I. Triggers

发表

Multi-photon production in e(+)e(-) collisions at root s=181-209 GeV

Richard J. K. Taylor, Ward, M. Hauschild, 2002 .

Multi-Photon Production in e + e − Collisions at √ s = 181 − 209 GeV The OPAL Collaboration

Richard J. K. Taylor, Ward, M. Hauschild, 2008 .