From 89bbb7b88aa73a6822b6eabf06e4d4f71989a99b Mon Sep 17 00:00:00 2001 From: nam Date: Tue, 3 Sep 2013 11:47:35 +0900 Subject: [PATCH] APPC2013 proceeding: revised upon request from editor --- APPC2013/proceeding/proceeding.tex | 36 ++++++++++++++++++++---------- 1 file changed, 24 insertions(+), 12 deletions(-) diff --git a/APPC2013/proceeding/proceeding.tex b/APPC2013/proceeding/proceeding.tex index 059acbb..5e9b573 100644 --- a/APPC2013/proceeding/proceeding.tex +++ b/APPC2013/proceeding/proceeding.tex @@ -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 branching ratio~\cite{altman}. One possible supersymmetric contribution to 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 $E_{e}$: \[ E_{e} = m_{\mu} - B_{\mu}(Z, A) - R(A) \simeq \textrm{105 MeV}, \] @@ -169,7 +169,7 @@ detector is ongoing based on simulation studies and experiments with a test chamber and test readout boards. 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 the inner wall of the CDC to achieve best momentum resolution. In order to 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. \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 -called ICEDUST (Integrated COMET Experiment Data User Software Toolkit). The -framework includes an improved simulation for the experiment. Some 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. +called ICEDUST (Integrated COMET Experiment Data User Software Toolkit), which +provides the ability to simulate, reconstruct and analyze data. The ability to +reconstruct and analyze data, treating simulated and real data in the same way, +is an essential feature that will allow COMET to achieve its sensitivity. +ICEDUST uses accurate descriptions of the experiment geometry and magnetic +field maps from the manufacturer of the superconducting magnets. The framework +also calibrates the data (through the use of constants stored in a database) +and distributes the data and processing using the Grid. Implementation of +COMET Phase-I in ICEDUST is currently underway. \section{Summary} The COMET (J-PARC E21) experiment is going to push the limit of experimental