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Black hole in space

Three-particle templates for a boosted Higgs boson

We explore the ability of three-particle templates to distinguish color neutral objects from QCD background

Black hole in space

Black hole attracting interstellar matter and stars

Leandro G. Almeida, Ozan Erdoğan, José Juknevich, Seung J. Lee, Gilad Perez, and George Sterman

Institut de Physique Theorique, CEA-Saclay, F-91191, Gif-sur-Yvette cedex, France
C. N. Yang Institute for Theoretical Physics, Stony Brook University, Stony Brook, New York 11794-3840, USA
Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot 76100, Israel
Department of Physics, Korea Advanced Institute of Science and Technology, 335 Gwahak-ro, Yuseong-gu, Daejeon 305-701, Korea
CERN, Theory Division, CH1211 Geneva 23, Switzerland

We explore the ability of three-particle templates to distinguish color neutral objects from QCD background. This method is particularly useful to identify the standard model Higgs, as well as other massive neutral particles. Simple cut-based analysis in the overlap distributions of the signal and background is shown to provide a significant rejection power. By combining with other discriminating variables, such as planar flow, and several variables that depend on the partonic template, three-particle templates are used to characterize the influence of gluon emission and color flow in collider events. The performance of the method is discussed for the case of a highly boosted Higgs in association with a leptonically decaying W boson.

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