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The relative yields of active and sterile neutrinos in the matter with a high density and different degree of neutronization are calculated. A significant increase in the proportion of sterile neutrinos produced in superdense matter when…

High Energy Physics - Phenomenology · Physics 2015-07-15 V. V. Khruschov , A. V. Yudin , D. K. Nadyozhin , S. V. Fomichev

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. The existing agreement between calculated muon fluxes…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Fiorentini , V. A. Naumov , F. L. Villante

Temperature and kinematic line broadening are the primary contributions to the width of the proton energy spectrum measured in cluster-impact fusion experiments. By ascertaining these two contributions, we have determined an effective…

Nuclear Theory · Physics 2009-11-10 Y. E. Kim , J. -H. Yoon , R. A. Rice , M. Rabinowitz

Recent progress in the development of novel organic scintillators necessitates modern characterization capabilities. As the primary means of energy deposition by neutrons in these materials is n-p elastic scattering, knowledge of the proton…

Instrumentation and Detectors · Physics 2020-10-06 J. A. Brown , B. L. Goldblum , T. A. Laplace , K. P. Harrig , L. A. Bernstein , D. L. Bleuel , W. Younes , D. Reyna , E. Brubaker , P. Marleau

A hybrid model is used to describe the energy loss of very high-energy taus and muons in matter due to inelastic scattering on nuclei. The model involves soft and semihard photonuclear interactions as well as the deep inelastic scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Kochanov , K. S. Lokhtin , S. I. Sinegovsky

The spallation-neutron yield was studied experimentally by bombarding a thick lead target with 400 MeV/u carbon beam. The data were obtained with the activation analysis method using foils of Au, Mn, Al, Fe and In. The yields of produced…

For the development of liquid argon dark matter detectors we assembled a setup in the laboratory to scatter neutrons on a small liquid argon target. The neutrons are produced mono-energetically (E_kin=2.45 MeV) by nuclear fusion in a…

Instrumentation and Methods for Astrophysics · Physics 2013-03-12 C. Regenfus , Y. Allkofer , C. Amsler , W. Creus , A. Ferella , J. Rochet , M. Walter

Neutrons can induce background events in underground experiments looking for rare processes. Neutrons in a MeV range in deep underground laboratories are produced in spontaneous fission processes and ($\alpha,n$) reactions. A number of…

Nuclear Experiment · Physics 2022-12-05 Vitaly A. Kudryavtsev , Piotr Krawczun , Rayna Bocheva

The neutron yield in $^{12}$C(d,n)$^{13}$N and the proton yield in $^{12}C(d,p)^{13}$C have been measured by deuteron beam from 0.6 MeV to 3 MeV which is delivered from a 4-MeV electro static accelerator bombarding on the thick carbon…

Nuclear Experiment · Physics 2020-02-17 W. J. Li , Y. G. Ma , G. Q. Zhang , X. G. Deng , M. R. Huang , A. Bonasera , D. Q. Fang , J. Q. Cao , Q. Deng , Y. Q. Wang , Q. T. Lei

We present a set of numerical-relativity binary neutron star merger simulations incorporating muons and muonic reactions for two baseline baryonic equations-of-state. In order to investigate the possible impact of muons and muonic weak…

High Energy Astrophysical Phenomena · Physics 2026-04-24 Henrique Gieg , Ramon Jaeger , Maximiliano Ujevic , Tim Dietrich

Understanding the radiogenic neutron production rate through the (${\alpha}$, n) reaction is crucial in many areas of physics, including dark matter searches, neutrino studies, and nuclear astrophysics. In addition to its relevance for…

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

We calculate the yield of high energy neutrinos produced in astrophysical sources for arbitrary interaction depths $\tau_0$ and magnetic field strengths $B$. We take into account energy loss processes like synchrotron radiation and…

Astrophysics · Physics 2008-11-26 M. Kachelriess , S. Ostapchenko , R. Tomas

The ICAL at INO is designed to mainly observe the muons produced in the charged current interactions of atmospheric muon neutrinos and anti-neutrinos. The track of the muon is reconstructed using the hits they produce in the detector. From…

Instrumentation and Detectors · Physics 2020-08-26 Mohammad Nizam , S. Uma Sankar

A phenomenological approach for neutron production in fast muon interactions has been considered. Linear approximation for photonuclear production mechanism at shallow depth has been deduced. Present calculations were compared with…

Computational Physics · Physics 2019-11-11 B. Pritychenko

The production of positive pions and neutrons by cosmic muons at underground sites of various depths is investigated. We first test the equivalent photon method in the particular case of $\Delta$ excitation by the muon. We find that this…

High Energy Physics - Phenomenology · Physics 2009-09-25 Jean Delorme , Magda Ericson , Torleif Ericson

Radioactive isotopes produced through cosmic muon spallation are a background for rare-event detection in $\nu$ detectors, double-$\beta$-decay experiments, and dark-matter searches. Understanding the nature of cosmogenic backgrounds is…

High Energy Physics - Experiment · Physics 2015-03-13 The KamLAND Collaboration

The China Jinping underground Laboratory (CJPL) is an excellent location for studying solar, terrestrial, and supernova neutrinos due to its 2400-meter vertical rock overburden. Its unparalleled depth gives an opportunity to investigate the…

We calculate contained and upward muon flux and contained shower event rates from neutrino interactions, when neutrinos are produced from annihilation of the dark matter in the Galactic Center. We consider model-independent direct neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-20 Arif Emre Erkoca , Graciela Gelmini , Mary Hall Reno , Ina Sarcevic

The A dependence of the production of hadrons in inelastic muon scattering and of the production of dimuons in high $Q^2$ proton interactions are simply related. Feynman x distributions and z scaling distributions in nuclei are compared…

High Energy Physics - Phenomenology · Physics 2009-10-28 S. Frankel , W. Frati