# 19th International Conference on Hadron Spectroscopy and Structure in memoriam Simon Eidelman

26-31 July 2021
Mexico City
Mexico/General timezone
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# Contribution Parallel

Mexico City -
Baryon Spectroscopy

# Study of $N(1440)$ structure via $\gamma^{\ast}p\to N(1440)$ transition

## Speakers

• Mr. Attaphon KAEWSNOD

## Abstract

We study the photoproduction of the $N(1440)$ resonance in $\gamma^{\ast}p\to N^{\ast}$ process in quark models, where the $N(1440)$ takes different wave functions: First radial excitation of the nucleon imported from low-lying baryon mass spectrum calculations, a general radial excitation of the nucleon, and a $q^3$ state with positive parity. The comparisons between the theoretical results and experimental data reveal that the $N(1440)$ resonance is mainly the $q^3$ first radial excitation.