Page 1
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 1
Simulation / Recon.
Workgroup summary for ACFA8
The Framework for Sim./Recon. Status report
Activity Report Tracking : Performance / IT config. CAL : Shower model / Perform. / PFA MUD : Full sim. Interface to LCBDS
Youngjoon Kwon (Yonsei Univ.)
A. Miyamoto
A. Yamaguchi,E. Won,
J.M. Chang, Y. Yamaguchi, S. Yamamoto,
H. Ono
Page 2
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 2
HY’s Charge to the ACFA8
Page 3
S/W Framework & the Tools
Page 4
What a good framework does …
*
* Copied from Miyamoto-san’s talk
Page 5
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 5
Page 6
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 6
QuickSim – update & performance
GLD-V2 : a new parameter file Beam pipe: r=1.5cm, Be, 25m Beam pipe & VTX layer#1 : not realistic yet TPC, CAL, etc.
Tracker performance
Page 7
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 7
QuickSim – performance
e+e- ZH jets)
a slight improv’t. over other versions,JLC2T, GLC3T
Page 8
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 8
Tools for Full Sim. / Recon.
Jupiter & Satellites
a framework based on JSF/ROOT & Geant4 7.0p1JSF – the analysis flow controller based on ROOTThe release includes event generators, QuickSim, and event display
Page 9
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 9
Jupiter Geometry
Solenoid
Hadron Calorimeter
Muon/Iron
Elemag. Calorimeter
IT VTX
Forward Cal.
QC1
TPC
initially based on GLD_v1 1.8cm, VTX+IT+TPC, 3T, etc. (not optimized yet…)
(+) new IR/VTX for 2mrad x-ing Work in progress for 20 mrad x-ing, FT, FCal, BCal
…
Page 10
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 10
Calorimeter Geometry
Page 11
Activity Report- tracking
Page 12
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 12
Tracking Performance (A. Yamaguchi)
To set performance goals for TPC in Pt resolution IP resolution Two-track separation
Use Jupiter with a cheated version of track-finder Track-fitting by Kalman filter Hybrid track-fitting with TPC+IT+VTX, with
• Energy loss• Multiple scattering
Page 15
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 15
IP resolution
Page 16
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 16
2-track sep. study
Page 17
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 17
IT configuration (E. Won)
GLD S/W & Sim. activities in Korea Configuration options for barrel IT Endcap IT – first thoughts
Page 18
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 18
Korean activities – just started
Page 19
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 19
Theme – with or w/o IT
Page 20
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 20
Variations
Page 21
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 21
End-cap IT – first thoughts
Page 22
Activity Report- CAL & MUD
Page 23
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 23
Shower Model Study (J. M. Chang)
EM shower models
Had shower models
Page 24
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 24
Compared for e-
Page 25
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 25
Compared for -
Page 26
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 26
Page 27
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 27
CAL full-sim. study (Y. Yamaguchi)
Full GLD sim, but w/ ideal geometry Every tower pointing to IP; and no crasks
Material study Performance test
EM CAL / HD CAL Test of fine-segmented, digital CAL
Page 28
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 28
EM CAL performance
Page 29
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 29
HD CAL performance
Data vs. MC?
Page 30
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 30
Fine-segmented CAL
Page 31
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 31
Performance of Digital CAL
Need: clustering algorithm for Digital CAL
Page 32
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 32
Study w/ cheated PFA (S. Yamamoto)
Cheated PFA? Why? – to assess ultimate jet-energy resolution How
Jet energy resolution study using c-PFA
CAL & tracker resolution Kink Acceptance hole?
Page 33
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 33
Page 34
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 34
Mz resolution for @ 91.187 GeV; width = 0?
Kink-treatment schemes
sigma = 2.79 w/o kink treatment
qqZ
Page 35
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 35
Det. Resolution effects
Page 36
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 36
=1.16 GeV unexplained
Page 37
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 37
MUD full-sim. study (H. Ono)
Implemented geometry & B field MUD response study Smearing & -finding under
construction
Page 38
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 38
Geometry of MUD
Active layer (10cm-thick, not segmented)
Air : Default, Gas chamber reserved Scintillator : test version
Absorber (40cm-thick) Iron (as a return yoke)
Barrel : 4 layers Endcap : 5+2(inner) layers Alternately placed barrel and
endcap layer Octagonal shape in the phi
direction Z direction
X-Y direction
Page 39
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 39
B-field mapping
“B-field direction and magnituderoughly followed Yamaoka-san’s results”
Page 40
4. MUD response with CAL information
1. Observed muon signal by muon detector2. Muons passing through the CAL3. Pion leakage from CAL (punch through)
e+e-→Z→qq (2 jets) event check
Single beam () test
4. Number of muons produced in Jets or created inside of the CAL
Unfortunately, solenoid is set to air at Jupiter default.I checked the interaction length as only 7.10 (CAL)
Ignored the solenoid material in this study
Page 41
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 41
Page 42
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 42
from jets
Page 43
ACFA8, July 11 - 14, 2005, Youngjoon Kwon (Yonsei Univ.) 43
Summary Since I am not a good person to make a
summary of summaries, I will quote one of the Miyamoto-san’s LCWS2005 slides
My thanks to all those who contributed to this group and gave very nice presentations!