2. With up and down quarks and anti-quarks there are four different mesons you can build. uũ, ud, dū, dd These mesons are known as the pions and the eta. It's actually better to take linear combinations' and identify pions (7): ud, uū – dd, dū eta (n): ий + dd What are the electric charges of these particles?
2. With up and down quarks and anti-quarks there are four different mesons you can build. uũ, ud, dū, dd These mesons are known as the pions and the eta. It's actually better to take linear combinations' and identify pions (7): ud, uū – dd, dū eta (n): ий + dd What are the electric charges of these particles?
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Transcribed Image Text:2. With up and down quarks and anti-quarks there are four different mesons you can
build.
uũ, ud, dū, dd
These mesons are known as the pions and the eta. It's actually better to take
linear combinations' and identify
pions (7): ud, uū – dd, dū
eta (n):
ий + dd
What are the electric charges of these particles?
'If you like we're superimposing different quantum states in order to get energy eigenstates.
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