esearch Plan at RIKEN CC-J Date: 22 / 02 / 2012 (DD/MM/YY) To: the Planning and Coordination Office of RIKEN CC-J Reseach Subject : Performance study of PHENIX Forward Detectors (PHENIX official or not : no ) Person responsible for this reserch: Name : Yoshimitsu Imazu Tel/Fax : 048-467-9347 (x3293, x4477) E-mail : imazu@riken.jp Person responsible for the job submission: Name : Yoshimitsu Imazu Tel/Fax : 048-467-9347 E-mail : imazu@riken.jp Other collabrators in this research subject: Name : Hideyuki Oide tel/Fax: E-mai: oide@icepp.s.u-tokyo.ac.jp Summary of this research (5-10 lines) We are now observing unexpected performance degradation of PHENIX forward detectors associated with the increase of beam luminosity. We intend to perform studies to make sure of fundamental performance of those detectors, to be specific, MuTR, MuID and RPC. Those studies will help us understand realistic/actual performance of those detectors in those circumstances. Results will be reflected to possible improvement on PHENIX offline and online/trigger algorithm. Estimated CPU time required : 200 hours in total Estimated disk space usage required : 500 GB Estimated HPSS space usage required : 0 HPSS band width for above estimate : 0 MB/s Target date for completion (cpu) : 31/08/2012 (DD/MM/YY) (disk): 31/08/2012 Plan for the publication of this result (if possible): no Other useful information