39. one point, from Lectures 40 and 41, many short answers, with some symbols

(a) .2 Comparing Quarks and Leptons. What two properties do quarks and leptons have in common (.1)? What three properties of quarks make them way different from leptons (.1)?

(b) .2 Building a Baryon and Meson. Write a quark combination which is a legal electrically negative baryon, which is not an antiproton (.1). Write a quark combination which is a legal negative meson, which is not a pion (.1). These have to be completely correct: don't forget overlines, subscripts, and fractional charge!

Revised December 3, 1997.