Photoproduction of π0-Mesons from the Nucleon and Deuteron

Authors

Eed Mohamed Darwish, Physics Department, Faculty of Science, Taibah University, Madina 41477, Saudi Arabia Physics Department, Faculty of Science, Sohag University, Sohag 82524, EgyptFollow
Amel Hemmdan, Physics Department, Faculty of Science, Aswan University, Aswan 81528, Egypt
Nesreen T. El-Shamy, Physics Department, Faculty of Science, Taibah University, Madina 41477, Saudi Arabia Physics Department, Faculty of Girls, Ain Shams University, Heliopolis, Cairo 11566, Egypt

Abstract

The photoproduction of π0-mesons from the nucleon and deuteron has been studied for incidents of photon energies up to 1.5 GeV. By using the MAID-2007 model for the process on the nucleon, we predict results for the unpolarized and helicity-dependent total cross sections of the semi-exclusive reaction γd→π0X (X=np+d) with the inclusion of rescattering effects. We find that rescattering effects yield a substantially large contribution. The extracted results are compared with the available experimental data and a satisfactory agreement is obtained. In addition, the contribution of γd→π0X (X=np+d) to the finite GDH integral has been evaluated by explicit integration up to 1.5 GeV and a total value of 256.96 µb has been obtained. Convergence of the GDH integral has been reached.

Recommended Citation

Darwish, Eed Mohamed; Hemmdan, Amel; and El-Shamy, Nesreen T. (2016) "Photoproduction of π0-Mesons from the Nucleon and Deuteron," Makara Journal of Science: Vol. 20: Iss. 2, Article 2.
DOI: 10.7454/mss.v20i2.5948
Available at: https://scholarhub.ui.ac.id/science/vol20/iss2/2