Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 76, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-016-4215-5
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Funding
- Rhodes Scholarship
- STFC
- European Research Council
- STFC Rutherford Fellowship
- [ST/K005227/1]
- [ST/M003787/1]
- STFC [ST/N000447/1, ST/M003787/1, ST/L000474/1, ST/K005227/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/M003787/1, ST/K005227/1, ST/L000474/1, ST/N000447/1] Funding Source: researchfish
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The measurement of Higgs pair production will be a cornerstone of the LHC program in the coming years. Double Higgs production provides a crucial window upon the mechanism of electroweak symmetry breaking and has a unique sensitivity to the Higgs trilinear coupling. We study the feasibility of a measurement of Higgs pair production in the b (b) over barb (b) over bar final state at the LHC. Our analysis is based on a combination of traditional cut-based methods with state-of-the-art multivariate techniques. We account for all relevant backgrounds, including the contributions from light and charm jet mis-identification, which are ultimately comparable in size to the irreducible 4b QCD background. We demonstrate the robustness of our analysis strategy in a high pileup environment. For an integrated luminosity of L = 3 ab(-1), a signal significance of S/root B similar or equal to 3 is obtained, indicating that the b (b) over barb (b) over bar final state alone could allow for the observation of double Higgs production at the High Luminosity LHC.
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