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  • Open Access

Dark Z-mediated dark matter with verifiable exotic scalars

Chuan-Ren Chen1,*, Cheng-Wei Chiang2,3,†, and Leon M. G. de la Vega3,4,‡

  • *Contact author: crchen@ntnu.edu.tw
  • †Contact author: chengwei@phys.ntu.edu.tw
  • ‡Contact author: leonmgarcia@phys.ncts.ntu.edu.tw
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Phys. Rev. D 112, 075044 – Published 23 October, 2025

DOI: https://doi.org/10.1103/m31z-fwwr

Abstract

In this work, we study a dark matter scenario where a dark Z boson possessing mass mixing with the Standard Model (SM) Z boson couples to the dark matter (DM) candidate and serves as the portal to the SM. The UV origin of the mass mixing in the form of an extra dark Higgs doublet and a scalar dark singlet provides new exotic scalars which can constitute the final state of DM annihilation during freeze-out. We find that existing constraints on the observed Higgs coupling strength, exotic Higgs searches, and dark matter observables complement each other, while future searches for exotic Higgs decays and resonant heavy scalars at HL-LHC will be sensitive to part of the allowed parameter space.

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References (61)

  1. Benjamin W. Lee and Steven Weinberg, Cosmological lower bound on heavy neutrino masses, Phys. Rev. Lett. 39, 165 (1977).
  2. Mark W. Goodman and Edward Witten, Detectability of certain dark matter candidates, Phys. Rev. D 31, 3059 (1985).
  3. Joel R. Primack, David Seckel, and Bernard Sadoulet, Detection of cosmic dark matter, Annu. Rev. Nucl. Part. Sci. 38, 751 (1988).
  4. Giorgio Arcadi, David Cabo-Almeida, Maíra Dutra, Pradipta Ghosh, Manfred Lindner, Yann Mambrini, Jacinto P. Neto, Mathias Pierre, Stefano Profumo, and Farinaldo S. Queiroz, The waning of the WIMP: Endgame?, Eur. Phys. J. C 85, 152 (2025).
  5. Timothy R. Dulaney, Pavel Fileviez Perez, and Mark B. Wise, Dark matter, baryon asymmetry, and spontaneous B and L breaking, Phys. Rev. D 83, 023520 (2011).
  6. Ernest Ma, Gauged baryon number and dibaryonic dark matter, Phys. Lett. B 813, 136066 (2021).
  7. Bartosz Fornal, Alec Hewitt, and Yue Zhao, Baryonic and leptonic GeV dark matter, Phys. Lett. B 815, 136151 (2021).
  8. Pedro Schwaller, Tim M. P. Tait, and Roberto Vega-Morales, Dark matter and vectorlike leptons from gauged lepton number, Phys. Rev. D 88, 035001 (2013).
  9. Ernest Ma, Gauged lepton number, Dirac neutrinos, dark matter, and muon g−2, Phys. Lett. B 819, 136402 (2021).
  10. Narendra Sahu and Urjit A. Yajnik, Dark matter and leptogenesis in gauged B—L symmetric models embedding nu MSM, Phys. Lett. B 635, 11 (2006).
  11. S. Khalil and H. Okada, Dark matter in B-L extended MSSM models, Phys. Rev. D 79, 083510 (2009).
  12. Rouzbeh Allahverdi, Bhaskar Dutta, Katherine Richardson-McDaniel, and Yudi Santoso, A supersymmetric B-L dark matter model and the observed anomalies in the cosmic rays, Phys. Rev. D 79, 075005 (2009).
  13. Masahiro Ibe, Shigeki Matsumoto, and Tsutomu T. Yanagida, The GeV-scale dark matter with B–L asymmetry, Phys. Lett. B 708, 112 (2012).
  14. Carlos Alvarado, Cesar Bonilla, Julio Leite, and José W. F. Valle, Phenomenology of fermion dark matter as neutrino mass mediator with gauged B-L, Phys. Lett. B 817, 136292 (2021).
  15. Cheng-Wei Chiang, Takaaki Nomura, and Jusak Tandean, Nonabelian dark matter with resonant annihilation, J. High Energy Phys. 01 (2014) 183.
