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[ascl:0101.001] MILLISEARCH: A Search for Millilensing in BATSE GRB Data

The millisearch.for code was used to generate a new search for the gravitational lens effects of a significant cosmological density of supermassive compact objects (SCOs) on gamma-ray bursts. No signal attributable to millilensing was found. We inspected the timing data of 774 BATSE-triggered GRBs for evidence of millilensing: repeated peaks similar in light-curve shape and spectra. Our null detection leads us to conclude that, in all candidate universes simulated, OmegaSCO < 0.1 is favored for 105 < MSCO/Modot < 109, while in some universes and mass ranges the density limits are as much as 10 times lower. Therefore, a cosmologically significant population of SCOs near globular cluster mass neither came out of the primordial universe, nor condensed at recombination.

Code site:
http://dx.doi.org/10.20356/C4059B
Appears in:
http://adsabs.harvard.edu/abs/2001PhRvL..86..580N
Bibcode:
2001ascl.soft01001N

ascl:0101.001
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