Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-05-31
Int.J.Theor.Phys.9:229-244,1974
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages. An early proposal of "mirror matter", published in 1974. This is an exact copy of the published paper. I am posting
Scientific paper
10.1007/BF01810695
Having in mind that physical systems have different levels of structure we develop the concept of external, internal and total improper Lorentz transformation (space inversion and time reversal). A particle obtained from the ordinary one by the application of internal space inversion or time reversal is generally a different particle. From this point of view the intrinsic parity of a nuclear particle (`elementary particle') is in fact the external intrinsic parity, if we take into account the internal structure of a particle. We show that non-conservation of the external parity does not necessarily imply non-invariance of nature under space inversion. The conventional theory of beta-decay can be corrected by including the internal degrees of freedom to become invariant under total space inversion, though not under the external one.
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