Subatomic Particles 0.0 / 5 ? PhysicsParticle physicsA2/A-levelWJEC Created by: biran4454Created on: 08-02-22 10:13 What two particle classes compose matter? Fermions and Bosons 1 of 21 What is the Pauli Exclusion Principal? 2+ particles cannot be in the same place and state at the same time 2 of 21 Which class of particles obey this principal? Fermions 3 of 21 What spin do Fermions have? 1/2 spin 4 of 21 What 2 types of particles are fermions? quarks and leptons 5 of 21 Which of quarks and leptons are composite (cannot exist on their own)? quarks 6 of 21 What are the 2 types of quark (1st gen only)? Up (u) and Down (d) 7 of 21 What are the 2 types of antiquark (1st gen only)? Antiup and antidown (u and d with line over the top) 8 of 21 What charges do the 1st gen quarks have? Up: +2/3 Down: -1/3 9 of 21 What charges do the 1st gen antiquarks have? Antiup: -2/3 Antidown: +1/3 10 of 21 What are the two lepton types (1st gen only)? Electron and electron neutrino (e- and Ve) 11 of 21 What are the two antilepton types (1st gen only)? Positron and anti-electron neutrino (e+ and Ve with line) 12 of 21 What particle class is created from quark combinations? Hadrons 13 of 21 What two particle classes compose hadrons? Mesons and Baryons 14 of 21 What class are the first-gen mesons? Pions 15 of 21 What is the quark makeup of each type of pion? Up+antiup, down+antidown: π0. Up+antidown: π+. Down+antiup:π- 16 of 21 What are the 2 types of baryons that contain at least 1 of each 1st gen quark type? Proton and Neutron 17 of 21 What is the quark makeup of a proton and neutron? Proton: uud. Neutron: udd 18 of 21 What are the bosons? Force carriers 19 of 21 What is each type of force, and the corresponding boson? EM - photon. Gravitational - graviton. Strong - gluon. Weak - weak, w+, w- 20 of 21 What three particle characteristics must be conserved? Charge, lepton number, baryon number. 21 of 21
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