Divergence of the energy-losing rate of charged particles in plasmas
In modeling the charged alpha particle transport in hot-spot plasmas of inertial confinement fusion, the energy-losing rate is a major concern in the Monte Carlo simulations of alpha particle transport of a radiative-hydrodynamic code. However, the traditionally used energy stopping-power only descr...
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creator | Du, Bao Kang, Dongguo Li, Kai Zhang, Wenshuai Zou, Shiyang Deng, Luan Cai, Hongbo Zhu, Shaoping |
description | In modeling the charged alpha particle transport in hot-spot plasmas of inertial confinement fusion, the energy-losing rate is a major concern in the Monte Carlo simulations of alpha particle transport of a radiative-hydrodynamic code. However, the traditionally used energy stopping-power only describes the averaged energy-losing rate of the incident charged particles, whereas the variance of the energy exchange with the background particles is generally ignored. In this paper, the variance of charged particle collisions is studied by both analytical derivation and Monte Carlo simulations. An expression of the divergence of the charged particle energy-losing rate is given for the first time, which can be directly used for practical estimations. It indicates that when the areal density of the target particles along the incident particle path length is low, the divergence of the lost energy would be much larger than the average value, and the traditionally used energy stopping-power would be no longer sufficient to describe the charged particle Coulomb collisions. It helps to obtain a more comprehensive understanding about the charged particle transport in plasmas. |
doi_str_mv | 10.1063/5.0207504 |
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However, the traditionally used energy stopping-power only describes the averaged energy-losing rate of the incident charged particles, whereas the variance of the energy exchange with the background particles is generally ignored. In this paper, the variance of charged particle collisions is studied by both analytical derivation and Monte Carlo simulations. An expression of the divergence of the charged particle energy-losing rate is given for the first time, which can be directly used for practical estimations. It indicates that when the areal density of the target particles along the incident particle path length is low, the divergence of the lost energy would be much larger than the average value, and the traditionally used energy stopping-power would be no longer sufficient to describe the charged particle Coulomb collisions. It helps to obtain a more comprehensive understanding about the charged particle transport in plasmas.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/5.0207504</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Alpha particles ; Alpha rays ; Charged particles ; Coulomb collisions ; Energy ; Inertial confinement fusion ; Monte Carlo simulation ; Particle collisions ; Particle energy ; Plasmas (physics) ; Stopping power</subject><ispartof>Physics of plasmas, 2024-06, Vol.31 (6)</ispartof><rights>Author(s)</rights><rights>2024 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International (CC BY-NC-ND) license (https://creativecommons.org/licenses/by-nc-nd/4.0/).</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c217t-88143bc175cbb797a285259b3b3b31b51bff1999bd4930fda69b5cb494b5ac283</cites><orcidid>0000-0002-4037-1899 ; 0000-0001-5533-5367 ; 0000-0003-3674-4776 ; 0000-0001-7890-1771</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Du, Bao</creatorcontrib><creatorcontrib>Kang, Dongguo</creatorcontrib><creatorcontrib>Li, Kai</creatorcontrib><creatorcontrib>Zhang, Wenshuai</creatorcontrib><creatorcontrib>Zou, Shiyang</creatorcontrib><creatorcontrib>Deng, Luan</creatorcontrib><creatorcontrib>Cai, Hongbo</creatorcontrib><creatorcontrib>Zhu, Shaoping</creatorcontrib><title>Divergence of the energy-losing rate of charged particles in plasmas</title><title>Physics of plasmas</title><description>In modeling the charged alpha particle transport in hot-spot plasmas of inertial confinement fusion, the energy-losing rate is a major concern in the Monte Carlo simulations of alpha particle transport of a radiative-hydrodynamic code. However, the traditionally used energy stopping-power only describes the averaged energy-losing rate of the incident charged particles, whereas the variance of the energy exchange with the background particles is generally ignored. In this paper, the variance of charged particle collisions is studied by both analytical derivation and Monte Carlo simulations. An expression of the divergence of the charged particle energy-losing rate is given for the first time, which can be directly used for practical estimations. It indicates that when the areal density of the target particles along the incident particle path length is low, the divergence of the lost energy would be much larger than the average value, and the traditionally used energy stopping-power would be no longer sufficient to describe the charged particle Coulomb collisions. It helps to obtain a more comprehensive understanding about the charged particle transport in plasmas.