Testing the
Equivalence Principle
on Earth and in space
Equivalence of inertial-to-gravitational mass
Scientific relevance of the Equivalence Principle (II)
Scientific relevance of the Equivalence Principle (III)
Scientific relevance of the Equivalence Principle (IV)
Where are we? The ground tests after Eötvös
Accelerometer design: the STEP case (I)
Accelerometer design: the STEP case (II)
Accelerometer design: the mSCOPE case
“Free“ test cylinders not possible…
Accelerometer design: the GG case (I)
Accelerometer design: the GG case (II)
GG: the s/c around the accelerometer (I)
GG: the s/c around the accelerometer (II)
GG: main novelties and advantages (I)
GG: main novelties and advantages (II)
EP tests in LEO: the most subtle disturbance (I)
EP tests in LEO: the most subtle disturbance (II)
Unstable whirl motions:
slow if Q factor high; can be damped
Ground test of proposed space apparatus
GGG prototype: test cylinders coupled by the suspensions
GGG prototype: test cylinders coupled by read out too
GGG prototype: the central suspension
GGG prototype: verticality of shaft
GGG prototype: the read out (I)
GGG prototype: the read out (II)
GGG prototype: the read out (III)
GGG prototype: the read out (II)
GGG prototype: calibration of read out
GGG prototype: the reference signal (I)
GGG prototype: the reference signal (II)
GGG prototype: the reference signal (III)
GGG prototype: damping of whirl motions (I)
GGG prototype: damping of whirl motions (II)
GGG: results from first generation prototype (I)
GGG: results from first generation prototype (II)
GGG: results from first generation prototype (III)
GGG: results from first generation prototype (IV)
GGG: results from first generation prototype (V)
GGG: results from first generation prototype (VI)
GGG: 2nd generation prototype (II)
GGG: 2nd generation prototype (III)
GGG: 2nd generation prototype (IV)
GGG: 2nd generation prototype (V)
GGG: 2nd generation prototype (VI)
GGG: 2nd generation prototype (VII)