Biography

Prof. Laith Ahmed Najam

Mosul University, Iraq

Iraqi-University, Baghdad, Iraq

Full Professor


E-mail: [email protected], [email protected]


Research fields

Nuclear Physics

Radiation Physics

Semiconductor Radiation Detectors


Qualifications

2006 Ph.D., Physics Department, College of Science, Mosul University, Iraq

1990 M.Sc., Physics Department, College of Science, Mosul University, Iraq

1987 B.Sc., Physics Department, College of Science, Mosul University, Iraq


Publications (selected)

  1. Hashim, A.K., Najam, L.A., Ashour, N.I., et al. Uranium Concentration, Effective Radium Content and Radon Exhalation Rate
    Estimation for different Tea Brand Samples in Iraqi Market, Plant Archives Vol. 19 No. 1, 2019 pp. 407-412.
  2. Abojassim, A.A., Mohammed, H.AU., Najam, L.A. et al. Uranium isotopes concentrations in surface water samples for Al-Manathera and Al-Heerra regions of An-Najaf, Iraq, Environ Earth Sci (2019) 78: 132. https://doi.org/10.1007/s12665-019-8134-2.
  3. Hashim AK, Najam LA, Mohammed EJ, Hameed AS. Estimation of Radon Exhalation Rate, Radium Activity and Uranium Concentration in Biscuit Samples in Iraq. Iran J Med Phys 2019; 16: 152-157. 10.22038/ijmp.2018.32693.1394.
  4. Hussain A. Al-Jobouri, Fala H. Taha, Laith Ahmed Najam and Wijdan Thamer Faaz, Determination the Effect of Gamma Radiation on (CR-39, CN-85) Detectors by Using of Penetration of (He-Ne) Laser Beam, Research Journal of Applied Sciences 14 (1): 45-48, 2019.
  5. El-Taher A, Najam LA, Hussian I, Omer MAA. Evaluation of Natural Radionuclide content in Nile River Sediments and Excess Lifetime Cancer Risk Associated with Gamma Radiation. Iran J Med Phys 2019; 16: 27-33. 10.22038/ijmp.2018.30622.1351.
  6. Hussain Ali Al-Jobouri, Wijdan Thamer Faaz, Laith A. Najam, Effect of Ultraviolet Radiation on CN-85 and CR-39 Detectors by UV-Visible Spectroscopy and (He-Ne) Laser Penetration Techniques, Asian Journal of Chemistry, Vol. 30, No. 9 (2018), 2075-2078, DOI: 10.14233/ajchem.2018.21435.
  7. Laith A. Najam, Sameera A. Ebrahiem, Shaemaa A. Abbas Hind A. Mahdi, Assessment of Radon Gas Concentrations Levels and Radiation Hazards in the Dwellings of Baghdad Province, Iraq, Rasayan J. Chem., 2018, 11 (1), 37-40, DOI: 10.7324/RJC.2018.1111696.
  8. Atef El-Taher, Laith Ahmed Najam, Afrah Hassoon Oraibi, Matthew Omoniyi Isinkaye, Effect of Cement Factory Exhaust on Radiological Contents of Surrounding Soil Samples in Assuit Province, Egypt, Journal of Physical Science, 2017, 28 (3), 137–150, DOI: 10.21315/jps2017.28.3.9.
  9. Liath Ahmed Najam, Taghreed Khalid Hameed, Ahmed Obeed Farhan, Assessment of Radon Gad Concentrations Levels and Hazards Indices in Houses of Wassit Province-Iraq, Rasayan J. Chem., 2017, 10 (4), 1311-1315, DOI: 10.7324/RJC.2017.1041884.
  10. Liath Ahmed Najam, Hazim Louis Mansour, Nada Fadhil Tawfiq, Mahmood Salim Karim, Measurement of Radon Gas Concentrations in Tap Water Samples for Thi-Qar Governorate Using Nuclear Track Detector (CR-39), Detection, 2016, 4, 1-8, 10.4236/detection.2016.41001.
  11. Laith Ahmed Najam, Hazim Louis Mansour, Nada Fathil Tawfiq and Mahmood Salim Karim, Measurement of Radioactivity in Soil Samples for Selected Regions in Thi-Qar Governorate-Iraq, Journal of Radiation and Nuclear Applications, 2016, 1, 25-30.
  12. Muataz A. Majeed, Ghasan Adnan Naeem, Laith Ahmed Najam, Attenuation of X-ray Fluorescence by Cadmium Compounds (CdSO4, CdCl2, CdO), International Journal of Advanced Research in Physical Science (IJARPS), Volume 3, Issue 8, 2016, PP 1-4.
