Seq. Number (TBA   )
Research Plan at RIKEN CC-J 
				          Date: 25/12/02 (DD/MM/YY)

To: the Planning and Coordination Office of RIKEN CC-J

Reseach Subject : Searching for Non-hadronic sources of photons in Au+Au
Collisions at $\sqrt{s_{NN}}$=200GeV at RHIC-PHENIX

Person responsible for this reserch:
Name : Takao Sakaguchi
Tel/Fax : +81-48-464-4585
E-mail : takao@phenix.cns.s.u-tokyo.ac.jp

Person responsible for the job submission:
Name : Takao Sakaguchi
Tel/Fax : +81-48-464-4585
E-mail : takao@phenix.cns.s.u-tokyo.ac.jp

Other collabrators in this research subject:
Name :
tel/Fax:
E-mai:

Summary of this research (10-100 lines)
The research is for searching non-hadronic sources of photons in
Au+Au collisions using PHENIX EMCal. For Year-1 data, the systematic
error of 22-37\,\% could not be reduced because of poor understanding
of the discrepancy between the experiment and simulation data. Also,
the statistics of good events are not sufficient. In Year-2, it become
more realistic to deduce the non-hadronic contribution of photons using
around 10-20 times good events. The CC-J will be mostly used for the
calculation of photons contributed from hadronic sources, and an additional
analysis for understanding the discrepancy of the experiment and
simulation data.


Estimated CPU time required : Totally ~40000 hours (with Pentium III 850MHz)
  

Estimated disk space usage required : 500 GB
 

Estimated HPSS space usage required : 500 GB


Target date for completion : 30 / 06 / 03   (DD/MM/YY)


Plan for the publication of this result (if possible)
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