  16. Leon M. G. de la Vega, L. J. Flores, Newton Nath, and Eduardo Peinado, Complementarity between dark matter direct searches and CEνNS experiments in U(1)’ models, J. High Energy Phys. 09 (2021) 146.
  17. Patrick J. Fox and Erich Poppitz, Leptophilic dark matter, Phys. Rev. D 79, 083528 (2009).
  18. Nicole F. Bell, Yi Cai, Rebecca K. Leane, and Anibal D. Medina, Leptophilic dark matter with Z′ interactions, Phys. Rev. D 90, 035027 (2014).
  19. Bibhabasu De, The revival of U(1)Le−Lμ: A natural solution for (g−2)μ with a sub-GeV dark matter, Eur. Phys. J. C 85, 81 (2025).
  20. Carlos Blanco, Miguel Escudero, Dan Hooper, and Samuel J. Witte, Z’ mediated WIMPs: Dead, dying, or soon to be detected?, J. Cosmol. Astropart. Phys. 11 (2019) 024.
  21. R. Gaitan, E. A. Garces, and J. H. Montes de Oca, Singlet scalar dark matter in dark two higgs doublet model, arXiv:1410.5462.
  22. Dong-Won Jung, Soo-Hyeon Nam, Chaehyun Yu, Yeong Gyun Kim, and Kang Young Lee, Singlet fermionic dark matter with dark Z, Eur. Phys. J. C 80, 513 (2020).
  23. Dong-Won Jung, Kang Young Lee, and Chaehyun Yu, Constraints on the dark Z model from Higgs boson phenomenology, Phys. Rev. D 108, 095002 (2023).
  24. Kyu Jung Bae, Jinn-Ouk Gong, Dong-Won Jung, Kang Young Lee, Chaehyun Yu, and Chan Beom Park, Charged Higgs Boson Phenomenology in the Dark Z mediated Fermionic Dark Matter Model, arXiv:2409.07688.
  25. Hooman Davoudiasl, Hye-Sung Lee, and William J. Marciano, “Dark” Z implications for parity violation, rare meson decays, and Higgs physics, Phys. Rev. D 85, 115019 (2012).
  26. Hooman Davoudiasl, Hye-Sung Lee, and William J. Marciano, Muon g−2, rare kaon decays, and parity violation from dark bosons, Phys. Rev. D 89, 095006 (2014).
  27. Hye-Sung Lee and Marc Sher, Dark two Higgs doublet model, Phys. Rev. D 87, 115009 (2013).
  28. M. Cadeddu, N. Cargioli, F. Dordei, C. Giunti, and E. Picciau, Muon and electron g-2 and proton and cesium weak charges implications on dark Zd models, Phys. Rev. D 104, 011701 (2021).
  29. Alessandra Filippi and Marzio De Napoli, Searching in the dark: The hunt for the dark photon, Rev. Phys. 5, 100042 (2020).
  30. Andrea Caputo, Alexander J. Millar, Ciaran A. J. O’Hare, and Edoardo Vitagliano, Dark photon limits: A handbook, Phys. Rev. D 104, 095029 (2021).
  31. Yik Chuen San, Maxim Perelstein, and Philip Tanedo, Dark Z at the international linear collider, Phys. Rev. D 106, 015027 (2022).
  32. Maxim Pospelov, Adam Ritz, and Mikhail B. Voloshin, Secluded WIMP dark matter, Phys. Lett. B 662, 53 (2008).
  33. Leon M. G. de la Vega, Eduardo Peinado, and Jose Wudka, Neutrino masses and self-interacting dark matter with mass mixing Z−Z’ gauge portal, J. High Energy Phys. 07 (2023) 017.
  34. Kristjan Kannike, Vacuum stability conditions from copositivity criteria, Eur. Phys. J. C 72, 2093 (2012).
  35. Margarete Muhlleitner, Marco O. P. Sampaio, Rui Santos, and Jonas Wittbrodt, The N2HDM under theoretical and experimental scrutiny, J. High Energy Phys. 03 (2017) 094.
  36. Armen Tumasyan et al., A portrait of the Higgs boson by the CMS experiment ten years after the discovery, Nature (London) 607, 60 (2022); 623, E4 (2023).
  37. Georges Aad et al., A detailed map of Higgs boson interactions by the ATLAS experiment ten years after the discovery, Nature (London) 607, 52 (2022); 612, E24 (2022).
  38. A. Arbey, F. Mahmoudi, O. Stal, and T. Stefaniak, Status of the charged Higgs boson in two Higgs doublet models, Eur. Phys. J. C 78, 182 (2018).
  39. Philip Ilten, Yotam Soreq, Mike Williams, and Wei Xue, Serendipity in dark photon searches, J. High Energy Phys. 06 (2018) 004.
