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Improved $b$ quark jet identification at the D0 experiment

Abstract : The ability to identify jets which originated from $b$ quarks is an important tool of the physics program of the D0 experiment at the Fermilab Tevatron $p\bar{p}$ collider. This article describes a new algorithm designed to select jets originating from $b$ quarks while suppressing the contamination caused by jets from other quark flavors and gluons. Additionally, a new technique, the SystemN method, for determining the misidentification rate directly from data is presented.
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Contributor : Emmanuelle Vernay Connect in order to contact the contributor
Submitted on : Friday, January 3, 2014 - 10:53:06 AM
Last modification on : Wednesday, August 24, 2022 - 2:46:52 PM

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V.M. Abazov, G. Sajot, J. Stark, S. Greder, F. Miconi, et al.. Improved $b$ quark jet identification at the D0 experiment. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2014, 763, pp.290-303. ⟨10.1016/j.nima.2014.04.087⟩. ⟨in2p3-00923533⟩



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