Search for a new scalar resonance decaying to a Higgs boson and another new scalar particle in the final state with two bottom quarks and two photons in proton-proton collisions at $$\sqrt{s}=13$$ TeV

A bstract A search is presented for a new scalar resonance, X, decaying to a standard model Higgs boson and another new scalar particle, Y, in the final state where the Higgs boson decays to a $$\text{b}\overline{\text{b} }$$ pair, while the Y particle decays to a pair of photons. The search is performed in the mass range 240–1000 GeV for the resonance X, and in the mass range 70–800 GeV for the particle Y, using proton-proton collision data collected by the CMS experiment at $$\sqrt{s}=13$$ TeV, corresponding to an integrated luminosity of 132 fb − 1 . In general, the data are found to be compatible with the standard model expectation. Observed (expected) upper limits at 95% confidence level on the product of the production cross section and the relevant branching fraction are extracted for the X → YH process, and are found to be within the range of 0.05–2.69 (0.08–1.94) fb, depending on m X and m Y . The most significant deviation from the background-only hypothesis is observed for X and Y masses of 300 and 77 GeV, respectively, with a local (global) significance of 3.33 (0.65) standard deviations.

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Journal
Journal of High Energy Physics
Published
2025-12-23
DOI
https://doi.org/10.1007/jhep12(2025)178
Citations
1
Primary Topic
Particle physics theoretical and experimental studies
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article
Field-Weighted Citation Impact
1.87

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article

Search for a new scalar resonance decaying to a Higgs boson and another new scalar particle in the final state with two bottom quarks and two photons in proton-proton collisions at $$\sqrt{s}=13$$ TeV

T. Reis, M. A. Ciocci, S. Polikarpov, A. Vilela Pereira et al.
1 citations
Journal of High Energy Physics
Particle physics theoretical and experimental studies
1.87
article

Search for a new scalar resonance decaying to a Higgs boson and another new scalar particle in the final state with two bottom quarks and two photons in proton-proton collisions at $$\sqrt{s}=13$$ TeV

T. Reis, M. A. Ciocci, S. Polikarpov, A. Vilela Pereira, Yeonjoon Kim, K. Rabbertz, U. Goerlach, J. Alexander, J. Choi, V. Brigljević, S. Bansal, M. M. A. Gadallah, J. Lidrych, S. Tuo, A. Awais, P. Azzurri, A. Gurrola, B. Hacışahinoğlu, D. Nguyen, V. D’Amante, I. Lomidze, B. Blumenfeld, K. Piotrzkowski, M. Osherson, A. Lapertosa, M. Horzela, A. Mecca, R. Wolf, K. Shchelina, Jihoon Shin, M. Presilla, S. Tekten, A. Reimers, N. Bin Norjoharuddeen, P. Schütze, R. Klanner, D. Contardo, A. Escalante Del Valle, Y. Lai, F. De Guio, S. My, E. Asilar, K. T. S. Kallonen, S. Xie, B. Camaiani, J. Vazquez Escobar, D. Vats, Vincent J Smith, J. Park, P. Rumerio, C. Madrid, Ali Khalilzadeh, W. Waltenberger, G. B. Cerati, J. Reichert, T. Kamon, A. Lintuluoto, S. Chenarani, D. Liko, M. Senger, A. Frankenthal, P. Everaerts, J. D. Ruiz Alvarez, B. D’Anzi, M. Alves Gallo Pereira, C. Lange, J. Berryhill, P. Van Mechelen, A. Macchiolo, C. Hill, L. Feld, K. M. Ecklund, Liam Wezenbeek, A. Attikis, G. Salvi, N. Eich, Jennet Elizabeth Dickinson, T. Kwon, E. Auffray, M. Sonawane, G. Boldrini, L. Valencia Palomo, Jia-Ning Song, L. Caminada, Juhee Song, J. Gilmore, Z. Wang, D. Wood, V. Guglielmi, Paul Malek, E. Carrera Jarrin, C. Tully, J. León Holgado, R. Goldouzian, K. Dreimanis, F. Golf, G. Pásżtor, T. Lange, S. Nanda, Y. Güler, Pin-Chun Chou, R. Vilar Cortabitarte, A. Kaur, N. Akchurin, Ho Fung Tsoi, R. Walsh, Soumya Dansana, J. B. Singh, D. Vannerom, M. Antonello, R. M. Harris, J. Pearkes, G. Parida, R. Mankel, C. Mora Herrera, W. G. D. Dharmaratna, J. Schwandt, A. Sehrawat, S. Nandan, M. Raidal, B. Ristić, T. Šuša, C. Baldenegro Barrera, L. Jeppe, Ka Wa Ho, M. Donegà, В. Смирнов, G. Abbiendi, F. Bury, K. Skovpen, İ. Hoş, D. Spitzbart, E. Brücken, J. Hauser, D. Kotliński, A. Di Mattia, A. Pathak, H. Saka, S. Sarkar, S. Falke, A. Perrotta, F. Ravera, S. Scarfí, M. Johnson, D. Pilipovic, F. Blekman, E. Shumka, S. Rudrabhatla, M. T. Lucchini, A. Thachayath, Maryam Shooshtari, S. Wuchterl, W. 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Abstract

A bstract A search is presented for a new scalar resonance, X, decaying to a standard model Higgs boson and another new scalar particle, Y, in the final state where the Higgs boson decays to a $$\text{b}\overline{\text{b} }$$ pair, while the Y particle decays to a pair of photons. The search is performed in the mass range 240–1000 GeV for the resonance X, and in the mass range 70–800 GeV for the particle Y, using proton-proton collision data collected by the CMS experiment at $$\sqrt{s}=13$$ TeV, corresponding to an integrated luminosity of 132 fb − 1 . In general, the data are found to be compatible with the standard model expectation. Observed (expected) upper limits at 95% confidence level on the product of the production cross section and the relevant branching fraction are extracted for the X → YH process, and are found to be within the range of 0.05–2.69 (0.08–1.94) fb, depending on m X and m Y . The most significant deviation from the background-only hypothesis is observed for X and Y masses of 300 and 77 GeV, respectively, with a local (global) significance of 3.33 (0.65) standard deviations.

Journal of High Energy PhysicsVol. 2025(12)
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