14116
Radioactive ion beams ( such as S ) in combination with actinide targets ( such as Cm ) may allow the production of more neutron rich nuclei nearer to the center of the island of stability , though such beams are not currently available in the required intensities to conduct such experiments .
 Cm
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cm