International Science Community Association Research Journal of Recent Sciences 2277 - 2502 1 6 2012 June 2 Continuous Slowing Down Approximation (CS and DA) Ranges of Electrons and Positrons for Carbon, Aluminium and Copper 70 76 EN Mostafa M.Rady 1 Agricultural Botany Department, Faculty of Agriculture, Fayoum University, 63514-Fayoum, EGYPT Water Relations and Field Irrigation Dept. National Research Centre, Cairo, 12622 EGYPT MaybelleS. Gaballah 2 Murthy B.R.N. 1 Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal 576 104, Karnataka, INDIA Lewlyn L.R.Rodrigues 2 Anjaiah Devineni 3 Ipatova V.M. 1 Moscow Institute of Physics and Technology, Dolgoprudny 141700, RUSSIA Singh Shachi 1 Center for Biotechnology, Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, INDIA Agbo G.A. 1 Faculty of Physical Sciences, Industrial Physics Department, Ebonyi State University, Abakaliki, Ebonyi State, NIGERIA Ibeh G.F. 2 Ekpe J.E. 3 Magarajan U. 1 School of Mechanical and Building Sciences, VIT University, Vellore– 632 014, Tamil Nadu, INDIA Thundilkaruppa RajR. 2 Elango T. 3 Khani Hamid 1 Sama Technical and Vocational Training College, Islamic Azad University, Qaemshahr Branch, Qaemshahr, IRAN YazdaniQanbar Ali 2 Department of Accounting, Qaemshahr Branch, Islamic Azad University, Qaemshahr, IRAN Nasiripour A. 1 Department of Health Services Administration, Science and Research Branch, Islamic Azad University, Tehran, IRAN Afshar KazemiM. 2 Department of Industrial Management, Tehran markaz Branch, Islamic Azad University, Tehran, IRAN Izadi A. 3 Department of Health Services Administration, Science and Research Branch, Islamic Azad University, Tehran, IRAN Idris M.A. 1 Idris O.F. and Sabahelkhier M.K.Department of Biochemistry, Faculty of Medicine and Health Sciences, University of Dongola, SUDAN O.F. Idris 2 Department of Biochemistry and Molecular Biology, Faculty of Science and technology EL-Neelain University, SUDAN Sabahelkhier M.K. 3 Raval A.A. 1 Department of Microbiology, Arts, Science and Commerce College, Kamrej Cross Roads, Surat, INDIA Desai P.B. 2 Dept. of Microbiology, Shree Ramkrishna Inst. of Applied Sciences, MTB College Campus, Athwalines, Surat, INDIA Parihar S.S. 1 Department of life sciences, ITM University Gwalior, MP, INDIA Kumar Ajit 2 Centre for Biotechnology, MD University, Rohtak, Haryana, INDIA Kumar Ajay 3 College of life sciences (CHRI), Gwalior, MP, INDIA Gupta R.N. 4 Department of P.G. Studies and Research Chemistry, Govt. S.L.P. College, Gwalior, MP, INDIA Pathak Manoj 5 Shrivastav Archana 6 Pandey A.C 7 Bhise R.M. 1 Dept of Chemical Enggineering TKIET,Warananagar, Kolhapur, MS, INDIA Patil A.A. 2 Raskar A.R. 3 Patil P.J. 4 Deshpande D.P. 5 Agrawal Priyanka 1 Department of physics, B. S. A. College, Mathura 281004, INDIA Rathi S.K. 2 Department of physics, B.S.A.C.E.T., Mathura 281004, INDIA Verma A.S. 3 Department of physics, Panjab University, Chandigarh 160014, INDIA > Review Paper 2012 2 22 2012 June 2 In this paper we present a relation for continuous slowing down approximation (CSDA) ranges for electrons and positrons of Carbon, Aluminium and Copper in terms of energy from 700 keV to 50000 keV and have been fitted by a second order polynomial approximation with two parameters. These parameters depend upon the atomic weight (A) and atomic number (Z) of the absorber. It has been found that the polynomial potential function gives better agreement with the available experimental data. Copyright@ International Science Community Association