Rumsfeld hadrons

A missing link in the Standard Model is understanding hadrons, particles that respond to the strong interactions. In this article I summarise our knowledge in three classes, which are reminiscent of Donald Rumsfeld's (in)famous: 'things that we know we know; things that we know we don'...

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Bibliographic Details
Published in:Contemporary physics 2008-09, Vol.49 (5), p.343-350
Main Author: Close, F. E.
Format: Article
Language:English
Subjects:
Atoms & subatomic particles
Exact sciences and technology
hadrons
Molecules
Particle physics
Physics
The physics of elementary particles and fields
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Summary:A missing link in the Standard Model is understanding hadrons, particles that respond to the strong interactions. In this article I summarise our knowledge in three classes, which are reminiscent of Donald Rumsfeld's (in)famous: 'things that we know we know; things that we know we don't know; and things that we don't know that we don't know'. Recent discoveries in particle physics concerning strongly interacting hadrons fall into those categories. It is of course the third category that is the most tantalising, but lessons from the first two may help resolve the third.
ISSN:0010-7514
1366-5812
DOI:10.1080/00107510802607804