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Related papers: Neutron production in (alpha, n) reactions

200 papers

This article describes the Monte Carlo simulation used to interpret the measurement of the muon-induced neutron flux in the Boulby Underground Laboratory (North Yorkshire, UK), recently performed using a large scintillator veto deployed…

High Energy Physics - Experiment · Physics 2011-05-23 A. Lindote , H. M. Araujo , V. A. Kudryavtsev , M. Robinson

A natural neutron flux is one of significant kind of background in high-sensitive underground experiments. Therefore, when scheduling a delicate underground measurements one needs to measure neutron background. Deep underground the most…

Nuclear Experiment · Physics 2007-05-23 J. N. Abdurashitov , V. N. Gavrin , V. L. Matushko , A. A. Shikhin , V. E. Yants , J. Peltoniemi , T. Keranen

Astrophysical neutrinos can be produced in proton interactions of charged cosmic rays with ambient photon or baryonic fields. Cosmic rays are observed in balloon, satellite and air shower experiments every day, from below 1e9 eV up to…

Astrophysics · Physics 2008-12-18 Julia K. Becker

We study neutral current neutrino-nucleus reaction cross-sections for Mn, Fe, Co and Ni isotopes. An earlier study for a few selected nuclei has shown that in the supernova environment the cross sections are increased for low energy…

Nuclear Theory · Physics 2009-11-10 A. Juodagalvis , K. Langanke , G. Martinez-Pinedo , W. R. Hix , D. J. Dean , J. M. Sampaio

Neutron-induced reactions on unstable isotopes play a key role in the nucleosynthesis $i$--, $r$--, $p$--, $rp$-- and $\nu p$--processes occurring in astrophysical scenarios. While direct cross section measurements are possible for…

Instrumentation and Detectors · Physics 2020-06-24 Moshe Friedman

The fusion dynamics on the formation of superheavy nuclei is investigated thoroughly within the dinuclear system model. The Monte Carlo approach is implemented into the nucleon transfer process for including all possible orientations, at…

Nuclear Theory · Physics 2022-06-28 Fei Niu , Peng-Hui Chen , Zhao-Qing Feng

The multi-particle production at high energy neutrino- nucleon collisions are investigated through the analysis of the data of the experiment CERN-WA-025 at neutrino energy less than 260GeV and the experiments FNAL-616 and FNAL-701 at…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. T. Hussein , N. M. Hassan , W. Elharbi

The energy range of our earlier measured activation cross-sections data of longer-lived products of deuteron induced nuclear reactions on indium were extended from 40 MeV up to 50 MeV. The traditional stacked foil irradiation technique and…

Nuclear Experiment · Physics 2016-03-04 F. Tárkányi , F. Ditrói , S. Takács , A. Hermanne , A. V. Ignatyuk

Fast neutrons from cosmic-ray muons are an important background to underground low energy experiments. The estimate of such background is often hampered by the difficulty of measuring and calculating neutron production with sufficient…

High Energy Physics - Experiment · Physics 2009-11-07 Y-F. Wang , V. Balic , G. Gratta , A. Fasso' , S. Roesler , A. Ferrari

Neutrons from ($\alpha$,n) reactions through thorium and uranium decays are important sources of background for direct dark matter detection. The neutron yields and energy spectra from a range of materials that are used to build dark matter…

Nuclear Experiment · Physics 2009-08-05 D. -M. Mei , C. Zhang , A. Hime

We studied the production of neutron-rich nuclides in multinucleon transfer collisions of stable and radioactive beams in the mass range A=40-60. We first presented our experimental cross section data of projectile fragments from the…

The inclusive K+ mesons production in proton-nucleus collisions in the near threshold and subthreshold energy regimes is analyzed with respect to the one-step (pN->K+YN, Y=Lambda,Sigma) and the two-step (pN->NNpi, NN2pi; piN->K+Y)…

Nuclear Theory · Physics 2009-10-30 S. V. Efremov , E. Ya. Paryev

The production of intense neutron beams via thermonuclear reactions in laser-generated plasmas is investigated theoretically. So far, state-of-the-art neutron beams are produced via laser-induced particle acceleration leading to high-energy…

Plasma Physics · Physics 2020-02-17 Yuanbin Wu

Double-differential cross sections of neutron production at angles from 0 to 110 degrees from many reactions induced by light and medium nuclei on targets from 12-C to 208-Pb, at several incident energies from 95 to 600 MeV/A have been…

We evaluate the cross-section for gamma production by neutrinos through a meson exchange effect which derives from the concept of axial-vector mixing. The resulting cross-section leads to some increase of the gamma production cross-section…

High Energy Physics - Phenomenology · Physics 2021-08-11 Guy Chanfray , Magda Ericson

Astrophysical environments that reach temperatures greater than $\sim$ 100 keV can have significant neutrino energy loss via both plasma processes and nuclear weak interactions. We find that nuclear processes likely produce the…

High Energy Astrophysical Phenomena · Physics 2016-12-07 G. Wendell Misch , George M. Fuller

High center-of-mass electromagnetic~(EM) interactions could produce decaying heavy leptons and hadrons, leading to neutrino generation. These processes might occur in the most extreme astrophysical scenarios, potentially altering the…

High Energy Astrophysical Phenomena · Physics 2025-11-27 Gaetano Di Marco , Rafael Alves Batista , Miguel A. Sánchez-Conde

We present calculations of neutron thermal cross sections, Westcott factors, resonance integrals, Maxwellian-averaged cross sections, astrophysical reaction rates, and solar system $r$-process abundances using the latest data from the major…

Nuclear Theory · Physics 2025-03-26 B. Pritychenko

We will review the production of neutrinos with PeV energies and above. Discussing two possible sources of this radiation: the propagation of ultra high energy cosmic rays and the decay of super heavy dark matter. The discussion will focus…

High Energy Astrophysical Phenomena · Physics 2016-06-22 Roberto Aloisio

Next generation low-background experiments require a detailed understanding of all possible radiation backgrounds. One important radiation source are muon-induced neutrons. Their production processes are up to now not fully understood. New…

Instrumentation and Detectors · Physics 2019-04-04 R. Kneißl , A. Caldwell , Q. Du , A. Empl , C. Gooch , X. Liu , B. Majorovits , M. Palermo , O. Schulz