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Direct Measurement of a Beam Force Exerted to a Foil with a Laser Displacement Meter
Author(s) -
Katayama Ichiro,
Jeong SunChan,
Tsuchida Hidetsugu,
Ogawa Hidemi,
Sakamoto Naoki,
Itoh Akio
Publication year - 2001
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.200100068
Subject(s) - foil method , chemistry , projectile , laser , momentum transfer , metre , beam (structure) , torsion spring , laser beams , displacement (psychology) , optics , atomic physics , classical mechanics , physics , scattering , composite material , materials science , psychotherapist , psychology , quantum mechanics , astronomy
The interaction of a beam with a target foil is studied using a torsion balance. The change in equilibrium angle of the target frame due to momentum transfer of the projectile was measured by a laser displacement meter. The thick foil result can be interpreted in a straight forward way. On the other hand, the thin foil result shows that the momentum transfer to the tar get is 71 +/‐ 10% of that expected from energy loss of a projectile.
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