FIZIKA B 16 (2007)  1, 59 - 66

Np SCATTERING AND ELECTROMAGNETIC CORRECTIONS IN THE EXTENDED LINEAR SIGMA MODEL

M. ABU-SHADY^a, M. RASHDAN^b and T. S. T. ALY^c
aDepartment of Mathematics, Faculty of Science, Menoufia University, Shebin Elkom, Egypt
^bDepartment of Mathematics and Theoretical Physics, Atomic Energy Authority (AEA), Cairo, Egypt
^cDepartment of Mathematics, Faculty of Science, Helwan University and UAE University, Cairo, Egypt

Received 21 October 2006;  Revised manuscript received 7 January 2007
Accepted 16 May 2007    Online 21 June 2007

Recent analysis of pion-nucleon scattering and nucleon magnetic moments are investigated in an extended linear sigma model. The field equations are solved in the mean-field approximation. Good results have been obtained in comparison with previous work and experimental data.

PACS numbers: 13.75.Gx, 21.10.Ky
UDC 537.611, 539.125, 539.172

Keywords: pion-nucleon scattering, nucleon magnetic moment, extended linear sigma model

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