Abstract
We derive the spin dependence of mass and of decay width of elementary particles described by infinite-component fields transforming irreducibly under $\mathrm{SL}(2,C)(\mathrm{Majorana})\ensuremath{\bigotimes}\mathrm{SL}(2,C)(\mathrm{Dirac})\ifmmode\times\else\texttimes\fi{}{T}_{4}$ representations. The fields describing the unstable particles are certain operator-valued distributions whose Fourier transforms are defined in the complex-momentum space via analytic continuation, and classification under the nonunitary Poincar\'e group is used to characterize the decay widths.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
