Search for Nonresonant Pair Production of Highly Energetic Higgs Bosons Decaying to Bottom Quarks

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-booste...

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Veröffentlicht in:	Phys.Rev.Lett 2023-07, Vol.131 (4), p.041803-041803
Hauptverfasser:	Tumasyan, A, Adam, W, Andrejkovic, J W, Bergauer, T, Chatterjee, S, Damanakis, K, Dragicevic, M, Escalante Del Valle, A, Hussain, P S, Jeitler, M, Krammer, N, Lechner, L, Liko, D, Mikulec, I, Paulitsch, P, Pitters, F M, Schieck, J, Schöfbeck, R, Schwarz, D, Templ, S, Waltenberger, W, Wulz, C-E, Darwish, M R, Janssen, T, Kello, T, Rejeb Sfar, H, Van Mechelen, P, Bols, E S, D'Hondt, J, De Moor, A, Delcourt, M, El Faham, H, Lowette, S, Moortgat, S, Morton, A, Müller, D, Sahasransu, A R, Tavernier, S, Van Doninck, W, Vannerom, D, Clerbaux, B, De Lentdecker, G, Favart, L, Hohov, D, Jaramillo, J, Lee, K, Mahdavikhorrami, M, Makarenko, I, Malara, A, Paredes, S, Pétré, L, Postiau, N, Starling, E, Thomas, L, Vanden Bemden, M, Vander Velde, C, Vanlaer, P, Dobur, D, Knolle, J, Lambrecht, L, Mestdach, G, Niedziela, M, Rendón, C, Roskas, C, Samalan, A, Skovpen, K, Tytgat, M, Van Den Bossche, N, Vermassen, B, Wezenbeek, L, Benecke, A, Bruno, G, Bury, F, Caputo, C, David, P, Delaere, C, Donertas, I S, Giammanco, A, Jaffel, K, Jain, Sa, Lemaitre, V, Mondal, K, Prisciandaro, J, Taliercio, A, Tran, T T, Vischia, P, Wertz, S, Alves, G A, Coelho, E, Hensel, C, Moraes, A, Rebello Teles, P, Aldá Júnior, W L, Alves Gallo Pereira, M, Barroso Ferreira Filho, M, Brandao Malbouisson, H, Carvalho, W, Chinellato, J, Da Costa, E M, Da Silveira, G G
Format:	Artikel
Sprache:	eng
Schlagworte:	High Energy Physics - Experiment Physics PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
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Beschreibung
Zusammenfassung:	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 VVHH couplings, κ_{2V}, excluding κ_{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.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.131.041803