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"Although scalar fields are Lorentz scalars, they may transform nontrivially under other symmetries, such as flavour or isospin. For example, the pion is invariant under the restricted Lorentz group, but is an isospin triplet (meaning it transforms like a three component vector under the SU(2) isospin symmetry). Furthermore, it picks up a negative phase under parity inversion, so it transforms nontrivially under the full Lorentz group; such particles are called pseudoscalar rather than scalar. Most mesons are pseudoscalar particles." (finally explained to a captivated Celestine by Professor Brian Cox on Wednesday 27th June 2012
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Re: Wikipedia Black Out
Deleted - didn't read the linked site properly!Last edited by labman; 18th January 2012, 10:59:AM. -
Re: Wikipedia Black Out
Stop American Censorship a campaign from Fight for the Future
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List of confirmed strikers:
SOPA STRIKE - Largest online protest in history - January 18 - blackout your site"Family means that no one gets forgotten or left behind"
(quote from David Ogden Stiers)Comment
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