Table of Contents
Journal of Nuclear Chemistry
Volume 2014, Article ID 725629, 7 pages
http://dx.doi.org/10.1155/2014/725629
Research Article

Determination of Effective Atomic Numbers Using Different Methods for Some Low-Z Materials

1Department of Physics, Karnatak University, Dharwad, Karnatak 580003, India
2Health Physics Section, Kaiga Atomic Power Station 3 and 4, NPCIL, Karwar 581400, India
3Department of Physics, Faculty of Arts and Sciences, Uludag University, 16059 Bursa, Turkey

Received 18 April 2014; Revised 4 July 2014; Accepted 9 July 2014; Published 7 August 2014

Academic Editor: Hasan Mahmood Khan

Copyright © 2014 Vishwanath P. Singh et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. International Commission on Radiation Units and Measurements ICRU, “Tissue substitutes in radiation dosimetry and measurement,” Tech. Rep. 44, ICRU, Betheda , Md, USA, 1989. View at Google Scholar
  2. V. P. Singh and N. M. Badiger, “Effective atomic numbers, electron densities, and tissue equivalence of some gases and mixtures for dosimetry of radiation detectors,” Nuclear Technology & Radiation Protection, vol. 27, no. 2, pp. 117–124, 2012. View at Publisher · View at Google Scholar · View at Scopus
  3. T. K. Kumar, S. Venkataratnam, and K. V. Reddy, “Effective atomic number studies in clay minerals for total photon interaction in the energy region 10 keV-10 MeV,” Radiation Physics and Chemistry, vol. 48, no. 6, pp. 707–710, 1996. View at Publisher · View at Google Scholar · View at Scopus
  4. Shivaramu and V. Ramprasath, “Effective atomic numbers for photon energy absorption and energy dependence of some thermoluminescent dosimetric compounds,” Nuclear Instruments and Methods in Physics Research B, vol. 168, no. 3, pp. 294–304, 2000. View at Publisher · View at Google Scholar · View at Scopus
  5. T. Kiran Kumar and K. Venkata Reddy, “Effective atomic numbers for materials of dosimetric interest,” Radiation Physics and Chemistry, vol. 50, no. 6, pp. 545–553, 1997. View at Publisher · View at Google Scholar · View at Scopus
  6. I. Han, M. Aygun, L. Demir, and Y. Sahin, “Determination of effective atomic numbers for 3d transition metal alloys with a new semi-empirical approach,” Annals of Nuclear Energy, vol. 39, no. 1, pp. 56–61, 2012. View at Publisher · View at Google Scholar · View at Scopus
  7. M. Kurudirek, M. Büyükyıldız, and Y. Özdemir, “Effective atomic num ber study of various alloys for total photon interaction in the energy region of 1 keV–100 GeV,” Nuclear Instruments and Methods in Physics Research A, vol. 613, pp. 251–256, 2010. View at Google Scholar
  8. V. R. K. Murty, “Effective atomic numbers for W/Cu alloy for total photon attenuation,” Radiation Physics and Chemistry, vol. 71, no. 3-4, pp. 667–669, 2004. View at Publisher · View at Google Scholar · View at Scopus
  9. A. H. El-Kateb, R. A. M. Rizk, and A. M. Abdul-Kader, “Determination of atomic cross-sections and effective atomic numbers for some alloys,” Annals of Nuclear Energy, vol. 27, no. 14, pp. 1333–1343, 2000. View at Publisher · View at Google Scholar · View at Scopus
  10. A. Çelik, U. Çevik, E. Bacaksiz, and N. Çelik, “Effective atomic numbers and electron densities of CuGaSe2 semiconductor in the energy range 6-511 keV,” X-Ray Spectrometry, vol. 37, no. 5, pp. 490–494, 2008. View at Publisher · View at Google Scholar · View at Scopus
  11. O. Ïçelli, “Measurement of efffective atomic numbers of holmium doped and undoped layered semiconductors via transmission method around the absorption edge,” Nuclear Instruments and Methods in Physics Research A, vol. 600, no. 3, pp. 635–639, 2009. View at Publisher · View at Google Scholar · View at Scopus
  12. N. Damla, H. Baltas, A. Celik, E. Kiris, and U. Cevik, “Calculation of radiation attenuation coefficients, effective atomic numbers and electron densities for some building materials,” Radiation Protection Dosimetry, vol. 150, no. 4, Article ID ncr432, pp. 541–549, 2012. View at Publisher · View at Google Scholar · View at Scopus
  13. J. Kaewkhao and P. Limsuwan, “Mass attenuation coefficients and effective atomic numbers in phosphate glass containing Bi2O3, PbO and BaO at 662 keV,” Nuclear Instruments and Methods in Physics Research A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 619, no. 1–3, pp. 295–297, 2010. View at Publisher · View at Google Scholar · View at Scopus
  14. H. Gill, G. Kaur, K. Singh, V. Kumar, and J. Singh, “Study of effective atomic numbers in some glasses and rocks,” Radiation Physics and Chemistry, vol. 51, no. 4–6, pp. 671–672, 1998. View at Publisher · View at Google Scholar · View at Scopus
  15. G. S. Mudahar and H. S. Sahota, “Effective atomic number studies in different soils for total photon interaction in the energy region 10-5000 keV,” Applied Radiation and Isotopes, vol. 39, no. 12, pp. 1251–1254, 1988. View at Publisher · View at Google Scholar · View at Scopus
