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Detection of New Particles—Possible Candidates for the Role of Dark Matter Particles in Collisions of Protons and Nuclei from Spectra of Soft Photons

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Abstract

Within a thermodynamic model, an interpretation of transverse momentum spectra of soft photons in proton–proton collisions is proposed via taking into account the \(X\)17 boson of mass 17 MeV—a new particle, which is a possible candidate for the role of a dark matter particle. The masses of dark matter particles are determined on the basis of unification of two-dimensional quantum chromodynamics and two-dimensional quantum electrodynamics within the tube model. In addition, an interpretation of the detection of a boson with mass 38 MeV in the spectra of photons emitted in reactions of protons with carbon nuclei at the incident proton momentum of 5.5 GeV/\(c\) is proposed. The \(X\)38 boson mass of 38 MeV is close to the boson mass of 34 MeV obtained for the electromagnetic tube. This new particle was discovered in experiments performed recently in Dubna and aimed at studying the \(p+\textrm{C}\to 2\gamma+X\) reaction. It is proposed to treat \(X\)17 and \(X\)38 bosons as dark matter particles.

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ACKNOWLEDGMENTS

I am grateful to V.V. Vechernin, M.B. Zhalov, and E.N. Bodunov for stimulating discussions.

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Authors and Affiliations

  1. Konstantinov Petersburg Nuclear Physics Institute, National Research Center Kurchatov Institute, Gatchina, Russia

    A. T. D’yachenko

  2. Emperor Alexander I Petersburg State Transport University, St. Petersburg, Russia

    A. T. D’yachenko

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D’yachenko, A.T. Detection of New Particles—Possible Candidates for the Role of Dark Matter Particles in Collisions of Protons and Nuclei from Spectra of Soft Photons. Phys. Atom. Nuclei 85, 1028–1033 (2022). https://doi.org/10.1134/S1063778823010179

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  • DOI: https://doi.org/10.1134/S1063778823010179

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