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H eavy F lavor T racker : a silicon inner tracking upgrade for STAR

H eavy F lavor T racker : a silicon inner tracking upgrade for STAR. Jonathan Bouchet (Kent State University) for the STAR collaboration. Low mass, Low p T Active pixels Topological D-meson reconstruction. Poster 907, April 2, 2009. SSD IST PIXEL. SSD R=23cm. HFT layout.

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H eavy F lavor T racker : a silicon inner tracking upgrade for STAR

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  1. Heavy Flavor Tracker: a silicon inner tracking upgrade for STAR • Jonathan Bouchet • (Kent State University) • for the STAR collaboration • Low mass, Low pT • Active pixels • Topological D-meson reconstruction Poster 907, April 2, 2009

  2. SSD IST PIXEL SSD R=23cm HFT layout IST R=14cm Pixel 1-2 R=2.5, 8cm

  3. 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

  4. Key measurements of the HFT • Measurements: • v2 and Rcp of D0 • 2) Charm baryon Λc • 3) Bottom cross sections • Poster 907, April 2, 2009

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