h eavy f lavor t racker : a silicon inner tracking upgrade for star jonathan bouchet (kent state...
TRANSCRIPT
Heavy Flavor Tracker : a silicon inner tracking upgrade
for STARJonathan Bouchet
(Kent State University)
for the STAR collaboration
Poster 907, April 2, 2009
• Low mass, Low pT • Active pixels• Topological D-meson reconstruction
HFT layoutSSD R=23cm
IST R=14cm
Pixel 1-2 R=2.5, 8cm
SSDIST
PIXEL
Performance example on the D0 ➝ Kπ reconstruction
• Simulation of Au+Au@200GeV Hijing events with STAR tracking software including pixel pileup (RHIC-II luminosity) extrapolated to 500 M events.
• Identification done via topological cuts and PID using Time Of Flight
Key measurements of the HFT
•Poster 907, April 2, 2009
Measurements:
1) v2 and Rcp of D0
2) 2) Charm baryon Λc
3) Bottom cross sections