Textbook Guide Physics: Galactic Center, Electroweak Interaction, Fermilab

• School: UTSG
• Department: Physics
• Course: PHY131H1
• Professor: all

Document Summary

Is not our goal to account for all of them, but instead we are going to use the classi cation known as stan- dard model to classify different types of fundamen- tal particles. Remember that all particles have an intrinsic angular momentum called spin ~s. In general, we are interested in its magnitude, and the projection along the z-axis: Sz = ms for ms = s, s 1, . , s, (4) where: ms is the spin magnetic quantum number, s is the spin quantum number. The spin quantum number is always of the form s = n. 2 for n = 1, 2, 3, . (5) An electron has s = 1/2, so it is called a spin- 1 cle. A fermion -named after enrico fermi - is any particle with an spin quantum number of the form. 2 i. e. , its numerator is always an odd number.