Mystery remains for GRB theorists as to why no gamma ray transients can be found for non repeating FRB’s. https://arxiv.org/pdf/2410.13561
This lack of a gamma transient for this FRB is easily accounted for in my proposed theoretical model Here which describes the physical mechanisms responsible for the observed GRB and FRB transients. An FRB in my model, is proposed to be simply a very fast, very short timescale GRB.
FRB’s are just very short Gammaraybursts. Their observed activity in all frequencies are compressed proportionally on the timescale compared to their larger relative, the GRB. As an FRB has at most a second long transient in radio, it will have a proportionally much smaller transient time length in gamma. The observed total luminosity in each frequency would also in turn be proportionally less the shorter the observed transient length.
My model predicts here and on other pages of this blog that instead of the usually observed; seconds for gamma, minutes to hours for optical and days for radio transients normally seen in GRB’s, single FRB’s should have all their frequency transients durations on much shorter timescales length. Notice that the entire observed radio transient for FRB20190203 was only in fractions of seconds. One only has to see that if a fast radio burst is only seconds long in radio frequencies, not for days as observed in the GRB radio transient, then it is clear that under my model, outlined in the link above, an FRB optical transient is predicted to be only on the order of a thousands of a second long. And in turn this model predicts that the FRB Gamma transient must last for even shorter timescales in many order smaller than a thousandth of a second timescale.
No wonder they can’t find optical or gamma transients for FRB’s. They are far too short to be recorded with our current technology
