2nd KILC Workshop @ PAL J.S. SUH WG1 Report Detector Jun-Suhk Suh KNU/CHEP 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH Plastic Scintillation Tile Detector High Energy Particle WLS(Wavelength Shifting) fiber SiPM Plastic Scintillator 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH Tile Calorimeter R&D Prototype Layout One Layer : Wolfram 20cm X 20cm X 0.3cm Scintillator 1cm X 20cm X 0.2cm X 20  Total: 30 Layers Wolfram Scintillator 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH Profile of a Scintillator Strip 5 10 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH Scintillator strip with reflective cap Plastic Scintillator 0.25 mm TiO2 Reflective Cap WLS fiber 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH R&D of Scintillator R&D of dopants (primary & secondary) PT(p-Teraphenyl) & DPS(trans-4,4’-diphenylstilbene): D0, STAR PPO(2,5-biphenyloxazole) & POPOP(1,4-bis(5-Phenyloxazole-2-yl)benzene): MINOS R&D of groove (length, depth & shape) Design optimization (length, width, Thickness) R&D of Light yield 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH SiPM test at KNU Blue LED SiPM 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH SiPM R&D Plan Design and fabrication of SiPM: Cowork with Japan, Russia & other Korean institute or company R&D for better quantum efficiency Readout and DC power module for prototype calorimeter 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH 시뮬레이션: MOKKA 모의실험 sqrt(s)=500GeV에서의 Neutralino 쌍생성 모의 실험 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH Simulation: 향후 계획 LC 모의실험을 위한 독자적 데이터베이스 구축/운영을 통한 모의실험 환경구축 Geant4를 이용, 텅스텐+섬광판 형태의 검출기 시제품 모사를 위한 Code개발 MOKKA를 이용, 텅스텐+섬광판 형태의 검출기를 EM Calorimeter로 사용할 경우에 대한 모의 실험 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH 토론 내용 현재 연구&개발이 계속 진행중이고 앞으로도 계속될 것이므로, Silicon Tracker와 Calorimeter (SiCal & TiCal)의 R&D 를 parallel 하게 계속 진행. Beam pipes or beam focusing etc. : 아직 활발히 연구되고 있지는 않지만 관심을 가지고 지켜보자. Physics/detector 서로 관심을 갖고 앞으로도 계속 서로 협력하여 진행. 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH Backup 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH 예시 – 모의실험 내용 sqrt(s)=500GeV에서의 Neutralino 쌍생성 모의 실험 SUGRA parameters - m0 = 450 GeV - m1/2 = 100 GeV - tan  = 10 - sign() = +1 - R parity conserved Generator : susygen 3.0 Production cross section = 46 fb 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

2nd KILC Workshop @ PAL J.S. SUH Physics/Detector - R&D status in detail - Areas of Korean Interests to be pursued one Major vs two Majors and which subsystem ? one technology or two technologies in parallel for each majors ? detector / accelerator interfacing (beam pipes or beam focusing etc.) 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH

Activities on tracker and calorimeter of Korean physicists Silicon Tracker Calorimeter Silicon-Tungsten Tile-Tungsten 12/29/2004 2nd KILC Workshop @ PAL J.S. SUH