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%% Sample TeX file for the HRMS Dijon 2023 abstracts
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%% Lines (or parts of) beginning with at least one '%' are comments 
%% and are silently ignored by LaTeX
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%% Codings beginning with \ are LaTeX macros, or commands.
%% They are used to tell the LaTeX parser how to format the document.
%% All the macros below are mandatory.
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%% Various informations about latex may be found at
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%%   http://en.wikibooks.org/wiki/LaTeX
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\documentclass[11pt]{article}

\usepackage{hrms}  %% Page settings, style ... for the HRMS abstract book.

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\title{MEASURING THE SUBMILLIMETER WAVE SPECTRUM OF METHYL-HYPOCHLORITE UP TO 500 GHz}

%% Note that \author and \address macros must be paired.
%% The names of authors must also appear IN CAPITALS.
%% The name(s) of author(s) presenting the work is(are) usually underlined.

\author{\underline{\FirstName B. M. \LastName HAYS},
  \FirstName L. \LastName MARGULES,
  \FirstName R. A. \LastName MOTIYENKO}
\address{Univ. Lille, CNRS, UMR 8523 - PhLAM - Physique des Lasers Atomes et Mol\'{e}cules, F-59000 Lille}

%% The \FirstName and \LastName macros are mandatory for each author
%% to make sure that the author index is properly auto-generated.
%% Otherwise, these macros do nothing in particular.

%% Add or remove \author and \address pair(s) below to suite your needs
\author{\FirstName J.-C. \LastName GUILLEMIN}
  
\address{UMR 6226 CNRS - ENSCR, Institut des Sciences Chimiques de Rennes, Rennes, France}

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%% Place below other \usepackage{ ... }, if you need other packages.
%% See http://www.tug.org/texlive/doc.html for a description of available packages.

%% The macros below will change the page head and foot.
%% Please, do not modify the content of the \fancyhead macro nor the \fancyfoot line.
\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhead[C]{{\footnotesize \textit{HRMS, 28th Colloquium, Dijon, France,
  Aug. 28 - Sept. 1, 2023}}}
\fancyfoot[C]{}
\renewcommand{\headrulewidth}{0.6pt}
\renewcommand{\footrulewidth}{0.6pt}

%% The hyperref package allows to include hyperlinks in a document.
%% See the instructions for abstract submission for more details.
%% WARNING: Make sure that this package comes LAST since it re-defines many LaTeX macros.
\usepackage[colorlinks=true,urlcolor=blue,linkcolor=blue,citecolor=blue]{hyperref}
\voffset -.65 cm

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\category {4,8}
\category {4,8}
\begin{document}

\maketitle  %% This will also build the list of author(s) and addresse(s).

%% Index macro(s): see the abstract samples and the instructions
%% Remove the %% to account for the index item(s)
%% \index{}
%% \index{}

%% Place the body of your abstract below.
Chlorine containing organic molecules are important reactants in Earth`s atmosphere 
contributing to ozone layer loss. The simplest oxygen bearing organochloride, methyl 
hypochlorite CH$_{3}$OCl, is expected to be a product in ozone hole chemistry. Interstellar
 chemistry of chlorine containing organic molecules has received recent interest through the
 detection of the methylchloride in a cometary and a low mass protostar. Searches for more
 complex organochlorides maybe limited due to lack of available spectra, so we synthesized
 and recorded the submillimeter wave spectrum of methyl hypochlorite between 150-500 GHz
 using absorption spectroscopy. The fitted spectra are extended from previous studies up 500
 GHz for both chlorine isotopologues. These spectra are complicated due to both hyperfine
 splitting from the chlorine nucleus and tunneling splitting due to internal rotation,
 warranting the use a Hamiltonian that can account for both. The details of the spectroscopic
 analysis and prospects for detection in space will be discussed.

\end{document}
