Abstract
A review of the experimental efforts to search for a fifth force is presented. The talk begins with a brief history of the hypothesis of fifth force and goes on to describe the context in which the hypothesis gained considerable significance in the recent past. Then a review of many modern experiments is presented, highlighting some of the representative experiments and their results. The TIFR torsion pendulum experiments are described in some detail and the main results are summarized. The talk ends with a hint of future directions in the field.
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Unnikrishnan, C.S. Search for a fifth force. Pramana - J. Phys. 41 (Suppl 1), 395–411 (1993). https://doi.org/10.1007/BF02908097
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DOI: https://doi.org/10.1007/BF02908097