GG (Galileo Galilei) Test of the Equivalence Principle to 10-17
GG (Galileo Galilei) Test of the Equivalence Principle to 10-17
GG (Galileo Galilei) Test of the Equivalence Principle to 10-17
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Drivers and requirements: some numbers (VII)Electric charging & patch effects:• passive electric grounding <strong>of</strong> <strong>the</strong> test masses• co-rotation <strong>of</strong> <strong>the</strong> test masses and <strong>the</strong> capacitance transdusers (make patch effectsDC or slowly varying if <strong>the</strong>y do slowly vary.. .as <strong>the</strong>y do…)• gold coating• direct measurement <strong>of</strong> <strong>the</strong> effects <strong>of</strong> any patches <strong>of</strong> charges on test masses, as wehave done in <strong>GG</strong>G (see later..)
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