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• W2570049350 abstract "The representation of the wave functions of the nucleon resonances within a relativistic framework is a complex task. In a nonrelativistic framework the orthogonality between states can be imposed naturally. In a relativistic generalization, however, the derivation of the orthogonality condition between states can be problematic, particularly when the states have different masses. In this work we study the $N(1520)$ and $N(1535)$ states using a relativistic framework. We considered wave functions derived in previous works, but impose the orthogonality between the nucleon and resonance states using the properties of the nucleon, ignoring the difference of masses between the states (semirelativistic approximation). The $N(1520)$ and $N(1535)$ wave functions are then defined without any adjustable parameters and are used to make predictions for the valence quark contributions to the transition form factors. The predictions compare well with the data particularly for high momentum transfer, where the dominance of the quark degrees of freedom is expected." @default.
• W2570049350 created "2017-01-13" @default.
• W2570049350 creator A5010720860 @default.
• W2570049350 date "2017-03-14" @default.
• W2570049350 modified "2023-10-18" @default.
• W2570049350 title "Semirelativistic approximation to the <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:msup><mml:mi>γ</mml:mi><mml:mo>*</mml:mo></mml:msup><mml:mi>N</mml:mi><mml:mo stretchy=false>→</mml:mo><mml:mi>N</mml:mi><mml:mo stretchy=false>(</mml:mo><mml:mn>1520</mml:mn><mml:mo stretchy=false>)</mml:mo></mml:math> and <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:msup><mml:mi>γ</mml:mi><mml:mo>*</mml:mo></mml:msup><mml:mi>N</mml:mi><…" @default.
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• W2570049350 doi "https://doi.org/10.1103/physrevd.95.054008" @default.
• W2570049350 hasPublicationYear "2017" @default.
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