BARYONS AS SOLITONS IN A NON-LINEAR σ MODEL WITH ONLY A SIXTH-ORDER STABILIZING TERM

WEN Jia-Ru; HUANG Tao

Chinese Physics C> 1988, Vol. 12> Issue(2) : 286-288

BARYONS AS SOLITONS IN A NON-LINEAR σ MODEL WITH ONLY A SIXTH-ORDER STABILIZING TERM

WEN Jia-Ru ^, ,
HUANG Tao

Institute of High Energy Physics,Academia Sinica,Beijing

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Abstract：
We treat baryons as solitons and compute static properties of them in a SU(2)×SU(2) non-linear σ model which contains only a sixth-order term to stabilize solitons.The prediction values in this model are better than that in the Skyrme model,especially the pion decay constant F_π and the axial coupling constant g_A.

References

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N. K. Pak and H. C. Tze, Inn. Phys, 117(1979), 164.[2] A. P. Balachandran, V. P. Nair,S. G. Rajeev and A. Stern, Phys.Rev.Lett, 49(1982),1124;Phys. Rev,D27(1983),1153.[3] E.Witten, Nucl. Phys., 8223(1983), 422.[4] E.Witten, Nucl. Phys., 8223(1983), 433[5] G. Adkins, C. Nappi and E. Witten, Nucl. Phys., B228(1983), 552.[6] A. Jackson, A. D. Jackson, A. S. Goldhaber, G. E. Brown and L. C. Castillejo, Phys. Lest., BI54(1985),101.[7] T. H. R. Skyrme, Proc. Roy. Soc., A260(1961), 127.

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WEN Jia-Ru and HUANG Tao. BARYONS AS SOLITONS IN A NON-LINEAR σ MODEL WITH ONLY A SIXTH-ORDER STABILIZING TERM[J]. Chinese Physics C, 1988, 12(2): 286-288.

WEN Jia-Ru and HUANG Tao. BARYONS AS SOLITONS IN A NON-LINEAR σ MODEL WITH ONLY A SIXTH-ORDER STABILIZING TERM[J]. Chinese Physics C, 1988, 12(2): 286-288. shu

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Received: 1900-01-01
Revised: 1900-01-01

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