  16. N. Kucuk, Z. Tumsavas, and M. Cakir, “Determining photon energy absorption parameters for different soil samples,” Journal of Radiation Research, vol. 54, no. 3, pp. 578–586, 2013. View at Publisher · View at Google Scholar · View at Scopus
  17. S. Gowda, S. Krishnaveni, and R. Gowda, “Studies on effective atomic numbers and electron densities in amino acids and sugars in the energy range 30–1333 keV,” Nuclear Instruments and Methods in Physics Research B: Beam Interactions with Materials and Atoms, vol. 239, no. 4, pp. 361–369, 2005. View at Publisher · View at Google Scholar · View at Scopus
  18. S. R. Manohara, S. M. Hanagodimath, and L. Gerward, “Studies on effective atomic number, electron density and kerma for some fatty acids and carbohydrates,” Physics in Medicine and Biology, vol. 53, no. 20, pp. N377–386, 2008. View at Publisher · View at Google Scholar · View at Scopus
  19. I. Han, L. Demir, and M. Şahin, “Determination of mass attenuation coefficients, effective atomic and electron numbers for some natural minerals,” Radiation Physics and Chemistry, vol. 78, no. 9, pp. 760–764, 2009. View at Publisher · View at Google Scholar · View at Scopus
  20. V. Manjunathaguru and T. K. Umesh, “Effective atomic numbers and electron densities of some biologically important compounds containing H, C, N and O in the energy range 145–1330 keV,” Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 39, no. 18, article 025, pp. 3969–3981, 2006. View at Publisher · View at Google Scholar · View at Scopus
  21. N. Koç and H. Özyol, “Z-dependence of partial and total photon interactions in some biological samples,” Radiation Physics and Chemistry, vol. 59, no. 4, pp. 339–345, 2000. View at Publisher · View at Google Scholar · View at Scopus
  22. M. J. Berger and J. H. Hubbell, XCOM: Photon Cross Sections Database, NBSIR, 1987.
  23. L. Gerward, N. Guilbert, K. B. Jensen, and H. Levring, “WinXCom: a program for calculating X-ray attenuation coefficients,” Radiation Physics and Chemistry, vol. 71, no. 3-4, pp. 653–654, 2004. View at Publisher · View at Google Scholar · View at Scopus
  24. M. E. Wieser, N. Holden, T. B. Coplen et al., “Atomic weights of the elements 2011 (IUPAC technical report),” Pure and Applied Chemistry, vol. 85, no. 5, pp. 1047–1078, 2013. View at Publisher · View at Google Scholar · View at Scopus
  25. M. L. Taylor, R. L. Smith, F. Dossing, and R. D. Franich, “Robust calculation of effective atomic numbers: the auto-Zeff software,” Medical Physics, vol. 39, no. 4, pp. 1769–1778, 2012. View at Publisher · View at Google Scholar · View at Scopus
  26. S. R. Manohara, S. M. Hanagodimath, K. S. Thind, and L. Gerward, “On the effective atomic number and electron density: a comprehensive set of formulas for all types of materials and energies above 1 keV,” Nuclear Instruments and Methods in Physics Research B: Beam Interactions with Materials and Atoms, vol. 266, no. 18, pp. 3906–3912, 2008. View at Publisher · View at Google Scholar · View at Scopus
  27. R. Nowotny, “XMuDat: photon attenuation data on PC,” Tech. Rep. IAEA-NDS-195, International Atomic Energy Agency, Vienna, Austria, 1998, https://www-nds.iaea.org/publications/iaea-nds/iaea-nds-0195.htm. View at Google Scholar
  28. D. F. Jackson and D. J. Hawkes, “X-ray attenuation coefficients of elements and mixtures,” Physics Reports, vol. 70, no. 3, pp. 169–233, 1981. View at Publisher · View at Google Scholar · View at Scopus
  29. K. Parthasaradhi, A. Esposito, and M. Pelliccioni, “Photon attenuation coefficients in tissue equivalent compounds,” Applied Radiation and Isotopes, vol. 43, no. 12, pp. 1481–1484, 1992. View at Publisher · View at Google Scholar · View at Scopus
  30. N. Kucuk, M. Cakir, and N. A. Isitman, “Mass attenuation coefficients, effective atomic numbers and effective electron densities for some polymers,” Radiation Protection Dosimetry, vol. 153, no. 1, pp. 127–134, 2013. View at Publisher · View at Google Scholar · View at Scopus
  31. S. P. Kumar, V. Manjunathaguru, and T. K. Umesh, “Effective atomic numbers of some H-, C-, N- and O-based composite materials derived from differential incoherent scattering cross-sections,” Pramana, vol. 74, no. 4, pp. 555–562, 2010. View at Publisher · View at Google Scholar · View at Scopus
  32. R. Vijayakumar, L. Rajasekaran, and N. Ramamurthy, “Effective atomic numbers for photon energy absorption of some low-Z substances of dosimetric interest,” Radiation Physics and Chemistry, vol. 62, no. 5-6, pp. 371–377, 2001. View at Publisher · View at Google Scholar · View at Scopus
  33. A. H. El-Kateb and A. S. Abdul-Hamid, “Photon attenuation coefficient study of some materials containing hydrogen, carbon and oxygen,” Applied Radiation and Isotopes, vol. 42, no. 3, pp. 303–307, 1991. View at Publisher · View at Google Scholar · View at Scopus