  40. Chaja Baruch, Philip Ilten, Yotam Soreq, and Mike Williams, Axial vectors in darkcast, J. High Energy Phys. 11 (2022) 124.
  41. Roel Aaij et al., Search for A′→μ+μ− decays, Phys. Rev. Lett. 124, 041801 (2020).
  42. K. S. Babu, Christopher F. Kolda, and John March-Russell, Implications of generalized Z−Z′ mixing, Phys. Rev. D 57, 6788 (1998).
  43. Hooman Davoudiasl, Kazuki Enomoto, Hye-Sung Lee, Jiheon Lee, and William J. Marciano, Searching for new physics effects in future W mass and sin2θW(Q2) determinations, Phys. Rev. D 108, 115018 (2023).
  44. Hsin-Chia Cheng, Xu-Hui Jiang, Lingfeng Li, and Ennio Salvioni, Dark showers from Z-dark Z’ mixing, J. High Energy Phys. 04 (2024) 081.
  45. W. Grimus, P. Osland, L. Lavoura, and O. M. Ogreid, The oblique parameters in multi-Higgs-doublet models, Nucl. Phys. B801, 81 (2008).
  46. S. Navas et al., Review of particle physics, Phys. Rev. D 110, 030001 (2024).
  47. Patrick Janot and Stanisław Jadach, Improved Bhabha cross section at LEP and the number of light neutrino species, Phys. Lett. B 803, 135319 (2020).
  48. N. Aghanim et al., Planck 2018 results. VI. Cosmological parameters, Astron. Astrophys. 641, A6 (2020); 652, C4(E) (2021).
  49. C. Amole, M. Ardid, I. J. Arnquist, D. M. Asner, D. Baxter, E. Behnke, M. Bressler, B. Broerman, G. Cao, C. J. Chen et al., Dark matter search results from the complete exposure of the PICO-60C3F8 bubble chamber, Phys. Rev. D 100, 022001 (2019).
  50. E. Aprile et al., First dark matter search with nuclear recoils from the XENONnT experiment, Phys. Rev. Lett. 131, 041003 (2023).
  51. J. Aalbers et al., Dark matter search results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) experiment, Phys. Rev. Lett. 135, 011802 (2024).
  52. Florian Staub, sarah 4: A tool for (not only SUSY) model builders, Comput. Phys. Commun. 185, 1773 (2014).
  53. G. Alguero, G. Belanger, F. Boudjema, S. Chakraborti, A. Goudelis, S. Kraml, A. Mjallal, and A. Pukhov, micromegas 6.0: N-component dark matter, Comput. Phys. Commun. 299, 109133 (2024).
  54. Henning Bahl, Thomas Biekötter, Sven Heinemeyer, Cheng Li, Steven Paasch, Georg Weiglein, and Jonas Wittbrodt, higgstools: BSM scalar phenomenology with new versions of higgsbounds and higgssignals, Comput. Phys. Commun. 291, 108803 (2023).
  55. J. M. Gerard and M. Herquet, A twisted custodial symmetry in the two-Higgs-doublet model, Phys. Rev. Lett. 98, 251802 (2007).
  56. J. Aalbers et al., The XLZD design book: Towards the next-generation liquid xenon observatory for dark matter and neutrino physics, arXiv:2410.17137.
  57. Ciaran A. J. O’Hare, New definition of the neutrino floor for direct dark matter searches, Phys. Rev. Lett. 127, 251802 (2021).
  58. M. Cepeda et al., Report from working group 2: Higgs physics at the HL-LHC and HE-LHC, CERN Yellow Rep. Monogr. 7, 221 (2019).
  59. Sebastian Baum and Nausheen R. Shah, Two Higgs doublets and a complex singlet: Disentangling the decay topologies and associated phenomenology, J. High Energy Phys. 12 (2018) 044.
  60. Amit Adhikary, Shankha Banerjee, Rahool Kumar Barman, and Biplob Bhattacherjee, Resonant heavy Higgs searches at the HL-LHC, J. High Energy Phys. 09 (2019) 068.
  61. Hooman Davoudiasl, William J. Marciano, Raymundo Ramos, and Marc Sher, Charged Higgs discovery in the W plus “dark” vector boson decay mode, Phys. Rev. D 89, 115008 (2014).

Outline

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Phys. Rev. D 112, 075044– Published 23 October, 2025
  • Received 4 July 2025
  • Accepted 26 September 2025
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