Электронный каталог

Статья

Tumasyan, A.
Search for Nonresonant Pair Production of Highly Energetic Higgs Bosons Decaying to Bottom Quarks / A.Tumasyan, S.Afanasiev, D.Budkouski, I.Golutvin, I.Gorbunov, V.Karjavine, V.Korenkov, A.Lanev, A.Malakhov, V.Matveev, V.Palichik, V.Perelygin, M.Savina, V.Shalaev, S.Shmatov, S.Shulha, V.Smirnov, O.Teryaev, N.Voytishin, B.S.Yuldashev, A.Zarubin, I.Zhizhin, N.Krasnikov, M.Finger, M.Finger Jr., Z.Tsamalaidze, [CMS Collab.] // Physical Review Letters [Electronic resource]. – 2023. – Vol.131, No.4. – P. 041803. – URL: https://doi.org/10.1103/PhysRevLett.131.041803. – Bibliogr.: 108.

A search for nonresonant Higgs boson (𝐻) pair production via gluon and vector boson (𝑉) fusion is performed in the four-bottom-quark final state, using proton-proton collision data at 13 TeV corresponding to 138  fb*−*1 collected by the CMS experiment at the LHC. The analysis targets Lorentz-boosted 𝐻 pairs identified using a graph neural network. It constrains the strengths relative to the standard model of the 𝐻 self-coupling and the quartic 𝑉⁢𝑉⁢𝐻⁢𝐻 couplings, *k&sub(2𝑉), excluding *k&sub(2𝑉) = 0 for the first time, with a significance of 6.3 standard deviations when other 𝐻 couplings are fixed to their standard model values.



Спец.(статьи,препринты) = С 346.2в - Взаимодействие протонов с протонами
Спец.(статьи,препринты) = С 346.6д1 - Чармоний, боттомоний, топ-кварк. Очарованные частицы и др. резонансы из тяжелых кварков
ОИЯИ = ОИЯИ (JINR)2023