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The spectrum of the massive Schwinger model in the strong coupling region isobtained by using the light-front Tamm-Dancoff (LFTD) approximation up toincluding six-body states. We numerically confirm that the two-meson boundstate has a negligibly small six-body component. Emphasis is on the usefulnessof the information about states (wave functions). It is used for identifyingthe three-meson bound state among the states below the three-meson threshold.We also show that the two-meson bound state is well described by the wavefunction of the relative motion.Comment: 19 pages, RevTeX, 7 figures are available upon request; Minor errors  have been corrected; Final version to appear in Phys.Rev.

Six-body light-front Tamm-Dancoff approximation and wave functions for the massive Schwinger model