Pair Production
From ExoDictionary
This definition page has been automatically generated. You can help ExoDictionary by expanding, updating, or correcting it. |
This autostub has not yet had its initial copyediting proof and may contain significant formatting and even factual errors. You can improve Exodictionary by cleaning up the page markup and verifying that the definition is correct and then removing this tag. |
This autostub has not yet had its initial categorization proof and may be categorized incorrectly. You can improve Exodictionary by removing inappropriate categories and then removing this tag. |
Pair Production
</dt>
An absorption process for X-ray and gamma ray
radiation in which the incident photon is
annihilated in the vicinity of the nucleus of the absorbing atom, with
subsequent production of an electron and
positron
pair.
</dd>
This reaction does not occur for incident radiation energies of less
than 1.02 million electron volts.
</dd>
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use