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High Energy Physics Seminars

ics High Energy
Wednesday, February 18, 2009
3:30 PM
HEP Building, Room 123
Note special room.
Sarah Boutle [Host: Chris Neu]
University College London, ZEUS
"Beauty in photoproduction at HERA"
 Slideshow (PDF)
I will present a recent ZEUS measurement of beauty photoproduction in dijet events at HERA. In the analysis, b-quark events are identified in the semi-leptonic decay mode using a technique which exploits the long lifetime of the B hadron. This is the first measurement of its kind at ZEUS as it uses the Micro-Vertex Detector (MVD), an upgrade made to ZEUS for the HERA II running period. I will describe the analysis method involved in the measurement and then present the results which include beauty production cross sections as well as dijet correlations. The results are compared to QCD predictions and previous measurements.

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