Hadronic Axion

Search for solar axions emitted in the M1-transition of 7Li* with Borexino CTF G. Bellini, J. Benziger et All (The Borexino Collaboration) The European Physical Journal C Volume 54, issue 1, March 2008, pages 61–72 (Published 29 January 2008) doi:10.1140/epjc/s10052-008-0530-9 (local copy) Abstract Results