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The fluctuation of the magnetic field gradient around the test masses is the main source of magnetic noise in KAGRA [1].
However, the gradient has not been directly measured so far though the fluctuation of the uniform field were measured [2].
Thus, the purpose of this project is to measure the gradient fluctuation or set an upper limit to it.
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1タスクの定義は1週間程度で終わらせることができる研究
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== Document == == References & Related Documents ==
[1] [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4459|JGW-T1504459]]

[2] [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5544|JGW-G1605544]]

Measurement of the magnetic field gradient at the KAGRA site

Project description

The fluctuation of the magnetic field gradient around the test masses is the main source of magnetic noise in KAGRA [1]. However, the gradient has not been directly measured so far though the fluctuation of the uniform field were measured [2]. Thus, the purpose of this project is to measure the gradient fluctuation or set an upper limit to it.


Project schedule and Task List


Result


Presentation


[1] JGW-T1504459

[2] JGW-G1605544

KAGRA/Subgroups/DET/maggrad (last edited 2018-02-27 13:08:41 by TomofumiShimoda)