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Gluon Radiation in Top Mass Reconstruction: Effect of Hadronic W Decays

1998/11/20 by L. H. Orr, Orr, L. H., T. Andre +4
Medicine · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Medical Imaging Techniques and Applications #Particle physics theoretical and experimental studies #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9811424

5 pages including 4 figures, LaTeX, uses ltwol.sty, talk given by LHO at ICHEP98, Vancouver, B.C., July 23-29, 1998

arxiv created 1998/11/20 · openalex publication_date 1998/11/20 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Top quark events in hadron collisions often contain additional hadronic jets from gluon bremsstrahlung off the quarks and gluons in the hard subprocesses. Such extra jets must be taken into account in attempts to reconstruct the momentum of the top quark from those of its decay products. We have performed a complete calculation of gluon radiation in top production and decay at the Fermilab Tevatron including hadronically decaying W bosons. In this talk we discuss the effect of gluon radiation on the reconstructed mass of the top quark, using various top mass reconstruction scenarios. Implications for the LHC are briefly discussed.

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