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<b>Abstract</b>— <p>The most interesting experimental and theoretical results are reviewed relevant to the study of multiquark systems, specifically to the six quark states referred to as dibaryons. Studying reactions <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9101_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="89" /> </InlineMediaObject> <EquationSource Format="TEX">\(pn \to d{{\pi }^{0}}{{\pi }^{0}}\)</EquationSource> <!--PhysPart2470258Doroshkevich-m1--> </InlineEquation> and <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11496_2025_9101_Article_IEq2.gif" Format="GIF" Height="18" Rendition="HTML" Resolution="72" Type="Linedraw" Width="98" /> </InlineMediaObject> <EquationSource Format="TEX">\(pn \to d{{\pi }^{ + }}{{\pi }^{ - }}\)</EquationSource> <!--PhysPart2470258Doroshkevich-m2--> </InlineEquation> results in registering a dibaryon resonance with a mass of 2.38 GeV and a width of 80 MeV. The experiment of measuring the scattering cross section of polarized neutrons on protons confirms the existence of this resonance. Experimental results are compared with theoretical predictions.</p>

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Two Approaches to Dibaryons

  • 期刊论文

  • 发表日期：

    2025年6月27日

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  • E. A. Doroshkevich

摘要

Abstract—

The most interesting experimental and theoretical results are reviewed relevant to the study of multiquark systems, specifically to the six quark states referred to as dibaryons. Studying reactions \(pn \to d{{\pi }^{0}}{{\pi }^{0}}\) and \(pn \to d{{\pi }^{ + }}{{\pi }^{ - }}\) results in registering a dibaryon resonance with a mass of 2.38 GeV and a width of 80 MeV. The experiment of measuring the scattering cross section of polarized neutrons on protons confirms the existence of this resonance. Experimental results are compared with theoretical predictions.