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Time proves not reversible at deepest level

Certain subatomic physical processes, such as the interconversion of complementary particles called kaons and antikaons, appear to take a different course if time runs in reverse.

 

References:

Angelopoulos, A. et al. In press. First direct observation of time-reversal non-invariance in the neutral-kaon system. Physics Letters B.

Arenton, M. 1998. Results on CP violation in kaon decays from KTEV. Workshop on Heavy Quarks at Fixed Target. October. Batavia, Ill.

 

Sources:

Brad Cox
University of Virginia
Department of Physics
Institute of Nuclear and Particle Physics
Charlottesville, VA 22901

Alan Kostelecky
Indiana University
Department of Physics
Bloomington, IN 47405

Panagiotis Pavlopoulos
CERN/EP
1211 Geneva 23
Switzerland

From Science News, Vol. 154, No. 18, October 31, 1998, p. 277.
Copyright Ó 1998 by Science Service.

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