TOFp Status Report Introduction: system overview Functional requirements Analysis status track...
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Nantes, July 2002Frank Geurts -- STAR collaboration Meeting 3 Functional Requirements momentum p from tracking path length s from track extrapolation time t from time of flight: t start -t stop mass resolution: Δp/p = 1.3% Δs/s = 0.2% Δt ≤ 100ps and 7 < t < 25ns m [GeV/c 2 ] p [GeV/c] (1+1)σ particle separation (100ps): η=0 η=1 π/K1.6 GeV/c2.0 GeV/c (π+K)/p2.6 GeV/c3.2 GeV/c (π+K+p)/d4.0 GeV/c4.8 GeV/c Δ t [ps] p [GeV/c] π K p η=0 η=1
Transcript of TOFp Status Report Introduction: system overview Functional requirements Analysis status track...
TOFp Status Report Introduction: system overview Functional requirements Analysis status track extrapolation & matching start time stop time identified hadrons full system Summary & Outlook Frank Geurts (Rice U.) for TOFp group } single slat Nantes, July 2002Frank Geurts -- STAR collaboration Meeting 2 TOFp System Overview pVPD Two pVPD assemblies, located at 5.7m from TPC center Each pVPD assembly consists of 3 cylindrical PMT assemblies PMT assemblies: 1.4" Pb converter, 1cm BC420 and 2" R2083 Magnetic shielding against STAR magnetic field (few 100G) PMT assemblies symmetrically mounted around the beam Coverage: ~32% azimuthal, forward rapidity 4.5
