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Parton evolution model and the EMC effect

Jian Yang, Ya Bo Zhu, Hong Shen, Guang Lie Li, Jian Ping Shen

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Abstract

The effect of the evolution of partons in nuclear environment to the structure function of nucleons bound in a nucleus is investigated. Together with the nuclear shadowing effect caused by the spatial overlap of partons from neighboring nucleons in the nucleus in the small x region, the ratio of the average nuclear structure function of nucleus ~(56)Fe to the deuteron struc- ture function is calculated and a good agreement between the calculated results and the ex- perimental data is obtained.

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What this paper is about

The effect of the evolution of partons in nuclear environment to the structure function of nucleons bound in a nucleus is investigated. Together with the nuclear shadowing effect caused by the spatial overlap of partons from neighboring nucleons in the nucleus in the small x region, the ratio of the average nuclear structure function of nucleus ~(56)Fe to the deuteron struc- ture function is calculated and a good agreement between the calculated results and the ex- perimental data is obtained.

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Available abstract

The effect of the evolution of partons in nuclear environment to the structure function of nucleons bound in a nucleus is investigated. Together with the nuclear shadowing effect caused by the spatial overlap of partons from neighboring nucleons in the nucleus in the small x region, the ratio of the average nuclear structure function of nucleus ~(56)Fe to the deuteron struc- ture function is calculated and a good agreement between the calculated results and the ex- perimental data is obtained.

Key concepts: Parton, EMC effect, Physics, Nucleon, Nuclear physics, Nucleus, Particle physics, Deuterium

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