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arXiv · 1805.06385

Role of the $Z$ polarization in the $H \rightarrow b\bar{b}$ measurement

Dorival Goncalves·Junya Nakamura
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Abstract

It is widely known that the $ZH$ production channel provides a promising probe to the $H \rightarrow b\bar{b}$ decay at the LHC, when the Higgs and the $Z$ bosons are highly boosted along the transverse direction. We show how information on the $Z$ boson polarization -- that is disregarded in the current LHC analyses -- can relevantly improve the signal from background discrimination, helping us to observe and achieve a larger precision for the $H \rightarrow b\bar{b}$ measurement in the $Z(\ell\ell)H$ channel.

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Dorival Goncalves, Junya Nakamura. 2019-01-25. Role of the $Z$ polarization in the $H \rightarrow b\bar{b}$ measurement. https://doi.org/10.1103/physrevd.98.093005

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