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Y(4S)
The Y(4S) is a meson. Its quark wave function is (bbar b), its mass about
10.58 GeV. Just like a hydrogen atom
a system like (bbar b) can be radially
excited. There is a Y(1S), the Y(4S)
is the 4th radially excited state with
total angular momentum 0.
Y(4S)
The Y(4S) is a meson. Its quark wave function is (bbar b), its mass about
10.58 GeV. Just like a hydrogen atom
a system like (bbar b) can be radially
excited. There is a Y(1S), the Y(4S)
is the 4th radially excited state with
total angular momentum 0.
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Project Lead: Ray Cowan
Project Supervision: Douglas Smith (SLAC Computing Services)
Last significant update: 10-Sept-2002
