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After many decades exploration of the nuclear physics, which is to study the constitutes and interactions of atomic nuclei, some key science questions are still unsolved.These questions are: how do quarks and gluons assemble into the various forms of matter? how do protons and neutrons combine to form atomic nuclei and how these nuclei have emerged during the 13.7 billion years since the origin of the cosmos? what are the fundamental properties of the nucleon and what is the role of gluonic excitations in the spectroscopy of light mesons?