  13. Laith Ahmed Najam, Mahmood Salim Karim, Taghreed Khalid Hameed, Measurement of Radon Gas Concentration in Tap Water Samples in Wassit Governorate by Using Nuclear Track Detector (CR-39), International Journal of Physics, 2016, 4 (5), 119-122, DOI: 10.12691/ijp-4-5-1.
  14. Ruqaya Jabir Hadi, Ali Abid Abojassim, Laith Najam, Radial Atomic Properties of Excited States for Beryllium Atom (1s2 2s ns) (1s), American Journal of Modern Energy, 2016, 2(1), 1-4, 10.11648/j.ajme.20160201.11.
  15. Hussain A. Al-Jobouri, Laith Ahmed Najam, Mustafa Y. Rajab, Image Analysis of Cr-39 and Cn-85 Detector Irradiated by Thermal Neutron, International Journal of Recent Research and Review, Vol. IX, Issue 1, March 2016.
  16. Laith Ahmed Najam, Abdalsattar Kareem Hashim, Hussein Abdulkareem Ahmed, Israa M. Hassan, Study the Attenuation Coefficient of Granite to Use It as Shields against Gamma Ray, Detection, 2016, 4, 33-39, 10.4236/detection.2016.42005.
  17. Ammar A. Battawy, Nada F. Tawfiq, Laith Ahmed Najam, Mohamad Suhaimi Jaafar, Iskandar Shahrim Mustafa, Indoor Radon Concentration Measurement in Different Iraqi Radiation Locations, International Journal of Recent Research and Review, Vol. IX, Issue 1, March 2016.
  18. Saad Naji Abood, Laith Ahmed Najim, An IBM-2 Calculation of E2/M1 Multipole Mixing Ratios of Transitions in 90-96Sr, International Journal of Physics, 2016, Vol. 4, No. 1, 5-10. DOI: 10.12691/ijp-4-1-2.
  19. ABDALSATTAR KAREEM HASHIM, LAITH AHMED NAJAM, RAMLA D. AL-ALAWY, Effective Radium Content and Radon Flux Determination in Cereals and Legumes Iraqian Products, Estratto da: Atti della Fondazione Giorgio Ronchi, Anno LXX, n. 6 - 11-12, 2015, http ://ronchi.isti.cnr.it.
  20. Abdalsattar Kareem Hashim, Laith Ahmed Najam, Lordford Tettey-Larbi, A Study of Radon Concentration in Different Brands Tobacco Cigarette in Iraqi Market, Influencing Factors and Lung Cancer Risk, International Journal of Science and Technology, Vol.5, Issue 10, 2015.
  21. Abdalsattar K. Hashim1, Laith A. Najam2, Alpha Radioactivity in Various Brands of Rice in Iraqi Market, International Journal of Environmental Monitoring and Protection, 2015; 2(5): 70-75, Published online September 22, 2015 (http://www.openscienceonline.com/journal/ijemp).
  22. Hussain A. Al-Jobouri, Mustafa Y. Rajab, Laith A. Najam, Analysis of Nuclear Track Parameters of CN-85 Detector Irradiated to Thermal Neutrons by Using MATLAB Program, Detection, Vol.3 No.4, October 2015, PP. 29-36, DOI: 10.4236/detection.2015.34005.
  23. Abdalsattar Kareem Hashim, Laith Ahmed Najam, Radium and Uranium Concentrations Measurements in Vegetables Samples of Iraq, Detection, Vol.3 No.4, October 2015, PP. 21-28, DOI: 10.4236/detection.2015.34004.
  24. Laith A. Najam, Shaher A. Younis, Assessment of Natural Radioactivity Level in Soil Samples for Selected Regions in Nineveh Province (IRAQ), International Journal of Novel Research in Physics Chemistry & Mathematics, Vol. 2, Issue 2, pp: (1-9), Month: May - August 2015, Available at: www.noveltyjournals.com.
  25. Saad N. Abood, Mohamed Bechir Ben Hamida, Laith A. Najim, Structure Evolution in Odd-Even Eu- 155 Nucleus within IBFM-2, American Journal of Modern Energy, 2015; 1(1): 17-24, Published online June 18, 2015. (http://www.sciencepublishinggroup.com/j/fhc) doi: 10.11648/j.ajme.20150101.12.
  26. Abdalsattar K Hashim, Laith A. Najam, Measurement of Uranium Concentrations, Radium Content and Radon Exhalation Rate in Iraqian Building Materials Samples, International Journal of Physics, 2015, Vol. 3, No. 4, 159-164. Available online at http://pubs.sciepub.com/ijp/3/4/4, Science and Education Publishing, DOI: 10.12691/ijp-3-4-4.
