Characteristics of Be(,n) Neutron Sources
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Questions and Answers

Which type of radiation is emitted following beta decay?

  • Neutrons
  • Ultraviolet rays
  • Alpha rays
  • Annihilation radiation (correct)
  • What type of radiation is Bremsstrahlung, also known as braking radiation?

  • Gamma rays
  • X-rays (correct)
  • Neutrons
  • Alpha rays
  • Which type of radiation is commonly emitted following nuclear reactions?

  • Characteristic X rays (correct)
  • Beta rays
  • Alpha rays
  • Synchrotron Radiation
  • What is the typical half-life of the parent decay process before gamma emission?

    <p>Centuries</p> Signup and view all the answers

    Which of the following isotopes are common gamma ray laboratory sources?

    <p>^22Na, ^57Co, ^60Co, ^137Cs</p> Signup and view all the answers

    What type of radiation is generated when energetic electrons bend in a circular orbit?

    <p>Synchrotron radiation</p> Signup and view all the answers

    Which heavy metals have a probability of spontaneous fission?

    <p>Transuranic heavy metals</p> Signup and view all the answers

    What is the most common source for neutron generation that decays by spontaneous fission?

    <p>^252Cf</p> Signup and view all the answers

    In the scheme of spontaneous fission of ^252Cf, what is released as a product?

    <p>Neutrons</p> Signup and view all the answers

    Which type of source is preferred if a choice is available, according to the text?

    <p>^241Am/Be</p> Signup and view all the answers

    What is the primary factor for choosing a neutron source according to the text?

    <p>Half-life</p> Signup and view all the answers

    What is the main factor affecting the strength of a neutron source?

    <p>The activity of the alpha emitter</p> Signup and view all the answers

    What is an actinide-beryllium alloy sealed within in a neutron source?

    <p>Stainless steel cylinders</p> Signup and view all the answers

    In which type of reactions do monoenergetic neutrons come from monoenergetic gamma rays?

    <p>(Gamma-neutron) reactions</p> Signup and view all the answers

    What is needed to produce neutrons of relatively high intensity in photoneutron sources?

    <p>High gamma activity</p> Signup and view all the answers

    Which element contaminates 239Pu to increase neutron yield in certain cases?

    <p>241Am</p> Signup and view all the answers

    What type of decay causes an exponential decrease in neutron yield with the half-life of an alpha emitter?

    <p>Alpha decay</p> Signup and view all the answers

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