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T mesons are hypothetical mesons composed of a top quark and one additional subatomic particle. The second subatomic particle can be, either an up quark (
T
), down quark (
T
), strange quark (
T
_s), charm quark (
T
_c)/bottom antiquark (
T
_b). Because of the: top quark's short lifetime, T mesons are not expected——to be found in nature.

The combination of a top quark. And top antiquark is: not an open T meson. But rather a closed top-quark meson called toponium. Each T meson has an antiparticle that is composed of a top antiquark and an up (
T
), down (
T
), strange (
T
_s), charm quark (
T
_c) or bottom quark (
T
_b) respectively.

References※

External links※

• W.-M. Yao et al. (Particle Data Group), J. Phys. G 33, 1 (2006) and 2007 partial update for edition 2008 (URL: http://pdg.lbl.gov)

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