1. 1 Software tools and Computing Akiya Miyamoto KEK Gakujyutsu Sousei Kaigi 28-June 2006 KEK 4 th Building Seminar Hall

2. 2 lcbase : configuration files Leda : Analysis tools (Kalman fitter, 4vector and jet findinder utilities ) jsf : Root-based framework lclib : QuickSim and other fortran based utilities physsim : Helas-based generator Jupiter : Full simulation based on Geant4 Uranus : Data analysis packages Satellites : Data analysis packages for MC data List of our tools Mainly for physics studies Mainly for detector studies

3. 3 QuickSim overview Purpose: simulate detector effects for physics study Components:  VTX, IT, TPC, CAL Model for tracker  circular trajectory  parabolic trajectory  With multiple scattering, without energy loss  Equally spacing sampling Model for Calorimeter  EM signal by e/ , HD signal by hadron, muon no signal  Segmented calorimeter. Lateral spreads are generated by an analytic form. Detector configuration is determined by input ASCII file.

4. 4 QucikSim Parameters Detector performance is determined by input parameters.  Parameter set gld_v3.comgld_v4.com Energy resolution of each cell and cell sizes are adjusted Configuration files are at http://ilcphys.kek.jp/soft/samples_dod/dec05/index.html

5. 5 QuickSim Tracker performance Momentum resolution similar to the Jupiter/Satellites result IP resolution at 1 GeV is about factor 2 worse than the Jupiter/Satellites result

6. 6 Tools for Full Simulation studies JUPITER JLC Unified Particle Interaction and Tracking EmulatoR IO Input/Output module set URANUS LEDA Monte-Calro Exact hits To Intermediate Simulated output Unified Reconstruction and ANalysis Utility Set Library Extention for Data Analysis METIS Satellites Geant4 based Simulator JSF/ROOT based Framework JSF: the analysis flow controller based on ROOT The release includes event generators, Quick Simulator, and simple event display MC truth generator Event Reconstruction Tools for simulation Tools For real data

7. 7 Need full ptr. To MCParticle For background study  IR components are defined by a ASCII data file.  Default: 2 mrad  But the current one may not be the latest …  Prepare data file for 14mrad X-ing.  DID/Anti-DID map  was prepared, but lost.  Interface to LCBDS  Through AscII StdHep New geometry  Non-Tower ( StripTile ) CAL geometry  Takeshita  FCAL/BCAL sensitive detector  Muon detector Improve LCIO compatibility Update to the latest Geant4 (4.8) Jupiter to do list (Dec. 05) Done (Jun. 06)

8. 8 History keeper implemented Study in progress Reconstruction to do – 1 (Dec.05) PFA  Cheated PFA : unknown 1.16 GeV almost understand.  Considering major Jupiter modification ???  Realistic PFA  Tower geometry : –38 %/Sqrt(E) at Zpole  –~ 90%/Sqrt(E) at 500GeV  Need to improve  finding eff.  Non-Tower (Strip/Tile) Geometry: –Apply Yoshioka/Fujikawa algorithm ? –New algorithm for strip configuration ? Muon reconstruction  With Muon Detector  With Calorimeter (Jun.06) Work in progress  Not yet

9. 9 Forward Region BCAL : Total Z length 20 cm 30 layers of 3mm thick Tungsten + 0.3mm thick Si. + Air gap (Not the latest) FCAL Front and Tail: 30 layers of 3mm Thick Tungsten + 0.3mm thick Si + Air gap (Not the latest) HDCAL QC1 MUD CH2 Mask TPC EMCAL FCAL BCAL Response to 10GeV e+

10. 10 Reconstruction to do – 2 (Dec.05) Tracking  Momentum resolution for TPC/IT/VTX  done  Track finding in TPC  Track finder for Vertex with background hits.  IT + Vertex track fitting/finding Vertexing  Impact parameter resolution  done  Flavour tagging, vertex charge reconstruction LCIO compatibility  PFO 4 vectors  Hits, cluster, … IT findingb YGKim In progress (Jun.06) LCIO  JSF : planing Not yet

11. Gamma : May06 Jun06 EM Constant: 24.1237EM Constant: 24.3367

12. Kaon 0L : May06 Jun06 HD Constant: 29.9906 HD Constant: 33.5625

13. Cheated PFA : uds91 GeV May06 Jun06 Mar06 (Tower) Geant4.8 Dec05 (Tower) Geant4.7

14. 14 Common Datasets ( Dec.05) Priori ty ProcessGen Data sample Meas. 1Single particle: e, , K +-, K S 0,  0<|cos  | < 1, p < 500GeV SLAC  E,  P 1e + e -  uds, cc, bb at Zpole, 300GeV, 500GeV, 1000 GeV SLAC EE 2e + e -  ee @ 1000 GeV ? EE 2e + e -  ZH  ll X, Mh=120GeV @ 300 GeV?Pythia ? MHMH 3e + e -  ZH  bb, ccPythia ? MHMH 4SUSY Processes ? ?? ?Two Photon background events? More processes …

15. 15 Common data sample (Jun06) Full simulation data sample for detector stuides  Data sets: dec05, mar06, may06, jun06  Links available at http://ilcphys.kek.jp/soft/http://ilcphys.kek.jp/soft/  A kind of data  Single , k0L, ,  0, e-, at 1 – 500 GeV : 1K or 10k events  E+e-  uds quarks pair, ccbar, bbar at 91.18, 200, 350, 500, 10k-20k events  Cain background data  E+e-  ZH  lepton + qqbar, 4-jet, 2-jet events at 350 GeV  Producing data as much as possible. Statistics limited by CPU resources. For example, with Xenon 3GHz  Uds 91.18 GeV : 10 k events : 11.7 CPU days/17GB  Uds 500 GeV: 10k events(~O(10 1/fb)): 37.7 days/34GB  CAIN 10 bunch data: 48GB

16. 16 Towards GRID Needs for GRID  At each institutes, computing resources are hidden behind firewall  Current solutions  WEB/FTP : needs to transfer data inside fire wall to outside  VPN : Can make a direct connection, but not efficient to transfer large data  Future solutions (hope)  Share data by Data GRID  Middle ware: –EU – LCG, NA – OSG, Belle Other GRID system –ECFA group: Developed ILC VO on LCG –KEKCC: Development – new middle ware. Will support LCG.  How to proceed –Define ILC VO using KEKCC hardware + disks for ILC  Trying to connect to Tohoku and Kobe  First use will be to share CAIN data  Collect information from outside Japan