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Related papers: Low energy neutron propagation in MCNPX and GEANT4

200 papers

I calculate the rate of electromagnetic scattering in degenerate and partially degenerate plasmas composed of electrons, muons, protons, and neutrons. Correlations with strong interactions, induced by the polarizability of…

Nuclear Theory · Physics 2019-03-01 Stephan Stetina

The transport of low-energy electrons through the coating of a radiosensitizing metallic nanoparticle under fast ion irradiation is analyzed theoretically and numerically. As a case study, we consider a poly(ethylene glycol)-coated gold…

Atomic and Molecular Clusters · Physics 2018-06-26 Kaspar Haume , Pablo de Vera , Alexey Verkhovtsev , Eugene Surdutovich , Nigel J. Mason , Andrey V. Solov'yov

We apply the low-energy theorems to analyze the recent lattice QCD results for the two-nucleon system at a pion mass of $M_\pi\simeq 450$ MeV obtained by the NPLQCD collaboration. We find that the binding energies of the deuteron and…

Nuclear Theory · Physics 2016-07-20 V. Baru , E. Epelbaum , A. A. Filin

Neutron Compton scattering measurements have the potential to provide direct information about atomic momentum distributions and adiabatic energy surfaces in condensed matter. First applied to measuring the condensate fraction in superfluid…

Condensed Matter · Physics 2007-05-23 Greg Watson

A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with…

Instrumentation and Detectors · Physics 2014-09-19 Xu Haibo , Zheng Na

Possibilities of discriminating neutrons and gamma rays in the AGATA gamma-ray tracking spectrometer have been investigated with the aim of reducing the background due to inelastic scattering of neutrons in the high-purity germanium…

Nuclear Experiment · Physics 2009-09-09 A. Ataç , A. Kaşkaş , S. Akkoyun , M. Şenyiğit , T. Hüyük , S. O. Kara , J. Nyberg

We present a generic theoretical model for the structuring of a relativistic jet propagating through the ejecta of a binary neutron star merger event, introducing the effects of the neutron conversion-diffusion, which provides a baryon flux…

High Energy Astrophysical Phenomena · Physics 2021-03-17 Edwan Préau , Kunihito Ioka , Peter Mészáros

The Landau parameters obtained from the matrix elements of an effective interaction recently derived within the formalism of correlated basis functions have been used to carry out a study of the weak response of neutron matter in the region…

Nuclear Theory · Physics 2015-06-11 Omar Benhar , Andrea Cipollone , Andrea Loreti

A research and development (R&D) project related to the extension of the Geant4 toolkit has been recently launched to address fundamental methods in radiation transport simulation. The project focuses on simulation at different scales in…

We theoretically study the quantum scattering and transport of electrons with Mexican-hat dispersion through both step and rectangular potential barriers by using the transfer matrix method. Owing to the torus-like iso-energy lines of the…

Mesoscale and Nanoscale Physics · Physics 2024-03-15 Jiating Yao , Benliang Zhou , Xiaoying Zhou , Xianbo Xiao , Guanghui Zhou

Neutrons can induce background events in underground experiments looking for rare processes. Neutrons in a MeV range are produced in radioactive decays via spontaneous fission and (alpha, n) reactions, and by cosmic rays. Neutron fluxes…

Instrumentation and Detectors · Physics 2020-06-24 V. A. Kudryavtsev , P. Zakhary , B. Easeman

We review the nuclear and condensed matter physics underlying the thermal and transport properties of the neutron star inner crust. These properties play a key role in interpreting transient phenomena such as thermal relaxation in accreting…

Nuclear Theory · Physics 2012-01-27 Dany Page , Sanjay Reddy

The Neutrino Experiment with a Xenon TPC (NEXT) is intended to investigate the neutrinoless double beta decay of 136Xe, which requires a severe suppression of potential backgrounds. An extensive screening and material selection process is…

We present a new one-dimensional calculation of low and intermediate energy atmospheric muon and neutrino fluxes, using up-to-date data on primary cosmic rays and hadronic interactions. We study several sources of uncertainties relevant to…

High Energy Physics - Phenomenology · Physics 2011-05-05 G. Fiorentini , V. A. Naumov , F. L. Villante

We construct a spectral representation of neutrino propagator in moving matter or in external magnetic field. In both cases there exists fixed four-dimensional axis of polarization, such that the corresponding spin projectors commute with…

High Energy Physics - Phenomenology · Physics 2019-03-27 A. E. Kaloshin , D. M. Voronin

If muon neutrinos produced in cosmological sources oscillate, neutrino telescopes can have a chance to detect tau-neutrinos. In contrast to muon neutrinos the Earth is completely transparent for tau neutrinos thanks to the short life time…

High Energy Physics - Phenomenology · Physics 2014-11-17 Edgar Bugaev , Teresa Montaruli , Yuri Shlepin , Igor Sokalski

Neutron production induced by ($\alpha$,n) reactions is important in various scenarios. One of the most relevant ones is related to underground dark matter experiments, where the neutrons produced by the $\alpha$-decay from radioactive…

High Energy Physics - Phenomenology · Physics 2020-02-21 E. Mendoza , D. Cano-Ott , P. Romojaro , V. Alcayne , P. García Abia , V. Pesudo , L. Romero , R. Santorelli

Matter and pressure distribution in hadrons are studied in a dual analytic model of generalized parton distributions with complex Regge trajectories. An original parametrization for pressure distribution in the nucleon is proposed ensuring…

High Energy Physics - Phenomenology · Physics 2021-12-17 Roberto Fiore , Laszlo Jenkovszky , Maryna Oleksiienko

A simple and self-consistent approach has been proposed for simulation of the proton-induced soft error rate based on the heavy ion induced single event upset cross-section data and vice versa. The approach relies on the GEANT4 assisted…

Instrumentation and Detectors · Physics 2017-10-16 Artur M. Galimov , Regina M. Galimova , Gennady I. Zebrev

Neutrino flow is the dominant mechanism of energy transfer in the latest stages of supernovae explosions and in compact stars. The Standard Model of particle physics and accelerator data, provide a satisfactory description of neutrino…

Solar and Stellar Astrophysics · Physics 2012-12-27 Andrea Cipollone