8. Particle Physics and Cosmology(902-927) 902.Problem 56.2 (RHK) 903.Problem 56.3 (RHK) 904.Problem 56.6 (RHK) 905.Problem 56.7 (RHK) 906.Problem 56.8 (RHK) 907.Problem 56.9 (RHK) 908.Problem 56.13 (RHK) 909.Problem 56.15 (RHK) 910.Problem 45.11P (HRW) 911.Problem 45.22P (HRW) 912.Problem 56.18 (RHK) 913.Problem 56.19 (RHK) 914.Problem 56.20 (RHK) 915.Problem 56.21 (RHK) 916.Problem 56.22 (RHK) 917.Problem 56.24 (RHK) 918.Problem 56.25 (RHK) 919.Problem 56.26 (RHK) 920.Problem 56.27 (RHK) 921.Problem 56.28 (RHK) 922.Problem 56.29 (RHK) 923.Problem 56.30 (RHK) 924.Problem 56.31 (RHK) 925.Problem 56.32 (RHK) 926.Problem 45.39E (HRW) 927.Problem 56.33 (RHK)