Question

1. This problem acquaints you with some of the standard terminology used in particle physics. You will need to know that scalar means J = 0, vector means J = 1, isoscalar means 1 = 0, isodoublet means 1 = 1/2, isovector means 1-1, strange means having Sメ0. In addition, decuplet baryons refers to the 10 lightest J-3/2 baryons made from u, d, and s quarks, while octet baryons refers to the 8 lightest J-1/2 baryons made from u, d, and s quarks. Hint: Use Eqs. 15.4 and 15.5, and Figs. 15.3 and 15.4 of Henley-Garcia. In the following, the question ‘How does it decay? means give both the dominant deca (a) What is the member of the isodoublet decuplet baryon with 13 +t? How does it decay? b) Which are the light unflavored isovector mesons? Give the quark content of each. (c) What is the member of the isovector octet antibaryon with 13 = +1? How does it decay? (d) What are the lightest pseudoscalar isovector mesons? How do they decay?

Answer 1

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The kaons ,k,k and ko aye the Lightes Scalar isoobublet he asons The Kaon (k) decaus to pon, Anti electron -And 和11000: electron-reutnnD ab ollo)& The Kaon (5) delays to plon, elchon ard Ant