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• W3124429511 abstract "Abstract The doubly charmed $$Xi _{cc}^{++} (ccu)$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:msubsup><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>cc</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo><mml:mo>+</mml:mo></mml:mrow></mml:msubsup><mml:mrow><mml:mo>(</mml:mo><mml:mi>c</mml:mi><mml:mi>c</mml:mi><mml:mi>u</mml:mi><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math> state is the only listed baryon in PDG, which was discovered in the experiment. The LHCb collaboration gets closer to discovering the second doubly charmed baryon $$Xi _{cc}^{+} (ccd)$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mrow><mml:msubsup><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>cc</mml:mi></mml:mrow><mml:mo>+</mml:mo></mml:msubsup><mml:mrow><mml:mo>(</mml:mo><mml:mi>c</mml:mi><mml:mi>c</mml:mi><mml:mi>d</mml:mi><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math> , hence the investigation of the doubly charmed/bottom baryons from many aspects is of great importance that may help us not only get valuable knowledge on the nature of the newly discovered states, but also in the search for other members of the doubly heavy baryons predicted by the quark model. In this context, we investigate the strong coupling constants among the $$Xi _{cc}^{+(+)}$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:msubsup><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>cc</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo><mml:mo>(</mml:mo><mml:mo>+</mml:mo><mml:mo>)</mml:mo></mml:mrow></mml:msubsup></mml:math> baryons and $$pi ^{0(pm )}$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:msup><mml:mi>π</mml:mi><mml:mrow><mml:mn>0</mml:mn><mml:mo>(</mml:mo><mml:mo>±</mml:mo><mml:mo>)</mml:mo></mml:mrow></mml:msup></mml:math> mesons by means of light cone QCD sum rule. Using the general forms of the interpolating currents of the $$Xi _{cc}^{+(+)}$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:msubsup><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>cc</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo><mml:mo>(</mml:mo><mml:mo>+</mml:mo><mml:mo>)</mml:mo></mml:mrow></mml:msubsup></mml:math> baryons and the distribution amplitudes (DAs) of the $$pi $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mi>π</mml:mi></mml:math> meson, we extract the values of the coupling constants $$g_{Xi _{cc} Xi _{cc} pi }$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:msub><mml:mi>g</mml:mi><mml:mrow><mml:msub><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>cc</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>cc</mml:mi></mml:mrow></mml:msub><mml:mi>π</mml:mi></mml:mrow></mml:msub></mml:math> . We extend our analyses to calculate the strong coupling constants among the partner baryons with $$pi $$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mi>π</mml:mi></mml:math> mesons, as well, and extract the values of the strong couplings $$g_{Xi _{bb} Xi _{bb} pi }$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:msub><mml:mi>g</mml:mi><mml:mrow><mml:msub><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>bb</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>bb</mml:mi></mml:mrow></mml:msub><mml:mi>π</mml:mi></mml:mrow></mml:msub></mml:math> and $$g_{Xi _{bc} Xi _{bc} pi }$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:msub><mml:mi>g</mml:mi><mml:mrow><mml:msub><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>bc</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Ξ</mml:mi><mml:mrow><mml:mi>bc</mml:mi></mml:mrow></mml:msub><mml:mi>π</mml:mi></mml:mrow></mml:msub></mml:math> . The results of this study may help experimental groups in the analyses of the data related to the strong coupling constants among the hadronic multiplets." @default.
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• W3124429511 date "2020-07-01" @default.
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• W3124429511 title "Strong coupling constants of the doubly heavy $$ Xi _{QQ} $$ Baryons with $$ pi $$ Meson" @default.
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