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Single pencil beam benchmark of a module for Monte Carlo simulation of proton transport in the PENELOPE code
2020
Medical Physics (Lancaster)
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PENH is a recently coded module for simulation of proton transport in conjunction with the Monte Carlo code PENELOPE. ...
Monte Carlo simulations with PENH are compared with simulation results from TOPAS Monte Carlo (v3.1p2) and RayStation Monte Carlo (v6). ...
transport in conjunction with the Monte Carlo code PENELOPE. ...
doi:10.1002/mp.14598
pmid:33217026
fatcat:ahlnimptyjd7nhdidplpq73b5i
Monte Carlo domain decomposition for robust nuclear reactor analysis
2014
Parallel Computing
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The present work explores the use of spatial domain decomposition to make full-scale nuclear reactor simulations tractable with Monte Carlo methods, presenting a simple implementation in a production-scale ...
Monte Carlo (MC) neutral particle transport codes are considered the gold-standard for nuclear simulations, but they cannot be robustly applied to high-fidelity nuclear reactor analysis without accommodating ...
Acknowledgments This work was sponsored by the DOE's Center for Exascale Simulation of Advanced Reactors (CESAR), and used resources of the Argonne Leadership Computing Facility at Argonne National Laboratory ...
doi:10.1016/j.parco.2014.10.001
fatcat:ewnw2xp3wzhgpmppdwkafmxrea
Exploring versioned distributed arrays for resilience in scientific applications
2016
The international journal of high performance computing applications
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GVR begins with a subset of the Global Arrays interface, and adds new capabilities to create versions, name versions, and compute on version data. ...
We present the Global View Resilience (GVR) system, a library for portable resilience. ...
OpenMC ) is a production Monte Carlo neutron transport simulation code. ...
doi:10.1177/1094342016664796
fatcat:aaipn5vawrg4dhzka4rigj325y
The Sudbury Neutrino Observatory
2016
Nuclear Physics B
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By using heavy water as a detection medium, the SNO experiment demonstrated clearly that solar electron neutrinos from ^8B decay in the solar core change into other active neutrino flavors in transit to ...
This review summarizes the results from three phases of solar neutrino detection as well as other physics results obtained from analyses of the SNO data. ...
included in the Monte Carlo simulation (such as the eccentricity of the Earth's orbit). ...
doi:10.1016/j.nuclphysb.2016.04.035
fatcat:maiwt2gz7baqxpawxgoy6vl53a
Sudbury Neutrino Observatory
2003
AIP Conference Proceedings
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By using heavy water as a detection medium, the SNO experiment demonstrated clearly that solar electron neutrinos from 8 B decay in the solar core change into other active neutrino flavors in transit to ...
This review summarizes the results from three phases of solar neutrino detection as well as other physics results obtained from analyses of the SNO data. ...
included in the Monte Carlo simulation (such as the eccentricity of the Earth's orbit). ...
doi:10.1063/1.1627724
fatcat:2dcel4citbacboqzpgdkvrdz2m
Multi-core performance studies of a Monte Carlo neutron transport code
2013
The international journal of high performance computing applications
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Performance results are presented for a multi-threaded version of the OpenMC Monte Carlo neutronics code using OpenMP in the context of nuclear reactor criticality calculations. ...
Our main focus is distilling a broad range of performance studies into a simple, consistent picture of the performance characteristics of reactor Monte Carlo algorithms on current multi-core architectures ...
The Chimera computer used in this research was funded by NSF Award CNS-0958512.
19 The submitted manuscript has been created by the University of Chicago as Operator of Argonne National Laboratory (" ...
doi:10.1177/1094342013492179
fatcat:b4lrge2ubbhw7kmpljstcjwbj4
Determination of theνeand totalB8solar neutrino fluxes using the Sudbury Neutrino Observatory Phase I data set
2007
Physical Review C
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The Phase I data set is based on a 0.65 kt-year exposure of heavy water to the solar ^8B neutrino flux. ...
This article provides the complete description of results from the Phase I data set of the Sudbury Neutrino Observatory (SNO). ...
Outline of method To generate MSW contours using the data presented in this article, we use a "forward fitting" technique [83] . We make 045502-59 ...
doi:10.1103/physrevc.75.045502
fatcat:r4zarl6bizdctpldzpuljibpye
Monte Carlo methods
2010
Proceedings of the 2010 Workshop on Parallel Programming Patterns - ParaPLoP '10
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The Monte Carlo methods are an important set of algorithms in computer science. ...
This paper presents the Monte Carlo Methods software programming pattern and focuses on the numerical, task, and data perspectives to guide software developers in constructing efficient implementations ...
