Cancer Risk Assessment and Radioactivity Levels in Drinking Water
Samples from Sidfa and El-Ghanayim, Assiut, Upper Egypt

Research Abstract

NULL

Research Authors
Ghada Salaheldin, Hany El-Gamal, Ahmed Sefelnasr, ⃰Mohamed Omer,
and A.I.Abd El-Mageed
Research Department
Department of Geology
Research Journal
IOSR Journal of Applied Physics (IOSR-JAP)
e-ISSN: 2278-4861.Volume 9, Issue 6 Ver. II (Nov. - Dec. 2017), PP 54-60
www.iosrjournals.org
Research Member
Ahmed Mostafa Sefelnasr Mostafa
Research Pages
NULL
Research Publisher
NULL
Research Rank
1
Research Vol
NULL
Research Website
NULL
Research Year
2017

Cancer Risk Assessment and Radioactivity Levels in Drinking Water
Samples from Sidfa and El-Ghanayim, Assiut, Upper Egypt

Research Abstract

NULL

Research Authors
Ghada Salaheldin, Hany El-Gamal, Ahmed Sefelnasr, ⃰Mohamed Omer,
and A.I.Abd El-Mageed
Research Department
Department of physics
Research Journal
IOSR Journal of Applied Physics (IOSR-JAP)
e-ISSN: 2278-4861.Volume 9, Issue 6 Ver. II (Nov. - Dec. 2017), PP 54-60
www.iosrjournals.org
Research Member
Hany Tawfik Mohamed El-Gamal
Research Pages
NULL
Research Publisher
NULL
Research Rank
1
Research Vol
NULL
Research Website
NULL
Research Year
2017

Cancer Risk Assessment and Radioactivity Levels in Drinking Water
Samples from Sidfa and El-Ghanayim, Assiut, Upper Egypt

Research Abstract

NULL

Research Authors
Ghada Salaheldin, Hany El-Gamal, Ahmed Sefelnasr, ⃰Mohamed Omer,
and A.I.Abd El-Mageed
Research Department
Department of physics
Research Journal
IOSR Journal of Applied Physics (IOSR-JAP)
e-ISSN: 2278-4861.Volume 9, Issue 6 Ver. II (Nov. - Dec. 2017), PP 54-60
www.iosrjournals.org
Research Member
Mohamed Omer
Research Pages
NULL
Research Publisher
NULL
Research Rank
1
Research Vol
NULL
Research Website
NULL
Research Year
2017

Cancer Risk Assessment and Radioactivity Levels in Drinking Water
Samples from Sidfa and El-Ghanayim, Assiut, Upper Egypt

Research Abstract

NULL

Research Authors
Ghada Salaheldin, Hany El-Gamal, Ahmed Sefelnasr, ⃰Mohamed Omer,
and A.I.Abd El-Mageed
Research Department
Department of physics
Research Journal
IOSR Journal of Applied Physics (IOSR-JAP)
e-ISSN: 2278-4861.Volume 9, Issue 6 Ver. II (Nov. - Dec. 2017), PP 54-60
www.iosrjournals.org
Research Member
Ghada Salaheldin Mohamed Hassan
Research Pages
NULL
Research Publisher
NULL
Research Rank
1
Research Vol
NULL
Research Website
NULL
Research Year
2017

Investigating the Radioactivity of the groundwater within the
Quaternary aquifer and its Environmental Impact: Dairut, Assiut,
Egypt

Research Abstract

NULL

Research Authors
Gh.S.M.Hassan, Hany El-Gamal, Ahmed Sefelnasr, M.Omer, A.I.Abd ElMageed
Research Department
Department of Geology
Research Journal
Assiut Univ. J. of Physics
46(1), p-p11-22(2017)
Research Member
Ahmed Mostafa Sefelnasr Mostafa
Research Pages
NULL
Research Publisher
NULL
Research Rank
2
Research Vol
NULL
Research Website
NULL
Research Year
2017

Investigating the Radioactivity of the groundwater within the
Quaternary aquifer and its Environmental Impact: Dairut, Assiut,
Egypt

Research Abstract

NULL

Research Authors
Gh.S.M.Hassan, Hany El-Gamal, Ahmed Sefelnasr, M.Omer, A.I.Abd ElMageed
Research Department
Department of physics
Research Journal
Assiut Univ. J. of Physics
46(1), p-p11-22(2017)
Research Member
Hany Tawfik Mohamed El-Gamal
Research Pages
NULL
Research Publisher
NULL
Research Rank
2
Research Vol
NULL
Research Website
NULL
Research Year
2017

Investigating the Radioactivity of the groundwater within the
Quaternary aquifer and its Environmental Impact: Dairut, Assiut,
Egypt

Research Abstract

NULL

Research Authors
Gh.S.M.Hassan, Hany El-Gamal, Ahmed Sefelnasr, M.Omer, A.I.Abd ElMageed
Research Department
Department of physics
Research Journal
Assiut Univ. J. of Physics
46(1), p-p11-22(2017)
Research Member
Abd Allah Ibrahim Abdel-mageed Ismaeel
Research Pages
NULL
Research Publisher
NULL
Research Rank
2
Research Vol
NULL
Research Website
NULL
Research Year
2017

Investigating the Radioactivity of the groundwater within the
Quaternary aquifer and its Environmental Impact: Dairut, Assiut,
Egypt

Research Abstract

NULL

Research Authors
Gh.S.M.Hassan, Hany El-Gamal, Ahmed Sefelnasr, M.Omer, A.I.Abd ElMageed
Research Department
Department of physics
Research Journal
Assiut Univ. J. of Physics
46(1), p-p11-22(2017)
Research Member
Mohamed Omer
Research Pages
NULL
Research Publisher
NULL
Research Rank
2
Research Vol
NULL
Research Website
NULL
Research Year
2017

Investigating the Radioactivity of the groundwater within the
Quaternary aquifer and its Environmental Impact: Dairut, Assiut,
Egypt

Research Abstract

NULL

Research Authors
Gh.S.M.Hassan, Hany El-Gamal, Ahmed Sefelnasr, M.Omer, A.I.Abd ElMageed
Research Department
Department of physics
Research Journal
Assiut Univ. J. of Physics
46(1), p-p11-22(2017)
Research Member
Ghada Salaheldin Mohamed Hassan
Research Pages
NULL
Research Publisher
NULL
Research Rank
2
Research Vol
NULL
Research Website
NULL
Research Year
2017

Nonlinear theory of a Cherenkov free-electron laser

Research Abstract

Plasma fluid and Maxwell equations are used to derive an analytical expression for the high-gain of a Cherenkov Free-Electron Laser (FEL). The evolution of the gain from the linear to the non-linear regime is investigated. The gain expression is then generalized to predict the linear and non-linear effects at any stage of interaction, permitting us to identify the criteria of optimal design of Cherenkov FELs. In this study, the spatial dependence of the characterizing parameters of electron beam velocity and density, such as the average value and modulation amplitude, are considered. Also, the phase shift between the bunched electrons and the radiation field is taken into account. In the linear limit, it is shown that our gain expression agrees satisfactorily with those obtained in previous studies.

Research Authors
Hesham Fares
Mohamed Mahmoud
Research Department
Department of physics
Research Journal
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Research Member
Mohamed Mahmoud Ali
Research Pages
1-7
Research Publisher
Hesham fares
Research Rank
1
Research Vol
976 - 164256
Research Website
https://www.sciencedirect.com/science/article/pii/S0168900220306525
Research Year
2020
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