Particle Physics Collaboration and Quarks
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Questions and Answers

What type of particles make up hadrons?

  • Quarks (correct)
  • Bosons
  • Leptons
  • Mesons
  • Which property must be conserved during all particle interactions?

  • Charge (correct)
  • Baryon number
  • Lepton number
  • Strangeness
  • In the decay process of a neutron into a proton, which particle is emitted?

  • Positron
  • Electron
  • Muon
  • Neutrino (correct)
  • Which particle combination has a charge of +1 and strangeness of 0?

    <p>π⁺ (pi-plus) (C)</p> Signup and view all the answers

    Which property is only conserved during strong interactions?

    <p>Strangeness (D)</p> Signup and view all the answers

    What do all baryons decay into?

    <p>Protons (A)</p> Signup and view all the answers

    Which exchange particle is responsible for the electromagnetic force?

    <p>Virtual photon (B)</p> Signup and view all the answers

    What is the exchange particle used in beta-plus decay?

    <p>Virtual photon (B)</p> Signup and view all the answers

    Which type of particles are hadrons made of?

    <p>Quarks (A)</p> Signup and view all the answers

    Which fundamental force is not explicitly mentioned in the text as being mediated by a specific exchange particle?

    <p>Gravity (C)</p> Signup and view all the answers

    Which type of particle cannot be further broken down according to the text?

    <p>Leptons (A)</p> Signup and view all the answers

    What type of decay involves the conversion of a neutron into a proton?

    <p>Beta-minus decay (A)</p> Signup and view all the answers

    What is the main purpose of a PET scanner?

    <p>To annihilate positrons with electrons (C)</p> Signup and view all the answers

    Which fundamental force is responsible for forces between particles caused by exchange particles?

    <p>Electromagnetic (A)</p> Signup and view all the answers

    What happens in pair production?

    <p>A photon is converted into an equal amount of matter and antimatter (C)</p> Signup and view all the answers

    How is repulsion described in terms of exchange particles?

    <p>Exchange of heavy balls causing movement (B)</p> Signup and view all the answers

    What type of energy is released when a positron annihilates with an electron?

    <p>Kinetic energy (D)</p> Signup and view all the answers

    In pair production, under what condition can a photon be converted into matter and antimatter?

    <p>When the photon has greater energy than the total rest energy of the particles (B)</p> Signup and view all the answers

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