The LISA pathfinder radiation monitor

被引:0
|
作者
Wass, P. J. [1 ]
Araujo, H. [1 ]
Boatella, C. [2 ]
Chmeissani, M. [3 ]
Hajdas, W. [4 ]
Lobo, A. [2 ]
Puigdengoles, C. [3 ]
Sumner, T. [1 ]
机构
[1] Univ London Imperial Coll Sci & Technol, Astrophys Grp, Blackett Lab, Prince Consort Rd, London SW7 2AZ, England
[2] IEEC, Barcelona, Spain
[3] IFAE, Barcelona, Spain
[4] Paul Scherrer Inst, Villigen, Switzerland
来源
关键词
LISA; LISA pathfinder; gravitational wave; space environment;
D O I
暂无
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
We present the concept, design and testing of the radiation monitor for LISA Pathfinder. Galactic cosmic rays (GCRs) and solar energetic particles (SEPs) will cause charging of the LISA Pathfinder test masses producing unwanted disturbances which could be significant during a large solar eruption. A radiation monitor on board LISA Pathfinder, using silicon PIN diodes as particle detectors, will measure the particle flux responsible for charging. It will also be able to record spectral information to identify solar energetic particle events. The design of the monitor was supported by Monte Carlo simulations which allow detailed predictions of the radiation monitor performance. We present these predictions as well as the results of high-energy proton tests carried out at the Paul Scherrer Institute, Switzerland. The tests show good agreement with our simulations and confirm the capability of the radiation monitor to perform well in the space environment, meeting all science requirements.
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页码:225 / +
页数:2
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