weak interaction

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weak interaction [′wēk ‚in·tər′ak·shən]

(particle physics)

One of the fundamental interactions among elementary particles, responsible for beta decay of nuclei, and for the decay of elementary particles with lifetimes greater than about 10^-10second, such as muons,Kmesons, and lambda hyperons; it is several orders of magnitude weaker than the strong and electromagnetic interactions, and fails to conserve strangeness or parity. Also known as beta interaction.

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beta interaction
electroweak interaction
elementary particles
Fundamental interactions

Neutral currents
weak interactions
Weak nuclear interactions

The weak interaction parameters can be measured using neutron beta decay with fewer and simpler theoretical corrections than measurements using the beta decay of nuclei.

On the measurement of the neutron lifetime using ultracold neutrons ... by Penttila, S.I. / Journal of Research of the National Institute of Standards and Technology

Scientists have found, for instance, that the fundamental particle interaction known as the weak interaction occasionally applies unequally to particles, creating a CP violation.

Colliders spur hunt for antimatter answers by Weiss, P. / Science News

HNBR and EPDM have a relatively weak interaction with the carbon black because of their high degree of saturation.

Industrial rubber products: carbon black and compound performance by Chung, B. / Rubber World

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