Makale detayı · 2023
Search for nonresonant pair production of Higgs bosons in the bb¯bb¯ final state in pp collisions at s=13 TeV with the ATLAS detector
- Yıl
- 2023
- Tür
- article
Veri kaynağı ayrımı
- YÖKSİS YÖKSİS makale kaydı
- YÖKSİS dergi adı Physical Review D
- Katalog eşleşmesi (ISSN) Physical Review D
- OpenAlex OpenAlex zenginleştirmesi (özet, atıf, konular)
Özet
OpenAlex · lv
A search for nonresonant Higgs boson pair production in the $b\overline{b}b\overline{b}$ final state is presented. The analysis uses $126\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ of $pp$ collision data at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ collected with the ATLAS detector at the Large Hadron Collider, and targets both the gluon-gluon fusion and vector-boson fusion production modes. No evidence of the signal is found and the observed (expected) upper limit on the cross section for nonresonant Higgs boson pair production is determined to be 5.4 (8.1) times the Standard Model predicted cross section at 95% confidence level. Constraints are placed on modifiers to the $HHH$ and $HHVV$ couplings. The observed (expected) $2\ensuremath{\sigma}$ constraints on the $HHH$ coupling modifier, ${\ensuremath{\kappa}}_{\ensuremath{\lambda}}$, are determined to be $[\ensuremath{-}3.5,11.3]$ ($[\ensuremath{-}5.4,11.4]$), while the corresponding constraints for the $HHVV$ coupling modifier, ${\ensuremath{\kappa}}_{2V}$, are $[\ensuremath{-}0.0,2.1]$ ($[\ensuremath{-}0.1,2.1]$). In addition, constraints on relevant coefficients are derived in the context of the Standard Model effective field theory and Higgs effective field theory, and upper limits on the $HH$ production cross section are placed in seven Higgs effective field theory benchmark scenarios.
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Atıflar
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Yerel katalogda bu makaleye atıf yapan 14 yayın (OpenAlex referans eşleşmesi; tam dünya listesi değildir).
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