1. Department of Physics, University of Azad Jammu & Kashmir, Muzaffarbad, 13100 Azad Kashmir, Pakistan,
2. Department of Medical Physics, Nuclear Medicine, Oncology and Radiotherapy Institute, Islamabad, Pakistan
3. Department of Physics, University of Azad Jammu & Kashmir, Muzaffarbad, 13100 Azad Kashmir, Pakistan
4. SPAS Dte Division SPARCENT, SUPARCO HQs, Karachi, Pakistan
5. Physics Division, PINSTECH, P.O. Nilore, Islamabad, Pakistan