Hadrons Containing Charm Quarks
Some of the hadrons containing charm quarks include:
- D mesons contain a charm quark (or its antiparticle) and an up or down quark.
- D
s mesons contain a charm quark and a strange quark. - There are many charmonium states, for example the J/ψ particle. These consist of a charm quark and its antiparticle.
- Charmed baryons have been observed, and are named in analogy with strange baryons (e.g. Λ+
c).
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Famous quotes containing the word charm:
“What is charm then? The free giving of a grace, the spending of something given by nature in her role of spendthrift ... something extra, superfluous, unnecessary, essentially a power thrown away.”
—Doris Lessing (b. 1919)