A new Arxiv preprint (quite esoteric, perhaps relevant to LENR)-
"Cooperative internal conversion process" http://arxiv.org/abs/1511.07164
- proposes a theory in which certain atoms can cooperatively shift their isotopic forms by neutron exchange.
The authors have published a number of other papers possibly explaining nuclear anomalies -
http://arxiv.org/find/nucl-th/1/au:+Kalman_P/0/1/0/all/0/1