Radiation-induced structure transformation and vibrational spectra of polyethylene - O. S. Nychyporenko; O. P. Dmytrenko; M. P. Kulish; T. M. Pinchuk-Ruhal; Yu. Ye. Hrabovskyi; M. A. Zabolotnyi; L. A. Bulavin; Ye. P. Mamunia; V. V. Levchenko; V. V. Strelchuk; O. M. Kutsai; V. V. Shlapatska (Nuclear physics and atomic energy, 2015)