Lineshape response of plastic scintillator to pair production of 4.44 MeV gamma's

Melisa Ozen, John A. Behr, Michelle Khoo +3

We measure the distribution of energy deposited in a 40x88 mm plastic scintillator by e+ e- pair production of 4.44 MeV gamma-rays. We observe the double-escape peak of 3.42 MeV fr…