1 Ocak 2020 Dergi makalesi Açık Erişim

Aliev, T. M.; Barakat, T.; Bilmis, S.; Savci, M.

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    <subfield code="a">&lt;p&gt;The form factors of ${\gamma }^{*}N\to \Delta \left(1600\right)$ transition is calculated within the light-cone sum rules assuming that ${\Delta }^{+}\left(1600\right)$ is the first radial excitation of $\Delta \left(1232\right)$. The ${Q}^{2}$ dependence of the magnetic dipole ${\stackrel{˜}{G}}_{M}\left({Q}^{2}\right)$, electric quadrupole ${\stackrel{˜}{G}}_{E}\left({Q}^{2}\right)$, and Coulomb quadrupole ${\stackrel{˜}{G}}_{c}\left({Q}^{2}\right)$ form factors are investigated. Moreover, the ${Q}^{2}$ dependence of the ratios ${R}_{\mathrm{EM}}=-\frac{{\stackrel{˜}{G}}_{E}\left({Q}^{2}\right)}{{\stackrel{˜}{G}}_{M}\left({Q}^{2}\right)}$ and ${R}_{\mathrm{SM}}=-\frac{1}{4{m}_{\Delta \left(1600\right)}^{2}}\sqrt{4{m}_{\Delta \left(1600\right)}^{2}{Q}^{2}+\left({m}_{\Delta \left(1600\right)}^{2}-{Q}^{2}-{m}_{N}^{2}{\right)}^{2}}\frac{{\stackrel{˜}{G}}_{c}\left({Q}^{2}\right)}{{\stackrel{˜}{G}}_{M}\left({Q}^{2}\right)}$ are studied. Finally, our predictions on ${\stackrel{˜}{G}}_{M}\left({Q}^{2}\right)$, ${\stackrel{˜}{G}}_{E}\left({Q}^{2}\right)$, and ${\stackrel{˜}{G}}_{C}\left({Q}^{2}\right)$ are compared with the results of other theoretical approaches.&lt;/p&gt;</subfield>
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    <subfield code="a">Aliev, T. M.</subfield>
    <subfield code="u">Department of Physics, Middle East Technical University, Ankara 06800, Turkey</subfield>
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    <subfield code="a">10.1103/PhysRevD.101.114011</subfield>
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    <subfield code="a">${\gamma }^{*}N\to {\Delta }^{+}\left(1600\right)$ transition form factors in light-cone sum rules</subfield>
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    <subfield code="a">Barakat, T.</subfield>
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    <subfield code="a">Bilmis, S.</subfield>
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    <subfield code="a">Savci, M.</subfield>
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