Difference between revisions of "Sadiq Thesis Latex"

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=PDF=
 
  
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[[Media:Sadiq_hesis_Latex.pdf]]
 
  
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= Text =
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Sadiq Thesis in pdf: [[File:Sadiq_hesis_Latex.pdf]]
  
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= Introduction =
 
  
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%\begin{spacing}{1.5}
 
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\chapter{Introduction}
 
  
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=Chapter 1: Introduction [[File:sadiq_thesis_chapt_1.txt]]=
  
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\section{Positron Beam}
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=Chapter 2: Apparatus [[File:sadiq_thesis_chapt_2.txt]]=
  
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Positrons have many potentials in many discipline of science, like chemistry, physics, material science, surface science, biology and nanoscience~\cite{Chemerisov:2009zz} There are many different ways to generate positrons, and the main challenge is increasing the intensity (or current) of the positron beam.
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=Chapter 3: Data Analysis [[File:sadiq_thesis_chapt_3.txt]]=
  
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\section{Motivation}
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=Chapter 4: Simulation [[File:sadiq_thesis_chapt_4.txt]]=
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The nucleon electromagnetic form factors are fundamental  quantities that related to the charge and magnetization distribution in the nucleon. Conventionally, the nucleon form factors are measured using Rosenbluth Technique (RT)~\cite{Rosenbluth1950}. 
 
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The form factor scaling ratio,\begin{math}R=\mu _p G_{Ep} / G_{Mp}\end{math}, measured using this technique is around unity as shown in the figure below~\cite{PhysRevD.49.5671}.
 
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Since nighties, a technique using elastic electron-proton polarization transfer to measurement this ratio have been developed~\cite{PhysRevD.49.5671, PhysRevC.68.034325, WalkerThesis1989}. In this technique, form factor scaling ratio linearly decreases as the the \begin{math}Q^2\end{math} increases, as shown in the Fig.~\ref{rosen-com-RPT}.
 
  
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\begin{figure}[htb]
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=Chapter 5: Conclusion [[File:sadiq_thesis_chapt_5.txt]]=
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\centering
 
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\includegraphics[scale=0.70]{1-Introduction/Figures/Sadiq_thesis_mot_RT_RPT_1.png}
 
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\caption{Form factor ratio, obtained by Rosenbluth Technique (hollow square) and results from Recoil Polarization Technique~\cite{PhysRevC.68.034325}.}
 
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\label{rosen-com-RPT}
 
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\end{figure}
 
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The disagreement could arise from the fact the Rosenbluth Techqniue assumes that One Photon Exchange (OPE) during the scattering while the two–photon exchange (TPE), which depends weakly on \begin{math}Q^2\end{math}, could also become considerable with increasing \begin{math}Q^2\end{math}  ~\cite{PhysRevC.68.034325}. The contribution of TPE can be obtained by comparing the ratio of \begin{math}e^+~p\end{math} to \begin{math}e^-~p\end{math} ratio. The interference of OPE and TPE can also be studied in the process \begin{math}e^+e^- \rightarrow p\bar p\end{math}
 
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%\end{spacing}
 

Latest revision as of 17:42, 14 March 2014


Sadiq Thesis in pdf: File:Sadiq hesis Latex.pdf


Chapter 1: Introduction File:Sadiq thesis chapt 1.txt

Chapter 2: Apparatus File:Sadiq thesis chapt 2.txt

Chapter 3: Data Analysis File:Sadiq thesis chapt 3.txt

Chapter 4: Simulation File:Sadiq thesis chapt 4.txt

Chapter 5: Conclusion File:Sadiq thesis chapt 5.txt

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