Article 2360 N. H. Hakobyan V. M. Aroutiounian H. L. Margaryan V. K. Abrahamyan D. L. Hovhannisyan Journal of Contemporary Physics (Armenian Academy of Sciences) Vol. 45, No. 6 pp. 278–285 2010 http://www.springer.com/physics/particle+and+nuclear+physics/journal/11958