H eavy F lavor T racker : a silicon inner tracking upgrade for STAR Jonathan Bouchet (Kent State University) for the STAR collaboration Poster 907, April 2, 2009 Low mass, Low p T Active pixels Topological D-meson reconstruction
HFT layout SSD R=23cm IST R=14cm Pixel 1-2 R=2.5, 8cm SSD IST PIXEL
Performance example on the D 0 ➝ Kπ reconstruction Simulation of 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)v 2 and R cp of D 0 2)2) Charm baryon Λ c 3) Bottom cross sections