In the Standard Model,as with the Leptons,there Are 3 Generations

question 19

Multiple Choice

In the Standard Model,as with the leptons,there are 3 generations of quarks (u&d,c&s,and t&b) .The reason for this is

• A)because a baryon contains 3 quarks.
• B)because the electric charge of the quarks is +1/3 or -2/3 of e.
• C)because each quark has a baryon number of 1/3.
• D)all of the above.
• E)something we do not yet understand.

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