Efficiency of a cubic NaI (Tl) detector with rectangular cavity using standard radioactive point sources placed at non-axial position MI Abbas, MS Badawi, AA Thabet, YN Kopatch, IN Ruskov, ... Applied Radiation and Isotopes 163, 109139, 2020 | 32 | 2020 |

Characterization of the efficiency of a cubic NaI detector with rectangular cavity for axially positioned sources MS Badawi, S Noureddine, YN Kopatch, MI Abbas, IN Ruskov, ... Journal of Instrumentation 15 (02), P02013, 2020 | 29 | 2020 |

Mathematical method to calculate full-energy peak efficiency of detectors based on transfer technique MM Gouda, A Hamzawy, MS Badawi, AM El-Khatib, AA Thabet, MI Abbas Indian Journal of Physics 90, 201-210, 2016 | 23 | 2016 |

NaI cubic detector full-energy peak efficiency, including coincidence and self-absorption corrections for rectangular sources using analytical method MI Abbas, M Elsafi, MM Gouda, M Abd-Elzaher, A Hamzawy, MS Badawi, ... Journal of Radioanalytical and Nuclear Chemistry 327, 251-258, 2021 | 22 | 2021 |

Validation of analytical formula for the efficiency calibration of gamma detectors using coaxial and off-axis extended sources A Hamzawy Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2010 | 14 | 2010 |

New numerical simulation method to calibrate the regular hexagonal NaI (Tl) detector with radioactive point sources situated non-axial A Hamzawy, DN Grozdanov, MS Badawi, FA Aliyev, AA Thabet, MI Abbas, ... Review of Scientific Instruments 87 (11), 2016 | 13 | 2016 |

Simple analytical formula to calculate γ-ray cylindrical detectors efficiencies A Hamzawy Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2010 | 13 | 2010 |

New mathematical approach to calculate the geometrical efficiency using different radioactive sources with gamma-ray cylindrical shape detectors AA Thabet, A Hamzawy, MS Badawi Nuclear Engineering and Technology 52 (6), 1271-1276, 2020 | 11 | 2020 |

Determination of the full-energy peak efficiency in gamma-ray spectroscopy using cylindrical sources perpendicular and parallel to the detector axis MS Badawi, MM Gouda, A Hamzawy, AM El-Khatib, MI Abbas Jokull Journal 64 (2), 2014 | 10 | 2014 |

New numerical algorithm method to calibrate the HPGe cylindrical detectors using non-axial extended source geometries AHA Sherif S. Nafee, Mohamed S. Badawi Applied RadiationandIsotopes, 1809–1815, 2010 | 8* | 2010 |

New analytical approach to calculate the detector efficiencies of NaI (Tl) using coaxial and off-axis rectangular and parallelepiped sources A Hamzawy Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2014 | 7 | 2014 |

Accurate direct mathematical determination of the efficiencies of gamma detectors arising from radioactive sources of different shapes A Hamzawy Ph. D. Dissertation. Alexandria University, Egypt, 2004 | 6 | 2004 |

Compton scattering I: Angular distribution and polarization degree A Hamzawy Radiation Physics and Chemistry 119, 103-108, 2016 | 5 | 2016 |

Calculation of the full-energy peak efficiency of NaI (Tl) detector using the efficiency transfer method for large radioactive cylindrical sources AM El-Khatib, MM Gouda, MS Badawi, A Hamzawy, NS Hussien, ... Chinese Journal of Physics 54 (4), 592-606, 2016 | 4 | 2016 |

Geometrical and total efficiencies of CdZnTe rectangular parallelepiped detector using arbitrary positioned point, plane, and volumetric sources A Hamzawy, MS Badawi, AA Thabet, MM Gouda, AM El-Khatib, MI Abbas Review of Scientific Instruments 87 (2), 2016 | 3 | 2016 |

Direct calculation of the energy peak efficiency of cylindrical scintillation detector for an axial point source YS Selim, A Hamzawy, AM El-Khatib, MA Fawzy Egypt. J. Phys. 32 (2), 165-171, 2001 | 3 | 2001 |

Hybrid analytical method for calibrating a standard NaI (Tl) gamma-ray scintillation detector using a lateral hexagonal radioactive source MS Badawi, A Hamzawy, AA Thabet AIP Advances 12 (6), 2022 | 2 | 2022 |

Correction to: NaI cubic detector full‑energy peak efficiency, including coincidence and self‑absorption corrections for rectangular sources using analytical method MI Abbas, M Elsafi, MM Gouda, M Abd‑Elzaher, A Hamzawy, MS Badawi, ... Journal of Radioanalytical and Nuclear Chemistry 327, 1391-1391, 2021 | | 2021 |