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testmasschargingsimulationofastrodiduetosolarenergeticparticlesat05au
Bao Gang; Liu Lei
2010
Source Publicationsciencechinaphysicsmechanicsastronomy
ISSN1674-7348
Volume53Issue:6Pages:1139
AbstractMaintaining the geodesic motion of the test mass is vital to ASTROD I space mission. However, the electrostatic charging of the test mass due to cosmic rays and solar energetic particles will result in Coulomb and Lorentz forces and consequently influence the test mass motions. To estimate the size of these effects, a credible simulation of test mass charging processes is critically required. Using the GEANT4 software toolkit, we have modeled the charging processes and predict how the ASTROD I test mass will charge positively at a rate of 217370 e+/s, due to solar energetic particles (SEPs) at - 0.5 AU caused by the largest SEPs event on 29, September, 1989. In addition to Monte Carlo uncertainty, an error of ±30% in the net charging rates was added to account for uncertainties in the spectra, physics and geometry models
Language英语
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/31713
Collection中国科学院紫金山天文台
Affiliation中国科学院紫金山天文台
First Author Affilication中国科学院紫金山天文台
Recommended Citation
GB/T 7714
Bao Gang,Liu Lei. testmasschargingsimulationofastrodiduetosolarenergeticparticlesat05au[J]. sciencechinaphysicsmechanicsastronomy,2010,53(6):1139.
APA Bao Gang,&Liu Lei.(2010).testmasschargingsimulationofastrodiduetosolarenergeticparticlesat05au.sciencechinaphysicsmechanicsastronomy,53(6),1139.
MLA Bao Gang,et al."testmasschargingsimulationofastrodiduetosolarenergeticparticlesat05au".sciencechinaphysicsmechanicsastronomy 53.6(2010):1139.
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