1283_Physics ProblemsTechnical Physics

1283_Physics ProblemsTechnical Physics - 624 Particle...

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624 Particle Physics and Cosmology Section 46.4 Classification of Particles P46.10 In ? +→ + ++ pn µ , charge conservation requires the unknown particle to be neutral. Baryon number conservation requires baryon number = 0. The muon-lepton number of ? must be –1. So the unknown particle must be ν . P46.11 ΩΛ →+ 0 K K S 0 +− ππ (or 00 + ) Λ 0 + p π npe e →+ + + Section 46.5 Conservation Laws P46.12 (a) pp e +→ + L e 00 01 +→+ and L 10 −+ (b) charge −+→++ 11 (c) p p p + baryon number : 1 1 1 0 (d) pp ppn +→++ baryon number : 11 111 (e) γπ 0 charge 01 00 P46.13 (a) Baryon number and charge are conserved, with values of 0 1 0 1 +=+ and 1 1 1 1 in both reactions. (b) Strangeness is
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This note was uploaded on 12/15/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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