Particle phyiscs

Cards (45)

  • Rest Mass of Proton in eV and MeV
    938 x 10^-6 eV and 938MeV
  • Rest Mass of Electron in eV and MeV
    0.51 x 10^-6 and 0.51MeV
  • Definition of Isotope
    Same Proton Number and Different Nucleon Number
  • Mass of Proton/Neutron and Electron
    1.67x10^-27 and 9.11x10^-31
  • Specific Charge Equation
    Charge of Proton x Amount of Protons/Mass of Amount of Nucleons - Charge/Mass
  • Definition of Strong Nuclear Force
    Attractive Force - Holds Protons and Neutrons Together in Nucleus
  • What Range Does The Strong Nuclear Force Effect
    0.5 up to 3-4 Femtometres (fm)
  • Effect of Strong Nuclear Force Less Than 0.5fm
    Repulsive to Prevent Protons and Neutrons Being Pushed Into Each Other
  • What Force Has a Limited Range (Distance)
    Strong Nuclear Force
  • Nucleon and Proton Number of Alpha Radiation
    4 Nucleons, 2 Proton Number
  • Nucleon and Proton Number of Beta Radiation
    0 Nucleons, -1 Proton Number
  • Definition of Electromagnetic Wave
    A Burst of a Packet of Photons
  • Equation for Photon Energy
    E = hf
  • Equation for Power of a Beam
    Power of Beam = nhf
  • What is Annihilation?
    Two Particles Collide to Form 2 Photons
  • What is Pair Production?
    Photon Creates a Particle and Anti-Particle
  • Annihilation Equation for Minimum Energy of Photon
    hf_min = Eo
  • Pair Production Equation for Minimum Energy of Photon
    hf_min = 2Eo
  • Feynman Diagram for Neutron-Neutrino Interaction
  • Feynman Diagram for Proton-Antineutrino Interaction
  • Feynman Diagram for B- Decay
  • Feynman Diagram for B+ Decay
  • Feynman Diagram for Electron Capture
  • What Force Do Hadrons Interact With?
    Strong Interaction
  • What Force Do Leptons Interact With?
    Weak Interaction
  • State The Charge of Up, Down and Strange Quarks
    2/3, -1/3, -1/3
  • State The Charge of Anti Up, Down and Strange Quarks
    -2/3, 1/3, 1/3
  • Quark Composition of Proton
    uud
  • Quark Composition of Neutron
    udd
  • Quark Composition of K+ and K-
    u_s, s_u
  • Quark Composition of Pie+ and Pie-
    u_d, d_u
  • Conservation Laws - What is Conserved?
    Conserved: Charge, Momentum, Baryon Number, Energy and Lepton Number
  • Conservation Laws for Strangeness?
    Only Conserved in Strong Interactions
  • Definition of Threshold Frequency
    Minimum Frequency of Light That Can Cause The Photoelectric Effect to Take Place
  • What is The Correlation Between Number of Electrons Emitted and Intensity of Radiation
    These Are Proportional
  • Equation for Energy of a Photon (2 Equations)

    E = hf or hc/ ,\
  • Definition of Work Function
    The Minimum Energy Need by an Electron to Leave a Metal Surface
  • Equation for Maximum Kinetic Energy of an Electron

    Ek_max = hf - o (work function)
  • Equation for Threshold Frequency
    F = o/h
  • Definition for Excitation
    Atom Absorbs Energy Because of an Electron Moving From an Inner to an Outer Shell