Interference of resonances and observation of the \Theta^{+}-pentaquark

Abstract

After brief discussion of how the quantum interference may influence manifestations of resonances, description is given of the recent experimental evidence for possible manifestation of the \Theta^{+}-photoproduction in interference with the \phi-photoproduction.

Comments: 7 pages, 1 figure, LATEX, uses hsqcd.cls (included); presented at the International Workshop HSQCD 2012, St.Petersburg, Russia, 4--8 July, 2012; to appear in the Proceedings