1 Ocak 2019 Dergi makalesi Açık Erişim

Aliev, T. M.; Azizi, K.; Sarac, Y.; Sundu, H.

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    <subfield code="a">&lt;p&gt;Recent experimental progress has led to the detection of many new hadrons. Very recently, the LHCb Collaboration announced the observation of two new ${\Sigma }_{b}\left(6097{\right)}^{±}$ states in the ${\Lambda }_{b}^{0}{\pi }^{±}$ invariant mass distribution, which are considered to be the excited states of the ground-state ${\Sigma }_{b}^{\left(*\right)}$ baryon. Although almost all of the ground-state baryons have been observed, the fact that only a limited number of excited states have been observed makes them intriguing. Understanding the properties of the excited baryons would improve our knowledge about the strong interaction, as well as the nature and internal structures of these baryons. To specify the quantum numbers of the ${\Sigma }_{b}\left(6097{\right)}^{±}$ states, we analyze their strong decays to ${\Lambda }_{b}^{0}$ and ${\pi }^{±}$ within the light-cone QCD sum rules formalism. To this end, they are considered as possible $1P$ or $2S$ excitations of either the ground-state ${\Sigma }_{b}$ baryon with $J=\frac{1}{2}$ or the ${\Sigma }_{b}^{*}$ baryon with $J=\frac{3}{2}$, and their corresponding masses are calculated. The results of the analyses indicate that the ${\Sigma }_{b}\left(6097{\right)}^{±}$ baryons are excited $1P$ baryons with quantum numbers ${J}^{P}={\frac{3}{2}}^{-}$.&lt;/p&gt;</subfield>
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    <subfield code="a">Aliev, T. M.</subfield>
    <subfield code="u">Physics Department, Middle East Technical University, 06531 Ankara, Turkey</subfield>
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    <subfield code="a">10.1103/PhysRevD.99.094003</subfield>
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    <subfield code="a">Determination of the quantum numbers of ${\Sigma }_{b}\left(6097{\right)}^{±}$ via their strong decays</subfield>
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    <subfield code="v">99</subfield>
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    <subfield code="a">Azizi, K.</subfield>
    <subfield code="u">Physics Department, Doğuş University, Acıbadem-Kadıköy, 34722 Istanbul, Turkey</subfield>
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    <subfield code="a">Sarac, Y.</subfield>
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    <subfield code="a">Sundu, H.</subfield>
    <subfield code="u">Department of Physics, Kocaeli University, 41380 Izmit, Turkey</subfield>
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