Time correlations of electron and positive ion emission accompanying and following fracture of a filled elastomer

When filled elastomers fracture intense electron emission (EE) and positive ion emission (PIE) accompany and follow crack propagation, two important components of what we call fracto-emission. We present here results of simultaneous measurements of EE and PIE from polybutadiene filled with glass beads. These measurements indicate that (a) the EE and PIE decay kinetics are identical, (b) substantial components of EE and PIE are emitted in coincidence, and (c) an excited neutral species is also emitted in coincidence with the EE.