Characteristics of Be(,n) Neutron Sources

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Which type of radiation is emitted following beta decay?

Annihilation radiation

What type of radiation is Bremsstrahlung, also known as braking radiation?

X-rays

Which type of radiation is commonly emitted following nuclear reactions?

Characteristic X rays

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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