. K. Choudhury

The number and properties of the neutrons and photons emitted in nuclear fission are directly related to the excitation energy of the fission fragments when they are formed at scission. Though not observable experimentally because of the…

Nuclear Theory · Physics 2025-10-09 Antonio Bjelčić , Nicolas Schunck , Marc Verriere

We present the package for the simulation of DM (Dark Matter) particles in fixed target experiments. The most convenient way of this simulation (and the only possible way in the case of beam-dump) is to simulate it in the framework of the…

High Energy Physics - Phenomenology · Physics 2021-08-18 M. Bondi , A. Celentano , R. R. Dusaev , D. V. Kirpichnikov , M. M. Kirsanov , N. V. Krasnikov , L. Marsicano , D. Shchukin

Quantum simulation of particle phenomena is a rapidly advancing field of research. With the widespread availability of quantum simulators, a given quantum system can be simulated in numerous ways, offering flexibility in implementation and…

Quantum Physics · Physics 2025-08-06 Sandeep Joshi , Garima Rajpoot , Prashant Shukla

Stochastic simulators exhibit intrinsic stochasticity due to unobservable, uncontrollable, or unmodeled input variables, resulting in random outputs even at fixed input conditions. Such simulators are common across various scientific…

Machine Learning · Statistics 2026-04-09 K. Giannoukou , X. Zhu , S. Marelli , B. Sudret

The event-by-event fission model FREYA is extended to spontaneous fission of actinides and a variety of neutron observables are studied for spontaneous fission and fission induced by thermal neutrons with a view towards possible…

Nuclear Theory · Physics 2015-05-30 R. Vogt , J. Randrup

Analyses of multifragmentation in terms of the Fisher droplet model (FDM) and the associated construction of a nuclear phase diagram bring forth the problem of the actual existence of the nuclear vapor phase and the meaning of its…

Nuclear Experiment · Physics 2009-11-11 L. G. Moretto , J. B. Elliott , L. Phair

Computer models are used as a way to explore complex physical systems. Stationary Gaussian process emulators, with their accompanying uncertainty quantification, are popular surrogates for computer models. However, many computer models are…

Methodology · Statistics 2024-11-25 Faezeh Yazdi , Derek Bingham , Daniel Williamson

A new type of radiation detector, a p-type modified electrode germanium diode, is presented. The prototype displays, for the first time, a combination of features (mass, energy threshold and background expectation) required for a…

Nuclear Experiment · Physics 2011-05-12 P. S. Barbeau , J. I. Collar , O. Tench

Realistic nuclear structure calculations are presented for the event rates due to coherent elastic neutrino-nucleus scattering (CE$\nu$NS), assuming neutrinos from pion-decay at-rest, from nuclear reactors and from Earth's interior. We…

Nuclear Theory · Physics 2022-01-10 T. S. Kosmas , V. K. B. Kota , D. K. Papoulias , R. Sahu

The demand for clean energy is ever increasing, with new nuclear technologies presenting a complementary solution to renewable energies. However, designing and operating these systems is exceptionally difficult, given the complexity of the…

Background: Multi-nucleon transfer reactions have recently attracted attention as a possible path to the synthesis of new neutron-rich heavy nuclei. Purpose: We study transfer reactions involving massive nuclei with the intention of…

Nuclear Experiment · Physics 2018-01-25 R. Yanez , W. Loveland
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