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Ehatäht, Karl; Veelken, Christian
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 04/2022, Letnik: 1028Journal Article
We apply the matrix element method (MEM) to the search for non-resonant Higgs boson pair (HH) production in the channel HH → bb̄WW* at the LHC and study the separation between the HH signal and the large irreducible background, which arises from the production of top quark pairs (tt̄). Our study focuses on events containing two leptons (electrons or muons) in the final state. The separation between signal and background is studied for experimental conditions characteristic for the ATLAS and CMS experiments during LHC Run 2, using the DELPHES fast-simulation package. We find that the tt̄ background can be reduced to a level of 0.26% for a signal efficiency of 35%.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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