1982d

1982d

The following is a paper by H. Aspden published in Lettere al Nuovo Cimento, v. 33, pp. 237-239 (1982).

A THEORY OF PION LIFETIME

Commentary: This paper extends the principles of the earlier paper on neutron lifetime [1981b] to deal with the stability of the pion. The theory gives a theoretical value of the pion lifetime in perfect accord with that measured.


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Helix Nebula (NGC 7293) — the nearest planetary nebula to Earth, imaged in ultraviolet by NASA's Galaxy Evolution Explorer
Helix Nebula (NGC 7293), the nearest planetary nebula to Earth (~655 light-years). Sometimes called the “Eye of God.” Credit: NASA/JPL-Caltech/SSC (Galaxy Evolution Explorer) · NASA Image Library ↗