Oct 04 2007

Analysis of: McReynolds, A. W., Gravitational Acceleration of Neutrons, Brookhaven National Laboratory, Upton, New York, May 11, 1951

Published by at 7:50 pm under Neutron Experimentation

Calculation of the expected drop of the filtered beam makes use of both standard gravitational acceleration at the surface of the Earth and the slit spacing of the experiment.  As in Dabbs et al. fourteen years later, the average velocity of the slow beam is measured, and then compared to the expected difference in drop between the fast and slow components.  The longer wavelength of the slow component would normally produce a wider diffraction pattern through the last slit.  It is unfortunate that one of the peak amplitudes of the diffracted neutrons could be detected near the location of the expected drop.

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