Rubbia and Van Der Meer Discover Three New Particles

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Article abstract: The discovery of three new particles that had been predicted by theoretical physicists provided evidence for the unification of the electrical and weak forces.

The Unification of Physical Forces

During the early decades of the twentieth century, physicists came to realize that they needed to consider additional forces, beyond the familiar gravitational and electromagnetic forces, to understand how the nuclei of stable atoms could hold together and how the nuclei of radioactive atoms could allow some particles to escape. They named the...

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