Assertion: cross section | /r/CapableOf | increase to about 1,200 barns
Facets:
value: for neutrons
type: PURPOSE
Source sentences:
text: Boron, for example, when bombarded by neutrons traveling 1,000,000 cm per second (22,500 miles per hour), has a cross section for the neutron-capture reaction of about 120 barns, and boron’s cross section increases to about 1,200 barns for neutrons traveling at 100,000 cm per second.