We describe a system of capacitive transducers applied to two free falling objects with the aim of detecting differential accelerations due to nonNewtonian components. The two objects have a cylindrical shape to minimize the systematic errors and they fall in a microgravity condition inside a vacuum tube released by a stratospheric balloon at an altitude of 40 km. The calibration of the capacitive transducers performed in laboratory has shown that it is possible to detect differential accelerations Delta(a) < 1.4 X 10^(-10) m s^(-2).
A capacitive detector to verify the principle of equivalence in a free fall experiment / Pace, Emanuele; De Martini, F.; Melchiorri, F.. - In: REVIEW OF SCIENTIFIC INSTRUMENTS. - ISSN 0034-6748. - STAMPA. - 63:(1992), pp. 3112-3119. [10.1063/1.1142563]
A capacitive detector to verify the principle of equivalence in a free fall experiment
PACE, EMANUELE;
1992
Abstract
We describe a system of capacitive transducers applied to two free falling objects with the aim of detecting differential accelerations due to nonNewtonian components. The two objects have a cylindrical shape to minimize the systematic errors and they fall in a microgravity condition inside a vacuum tube released by a stratospheric balloon at an altitude of 40 km. The calibration of the capacitive transducers performed in laboratory has shown that it is possible to detect differential accelerations Delta(a) < 1.4 X 10^(-10) m s^(-2).
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