</description><subject>Alpha particles</subject><subject>Alpha rays</subject><subject>Charged particles</subject><subject>Coulomb collisions</subject><subject>Energy</subject><subject>Inertial confinement fusion</subject><subject>Monte Carlo simulation</subject><subject>Particle collisions</subject><subject>Particle energy</subject><subject>Plasmas (physics)</subject><subject>Stopping power</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp90EtLAzEQAOAgCtbqwX8Q8KSwdbJ5bY7S1gcUvCh4C0mabVO2u2uSCv33bm3PMocZZj5mYBC6JTAhIOgjn0AJkgM7QyMClSqkkOz8UEsohGBfl-gqpQ0AMMGrEZrNwo-PK986j7sa57XHvh0a-6LpUmhXOJr8N3FrM7Al7k3MwTU-4dDivjFpa9I1uqhNk_zNKY_R5_P8Y_paLN5f3qZPi8KVROaiqgij1hHJnbVSSVNWvOTK0kMQy4mta6KUskumKNRLI5QdKFPMcuPKio7R3XFvH7vvnU9Zb7pdbIeTmoJglAhCy0HdH5WLXUrR17qPYWviXhPQhydprk9PGuzD0SYXssmha__Bv2eOZXE</recordid><startdate>202406</startdate><enddate>202406</enddate><creator>Du, Bao</creator><creator>Kang, Dongguo</creator><creator>Li, Kai</creator><creator>Zhang, Wenshuai</creator><creator>Zou, Shiyang</creator><creator>Deng, Luan</creator><creator>Cai, Hongbo</creator><creator>Zhu, Shaoping</creator><general>American Institute of Physics</general><scope>AJDQP</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4037-1899</orcidid><orcidid>https://orcid.org/0000-0001-5533-5367</orcidid><orcidid>https://orcid.org/0000-0003-3674-4776</orcidid><orcidid>https://orcid.org/0000-0001-7890-1771</orcidid></search><sort><creationdate>202406</creationdate><title>Divergence of the energy-losing rate of charged particles in plasmas</title><author>Du, Bao ; Kang, Dongguo ; Li, Kai ; Zhang, Wenshuai ; Zou, Shiyang ; Deng, Luan ; Cai, Hongbo ; Zhu, Shaoping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c217t-88143bc175cbb797a285259b3b3b31b51bff1999bd4930fda69b5cb494b5ac283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Alpha particles</topic><topic>Alpha rays</topic><topic>Charged particles</topic><topic>Coulomb collisions</topic><topic>Energy</topic><topic>Inertial confinement fusion</topic><topic>Monte Carlo simulation</topic><topic>Particle collisions</topic><topic>Particle energy</topic><topic>Plasmas (physics)</topic><topic>Stopping power</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Bao</creatorcontrib><creatorcontrib>Kang, Dongguo</creatorcontrib><creatorcontrib>Li, Kai</creatorcontrib><creatorcontrib>Zhang, Wenshuai</creatorcontrib><creatorcontrib>Zou, Shiyang</creatorcontrib><creatorcontrib>Deng, Luan</creatorcontrib><creatorcontrib>Cai, Hongbo</creatorcontrib><creatorcontrib>Zhu, Shaoping</creatorcontrib><collection>AIP Open Access Journals</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Bao</au><au>Kang, Dongguo</au><au>Li, Kai</au><au>Zhang, Wenshuai</au><au>Zou, Shiyang</au><au>Deng, Luan</au><au>Cai, Hongbo</au><au>Zhu, Shaoping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Divergence of the energy-losing rate of charged particles in plasmas</atitle><jtitle>Physics of plasmas</jtitle><date>2024-06</date><risdate>2024</risdate><volume>31</volume><issue>6</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>In modeling the charged alpha particle transport in hot-spot plasmas of inertial confinement fusion, the energy-losing rate is a major concern in the Monte Carlo simulations of alpha particle transport of a radiative-hydrodynamic code. However, the traditionally used energy stopping-power only describes the averaged energy-losing rate of the incident charged particles, whereas the variance of the energy exchange with the background particles is generally ignored. In this paper, the variance of charged particle collisions is studied by both analytical derivation and Monte Carlo simulations. An expression of the divergence of the charged particle energy-losing rate is given for the first time, which can be directly used for practical estimations. It indicates that when the areal density of the target particles along the incident particle path length is low, the divergence of the lost energy would be much larger than the average value, and the traditionally used energy stopping-power would be no longer sufficient to describe the charged particle Coulomb collisions. 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subjects | Alpha particles Alpha rays Charged particles Coulomb collisions Energy Inertial confinement fusion Monte Carlo simulation Particle collisions Particle energy Plasmas (physics) Stopping power |
title | Divergence of the energy-losing rate of charged particles in plasmas |
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