We present for the first time precise spectroscopic information on the recently discovered decay mode beta-delayed 3p-emission. The detection of the 3p events gives an increased sensitivity to the high energy part of the Gamow-Teller strength distribution from the decay of 31Ar revealing that as much as 30% of the strength resides in the beta-3p decay mode. A simplified description of how the main decay modes evolve as the excitation energy increases in 31Cl is provided.
Cite
@article{arxiv.1404.2143,
title = {Sizeable beta-strength in 31Ar(beta-3p) decay},
author = {G. T. Koldste and B. Blank and M. J. G. Borge and J. A. Briz and M. Carmona-Gallardo and L. M. Fraile and H. O. U. Fynbo and J. Giovinazzo and J. G. Johansen and A. Jokinen and B. Jonson and T. Kurturkian-Nieto and T. Nilsson and A. Perea and V. Pesudo and E. Picado and K. Riisager and A. Saastamoinen and O. Tengblad and J. -C. Thomas and J. Van de Walle},
journal= {arXiv preprint arXiv:1404.2143},
year = {2015}
}