Indian Journal of Pure and Applied Physics-VOLUME 50 NUMBER 6 JUNE 2012

CONTENTS

Nuclear Physics
Radon and its progeny measurements in dwellings of Farrukhabad city of Uttar Pradesh in Northern India         Deepak Verma*, M Shakir Khan & Mohd Zubair	355
Atomic and Molecular Physics
Thermoluminescence of Li2B4O7:Cu and La         S Nabadwip Singh*, B Arunkumar Sharma & A Nabachandra Singh	358
Vibrational assignment, HOMO – LUMO, first-hyperpolarizability and Mulliken’s charge analysis of 2,7-dinitrofluorene         M Arivazhagan* & J Senthil Kumar	363
Physics of Gases, Plasmas and Electric Discharges
Application of the multisource thermal model in pseudorapidity distributions of charged particles produced in  or pp collisions over an energy range from 0.053 to 7 TeV         Jian-Xin Sun, Cai-Xing Tian, Er-Qin Wang, Bao-Chun Li & Fu-Hu Liu*	374
Condensed Matter: Structural, Mechanical and Thermal Properties
Structural and optical properties of ZnS, PbS, Zn1-xPbxS, ZnxPb1-xS and PbZnxS1-x thin films         Mahdi Hasan Suhail	380
Thermoelastic properties of alkali halides at high temperatures         K Sunil & B S Sharma*	387
Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties
Optical and infrared properties of lithium diborate glasses doped with copper oxide: Effect of gamma irradiation         Hatem A El-Batal*, Zeinab S El-Mandouh, Hamdia A Zayed, Samir Y Marzouk, Gihan M El-Komy & Ahmed Hosny	398
Effect of salinity on the dielectric properties of water         D H Gadani*, V A Rana, S P Bhatnagar, A N Prajapati & A D Vyas	405
Characterization of dielectric dispersion and ionic conduction behaviour of acetonitrile at low frequencies         Shobhna Choudhary & R J Sengwa*	411