In this example, the Metropolis Monte Carlo simulation is a Markov Chain Monte Carlo method used to obtain a sequence of random samples from a probability distribution for which direct sampling is very ...
doi:10.1145/1953611.1953626
fatcat:xg5hblfbrrdv7guy6wo5ohoxyu
Measurement of the neutronβ-asymmetry parameterA0with ultracold neutrons
2012
Physical Review C
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From an analysis of data acquired during runs in 2008 and 2009, we report A_0 = -0.11966 ± 0.00089_-0.00140 ^+0.00123, from which we extract a value for the ratio of the weak axial-vector and vector coupling ...
The polarized UCN were then transported through an adiabatic-fast-passage spin-flipper field region, prior to storage in a cylindrical decay volume situated within a 1-T 2 × 2π solenoidal spectrometer. ...
These were incorporated in our Monte Carlo simulation code.
L. ...
doi:10.1103/physrevc.86.055501
fatcat:fzchopsyjzbsbhx5gcdbuwicai
Advanced theory and practice for high performance computing and communications
2011
Concurrency and Computation
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These include Grand Challenges, such as Monte Carlo simulation, computational uid dynamics, and molecular dynamics as well as National Challenges, such a s m ultimedia (Web) information systems, manufacturing ...
From this point of view, this paper can be considered as a summary of results and requirements for \top of the pyramid" software, algorithms, and applications that need to be used in designing and building ...
di erent Monte Carlo paths linked by global reduction operations. ...
doi:10.1002/cpe.1863
fatcat:dxzlqgakunhbpdkabvaktvwbay
Compact radio emission indicates a structured jet was produced by a binary neutron star merger
2019
Science
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2018 pre-print arXiv:1808.00469v1 fatcat:iyl3pnujtrar5msthe6m4yivpiOther Versions
We present very-long-baseline interferometry observations, performed 207.4 days after the merger by using a global network of 32 radio telescopes. ...
Our rate calculations show that at least 10% of neutron star mergers produce such a jet. ...
Scientific results from data presented in this publication are derived from the EVN project codes GG084 (PI G. Ghirlanda), RG009 (PI G. Ghirlanda), EP105 (PI Z. ...
doi:10.1126/science.aau8815
fatcat:bgenrlwclbatbdhaea3hnyro7i
Sea container inspection with tagged neutrons
2021
EPJ Nuclear Sciences & Technologies
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Fast 14 MeV neutrons are produced by a portable generator with the t(d, n)α fusion reaction, and tagged in both direction and time thanks to the alpha particle detection. ...
Neutron inspection of sea-going cargo containers has been widely studied in the past 20 yr to non-intrusively detect terrorist threats, like explosives or Special Nuclear Materials (SNM), and illicit goods ...
spectra) and to validate the simulation method in view of further calculations (in support to data processing). ...
doi:10.1051/epjn/2021004
fatcat:4ykma2awv5g43omisu6ueoqale
Solar Neutrino Observations at the Sudbury Neutrino Observatory
[article]
2002
arXiv
pre-print
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A global analysis of all the available solar neutrino data in terms of matter-enhanced oscillations of two active flavors strongly favors the Large Mixing Angle (LMA) solution. ...
This 5.3σ difference provides strong evidence for ν_e flavor transformation in the solar neutrino sector. ...
The neutrino data presented in This tuned Monte Carlo is then used to make predictions for the energy response to different calibration sources. ...
arXiv:hep-ex/0211013v1
fatcat:ad54nr56hvbepi2k34ybh3kjci
Integral-transport-based deterministic brachytherapy dose calculations
2002
Physics in Medicine and Biology
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MCNP (Monte Carlo N-Particle transport), developed at Los Alamos National Laboratory, is a well-validated and widely used code.[89,90] MCNP can handle neutrons, photons, electrons and positrons. ...
In using Monte Carlo methods to calculate radiation transport, behavior of individual particles is simulated and the mean behavior of all particles is obtained as a result of large numbers of individual ...
doi:10.1088/0031-9155/48/1/306
pmid:12564502
fatcat:knatna4qmjdxpdx4cmi2xnwzmu
Optimized spin assignments of s-wave neutron resonances
2011
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment
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This new method was applied to the γ-multiplicity data obtained for the 147 Sm(n,γ) 148 Sm reaction using the DANCE detector system at the LANSCE facility at Los Alamos National Laboratory. ...
The analyzing power of the upgraded method is supported by combined dicebox and geant4 simulations of the fluctuation properties of the γ multiplicity distributions. ...
Further details of the geant4 simulations of the DANCE detector array can be found in Ref. [17] . ...
doi:10.1016/j.nima.2011.04.026
fatcat:ucfliw67qjhpln6jfcv6eq6zpy
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