Variability of the Solar Neutrino Flux
Variability of the Solar Neutrino Flux
批准号:
0607572
负责人:
Peter Sturrock
金额:
$13.86万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2006
资助国家:
美国
项目状态:
已结题
起止时间:
2006-10-01 至 2010-09-30
中文摘要
题目:太阳中微子通量的变异性在过去的十年中,对太阳中微子数据的分析已经产生了越来越多的变异性的证据。一种情况是,最近由皮斯托罗克及其合作者对镓实验/镓中微子天文台和超级神冈数据的统计重新检查,现在提供了一个令人信服的证明,即太阳中微子通量不是恒定的——相反,它随着模式的变化而变化,这些模式提供了对中微子的潜在本质和太阳深处内部过程的洞察。这项工作的目标是通过对中微子观测的统计分析提供关键的观测输入,供理论界使用,包括两个合作者目前正在开发一个模型,其中电子中微子通过跃迁磁矩与无菌中微子耦合(从而将观测到的通量与时间相关的磁现象联系起来,例如旋转)。这项工作包括功率谱(用于非正态估计)和时频分析。第二个目标是检查通量测量与其他太阳变量之间的关系,包括由太阳和日球层天文台航天器上的迈克尔逊多普勒成像仪日震学实验所做的测量,因为该实验探测的是太阳内部深处,中微子通量调制被认为发生在那里。这项工作的结果及其影响将通过与当地团体和科学探险家俱乐部的外展努力与公众分享。”PI Sturrock还将发展“科学干涉”(一种确定科学性质的方法)的概念,以组织支持和反对太阳中微子变异性的论点/证据,并在适当的期刊文章中解释大学科学教师水平的原理。
英文摘要
AWARD NO: AST-0607572PI: Peter SturrockINSTITUTION: Stanford UniversityTITLE: Variability of the Solar Neutrino FluxOver the last decade, analysis of solar neutrino data has produced increasingly strongevidence for variability. A case is put forth that the recent statistical reexamination of theGallium Experiment/Gallium Neutrino Observatory and Super-Kamiokande data by PISturrock and collaborators now provides a convincing demonstration that the solarneutrino flux is not constant - rather, it varies with patterns that provide insight into theunderlying nature of neutrinos and processes in the deep solar interior. The goal of thiswork is to provide critical observational inputs through statistical analyses of neutrinoobservations for use by the theory community, including two collaborators currentlydeveloping a model in which electron neutrinos couple to a sterile neutrino through atransition magnetic moment (thereby tying the observed flux to time-dependent magneticphenomena, e.g., rotation). Included in this effort is a power-spectrum (for non-normalestimates) and time-frequency analyses. A second goal is to examine the relationshipbetween measurements of the flux and other solar variables including measurementsmade by the Michelson Doppler Imager helioseismology experiment on the Solar andHeliospheric Observatory spacecraft, since this experiment probes the deep solar interior,where neutrino flux modulation is believed to occur.The results of this work and its implications will be shared with the public throughoutreach efforts to local groups and to the Science Explorers Club." The PI Sturrock willalso develop the concepts of scientific interference" (an approach to determining thenature" of science) both to organize arguments/evidence for and against solar neutrinovariability and to explain the principle at the college science teacher level in anappropriate journal article.
期刊论文(0)
专著(0)
科研奖励(0)
会议论文
Solar Neutrino Flux Variability
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批准号:0097128
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项目类别:Continuing Grant
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资助金额:$18.0万
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财政年份:2001
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负责人:Peter Sturrock
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依托单位:
Search for Rotational Modulation of the Solar Neutrino Flux
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批准号:9910215
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项目类别:Standard Grant
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资助金额:$5.0万
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财政年份:1999
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负责人:Peter Sturrock
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依托单位:
Investigation of Regular Patterns in Solar Activity
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批准号:9312424
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项目类别:Standard Grant
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资助金额:$5.0万
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财政年份:1994
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负责人:Peter Sturrock
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依托单位:
Kinetic and Numerical Studies in Solar Plasma Physics
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批准号:8414380
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项目类别:Standard Grant
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资助金额:$10.0万
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财政年份:1984
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负责人:Peter Sturrock
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依托单位:
Workshop on the Study of Energy Release in Flares
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批准号:8016541
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项目类别:Standard Grant
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资助金额:$0.5万
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财政年份:1980
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负责人:Peter Sturrock
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依托单位:
Group Travel For U.S. Participants in Heyrovsky Memorial Congress on Polarography; Prague, Czechoslovakia; August 25-29, 1980
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批准号:8000430
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项目类别:Standard Grant
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资助金额:$0.65万
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财政年份:1980
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负责人:Peter Sturrock
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依托单位:
Travel to Attend: 13th Heyrovsky Discussions; Prague, Czechoslovakia; May 21-25, 1979
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批准号:7908606
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项目类别:Standard Grant
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资助金额:$0.11万
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财政年份:1979
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负责人:Peter Sturrock
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依托单位:
国内基金
海外基金
基于“夸父一号”HXI载荷和Solar Orbiter /STIX的耀斑X射线暴多视角观测及研究
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批准号:12303063
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项目类别:青年科学基金项目
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资助金额:30万元
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批准年份:2023
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负责人:夏凡小雨
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依托单位: