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\usepackage[pdfauthor={Aditya Dev},
            pdftitle={Neutrino Mass Models},
            pdfsubject={PHY655 TermPaper (Spring Semester 2023)},
            pdfkeywords={Neutrino mass, Dirac particle, Majorana Particle, CPT, Mass models, Neutrino Oscillations}
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\begin{document}


\title[PHY655 TermPaper (Spring Semester 2023)]{Neutrino Mass Models}
%\thanks{Footnote to title of article.}

\author{Aditya Dev \small (MS19022) }
 \email{adityadev.iisermohali@gmail.com}
\affiliation{Department of Physical Sciences, Indian Institute of Science Education and Research Mohali}%



\date{\today}% It is always \today, today,
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\begin{abstract}
This term paper provides a review of various neutrino mass models and their implications for particle physics and the Standard Model. We discuss how mass terms are incorporated into the Standard Model, including the Dirac mass term and the Majorana mechanism. We explore experimental evidence supporting the existence of non-zero neutrino mass and discuss the formalism of neutrino oscillations. Additionally, we provide an overview of some famous radiative neutrino mass models. 
\end{abstract}

\keywords{Neutrino mass, Dirac particle, Majorana Particle, CPT, Mass models, Neutrino Oscillations}%Use showkeys class option if keyword
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\input{sections/introduction}
 
\input{sections/neutrino_oscillations}

\input{sections/cp_viloation}


\input{sections/two_and_three_neutrino_mixing}

\input{sections/sm_mass_dirac}

\input{sections/majorana_mass_mechanism}

\input{sections/mass_mechanisms}

\input{sections/radiative_corrections}

\input{sections/implication_of_neutrino_mass}

\section{Conclusion}
In this term paper, we elucidate various mechanisms to generate non-zero neutrino mass. We begin with a discussion on the history of neutrinos and their discovery in Section~\ref{sec:intro}. In Section~\ref{sec:neutrino_oscillations}, we introduce the neutrino oscillation and develop the general mathematical formalism for the neutrino oscillation, applying it to two- and three-flavor mixing in the cases of atmospheric and solar neutrinos, respectively. Section~\ref{sec:mass_in_sm} provides a comprehensive description of various mass terms in the Standard Model and their implications. Finally, in Section~\ref{sec:mass_mechanism}, we discuss various mass mechanisms to generate neutrino mass, including Type I and Type II seesaw mechanisms, as well as radiative corrections. There is a vast body of literature on Neutrino Physics and open questions in neutrino physics, and this term paper covers only some aspects of it. Interested readers are encouraged to refer to the references (\textit{and the references within}) below for more up-to-date and comprehensive discussions on Neutrino Physics, especially [Ref~\onlinecite{boyd, bouchandthesis, ma_arxiv, zuber2020neutrino, Dighe, King_2004, Mohapatra:2005wg}]. For a nice list of open questions in neutrino physics, one may refer to [Ref~\onlinecite{Smirnov_2004}]. 

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\section*{Appendix}
\appendix
\input{sections/appendix}
\section*{Refrences}
\bibliography{references}% Produces the bibliography via BibTeX.
\end{document}
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