<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Chip,</div><div class=""> And the helical trajectory of any double-looping photon in the relativistic electron model is</div><div class=""></div></body></html>