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Z(4430) is a new type of meson discovered by the Belle experiment. [1] [2] It has a mass of 4430 MeV.

Unlike the X(3872) meson discovered by the same experiment, this particle has a charge and the first direct observation of a four-quark meson.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Z(4430)". A list of authors is available in Wikipedia.
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