  27. Laith A. Najam, Nada F. Tafiq, Fouzey H. Kitah, Estimation of Natural Radioactivity of Some Medicinal or Herbal Plants Used in Iraq, Detection, Vol.3 No.1, January, 2015, 1-7.
  28. Laith A.Najam, Nada F. Tawfiq, Shaher A.Younis, A Comparative Study of the Results of Natural Radioactivity and the Associated Radiation Hazards of Na(Tl) and HPGe Detectors, International Journal of Recent Research and Review, Vol. VIII, Issue2, June 2015.
  29. F. A. Majeed and L. A. Najim, Contribution of high energy configurations to longitudinal and transverse form factors in p- and sd-shell nuclei, Indian J Phys (June 2015) 89(6):611–618, DOI: 10.1007/s12648-014-0622-3.
  30. Laith Ahmed Najam, Nada Fathil Tawfiq, Enas Mohmad Younis, Radon emanation from drinking water samples of Nineveh province (IRAQ), American Journal of Modern Physics (http://www.sciencepublishinggroup.com/j/ajmp), doi: 10.11648/j.ajmp.20140306.20, 2014; 3(6): 257-260.
  31. Laith A. Najam, Shaher A. Younis, Fouzey H. Kithah, Natural Radioactivity in Soil Samples in Nineveh Province and the Associated Radiation Hazards, International Journal of Physics, 2015, Vol. 3, No. 3, 126-132. http://pubs.sciepub.com/ijp/3/3/6, DOI: 10.12691/ijp-3-3-6.
  32. Laith A. Najam, Nada F. Tawfiq and Shaher A. Younis, Measurement of natural radioactivity in brick samples used in the construction in Iraq, Scholars Research Library, Archives of Physics Research, 2015, 6 (1): 13-19.
  33. Laith A. Najam, Nada F. Tawfiq and Fouzey H. Kitha, Measuring radioactivity level in various types of rice using NaI (Tl) detector, American Journal of Engineering Research (AJER), 2015, Volume-4, Issue-3, pp. 126-132.
  34. Ismail K. Abbas, Laith A. Najam, Abd U. A. Sulaiman, The Effect of Gamma Irradiation on the Structural Properties of Porous Silicon, International Journal of Physics, 2015, Vol. 3, No. 1, 1-7.
  35. Laith A. Najam, Ismail K. Abbas and Abd U. A. Sulaiman, The influence of gamma irradiation on the chemical and transport properties of porous silicon, Advances in Applied Science Research, 2014, 5(6): 218-223.
  36. Laith A. Najam, Nada F. Tawfiq and Fouzey Hasan Kitah,Measurement of Natural Radioactivity in Building Materials used in Iraq. Australian Journal of Basic and Applied Sciences, 7(1): 56-66, 2013. ISSN: 1991-8178.
  37. Najam, L.A., Salim Karim, M. and Khalid Hameed, T.,Evaluation of natural radioactivity of soil samples from different regions of Wassit governorate,Pollution, 3(1): 47-53, Winter 2017.
  38. Laith Ahmed Najam, Sameera Ahmed Ebrahiem, and Shaemaa Akram Abbas,Evaluation of natural radioactivity in Selected Soil Samples from the Archaeological of Ur City by using HPGedetector,WSN 62 (2017), 79-92.
  39. Laith Ahmed Najam, Sameera Ahmed Ebrahiem, Shaemaa Akram Abbas,MEASUREMENT OF RADIOACTIVITY IN SOME GRANITE SAMPLES BY USING (HPGE) DETECTOR,International Journal of Latest Trends in Engineering and Technology,Vol.(8)Issue(2), pp.146-150.
  40. Laith A. Najam , Fouad A. Majeed , Malik H. Kheder , Shaher A. Younis, Estimation the Radiological Hazard Effects for Soil Samples of Nineveh Province,International Journal of Physics, 2017,Vol. 5, No. 2, 53-56.
  41. A.A. Abojassim, L.A. Najam, D. Naji , T.A. Hussain, The effective radium content and radon exhalation rate in hair dyes samples, International Journal of Radiation Research, April 2017.

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Last Updated: June 2019.

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