Assertion: scintillation detector | /r/CapableOf | cover by 0.13 mm thick beryllium window
Facets:
Source sentences:
text: The scintillation X-ray detector (XC) aboard Vela 5A and its twin Vela 5B consisted of two 1 mm thick NaI(Tl) crystals mounted on photomultiplier tubes and covered by a 0.13 mm thick beryllium window.