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APPC2013 proceeding: revised upon request from editor

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2013-09-03 11:47:35 +09:00
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APPC2013/proceeding/proceeding.tex
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@@ -67,7 +67,7 @@ The $\mu - e $ conversion is attractive both from theoretical and experimental
points of view. Many extensions of the SM predict that it would has sizeable points of view. Many extensions of the SM predict that it would has sizeable
branching ratio~\cite{altman}. One possible supersymmetric contribution to the branching ratio~\cite{altman}. One possible supersymmetric contribution to the
$\mu - e$ conversion is shown in Fig.~\ref{fig:susy_contr}. Experimentally, the $\mu - e$ conversion is shown in Fig.~\ref{fig:susy_contr}. Experimentally, the
simplicity and distintive signal, a mono-energetic electron of energy $E_{e}$: simplicity and distinctive signal, a mono-energetic electron of energy $E_{e}$:
\[ \[
E_{e} = m_{\mu} - B_{\mu}(Z, A) - R(A) \simeq \textrm{105 MeV}, E_{e} = m_{\mu} - B_{\mu}(Z, A) - R(A) \simeq \textrm{105 MeV},
\] \]
@@ -169,7 +169,7 @@ detector is ongoing based on simulation studies and experiments with a test
chamber and test readout boards. chamber and test readout boards.
One designing issue with the CDC is that its single hit rate would be dominated One designing issue with the CDC is that its single hit rate would be dominated
by protons emitted after muons are captured in the target. The lack of by protons emitted after muons being captured in the target. The lack of
experimental data on protons from Al target makes it difficult to optimize experimental data on protons from Al target makes it difficult to optimize
the inner wall of the CDC to achieve best momentum resolution. In order to the inner wall of the CDC to achieve best momentum resolution. In order to
provide input for this optimization, a dedicated provide input for this optimization, a dedicated
@@ -195,17 +195,29 @@ developed by BINP, Novosibirsk, Russia group, and is being evaluated in the
beam tests at J-PARC. beam tests at J-PARC.
\subsection{Software and analysis} \subsection{Software and analysis}
Software used to simulate and analyse data is crucial to the success of the %Software used to simulate and analyze data is crucial to the success of the
%COMET experiment. The COMET software group has set up a new software framework
%called ICEDUST (Integrated COMET Experiment Data User Software Toolkit). The
%framework includes an improved simulation for the experiment. Two major improvements
%are: the ability to run the simulation on a computing grid for large simulation
%data production, and an optimized
%beam line with a realistic magnetic field map from the manufacturer of the
%superconducting magnets. The ICEDUST also
%has modules to perform calibration, reconstruction and analysis of both
%Monte-Carlo outputs and experimental data in a unified way. Documentations and
%implementations of the ICEDUST are underway.
The software used to simulate and analyze data is crucial to the success of the
COMET experiment. The COMET software group has set up a new software framework COMET experiment. The COMET software group has set up a new software framework
called ICEDUST (Integrated COMET Experiment Data User Software Toolkit). The called ICEDUST (Integrated COMET Experiment Data User Software Toolkit), which
framework includes an improved simulation for the experiment. Some improvements provides the ability to simulate, reconstruct and analyze data. The ability to
are: the ability to run the simulation on a computing grid for large simulation reconstruct and analyze data, treating simulated and real data in the same way,
data production, and an optimized is an essential feature that will allow COMET to achieve its sensitivity.
beam line with a realistic magnetic field map from the manufacturer of the ICEDUST uses accurate descriptions of the experiment geometry and magnetic
superconducting magnets. The ICEDUST also field maps from the manufacturer of the superconducting magnets. The framework
has modules to perform calibration, reconstruction and analysis of both also calibrates the data (through the use of constants stored in a database)
Monte-Carlo outputs and experimental data in a unified way. Documentations and and distributes the data and processing using the Grid. Implementation of
implementations of the ICEDUST are underway. COMET Phase-I in ICEDUST is currently underway.
\section{Summary} \section{Summary}
The COMET (J-PARC E21) experiment is going to push the limit of experimental The COMET (J-PARC E21) experiment is going to push the limit of experimental