scholarly journals Is the cosmic microwave background telling us that dark matter is weaker than weakly interacting?

2013 ◽  
Vol 88 (8) ◽  
Author(s):  
Dan Hooper
Keyword(s):  
Dark Matter ◽  
Cosmic Microwave Background ◽  
Microwave Background ◽  
Weakly Interacting

scholarly journals Searching for dark matter constituents with many solar masses

2016 ◽  
Vol 31 (16) ◽  
pp. 1650093 ◽  
Author(s):  
Paul H. Frampton
Keyword(s):  
Black Holes ◽  
Dark Matter ◽  
Cosmic Microwave Background ◽  
Massive Particle ◽  
Search Strategies ◽  
Observational Constraints ◽  
Primordial Black Holes ◽  
Microwave Background ◽  
Weak Scale ◽  
Weakly Interacting

Searches for dark matter (DM) constituents are presently mainly focused on axions and weakly interacting massive particle (WIMPs) despite the fact that far higher mass constituents are viable. We discuss and dispute whether axions exist and those arguments for WIMPs which arise from weak scale supersymmetry. We focus on the highest possible masses and argue that, since if they constitute all DM, they cannot be baryonic, they must uniquely be primordial black holes. Observational constraints require them to be of intermediate masses mostly between ten and a hundred thousand solar masses. Known search strategies for such PIMBHs include wide binaries, cosmic microwave background (CMB) distortion and, most promisingly, extended microlensing experiments.

scholarly journals Distortion of Cosmic Microwave Background Radiation and Decay of Weakly Interacting Particles

1988 ◽  
Vol 130 ◽  
pp. 509-509
Author(s):  
Katsuhiko Sato ◽  
Masahiro Kawasaki
Keyword(s):  
Cosmic Microwave Background ◽  
Microwave Radiation ◽  
Radiative Decay ◽  
Background Radiation ◽  
Weakly Interacting Massive Particles ◽  
Interacting Particles ◽  
Microwave Background ◽  
Weakly Interacting ◽  
Microwave Background Radiation ◽  
Weakly Interacting Particles

Recently Nagoya-Berkeley group (Matsumoto et al, 1987) observed microwave radiation in the Wien region precisely and found the excess of temperature. In the previous paper (kawasaki and Sato, 1986), we investigated the distortion of the spectrum of microwave background radiation due to the radiative decay of weakly interacting massive particles. At that time, however, the distortion was not observed. In the present paper, we investigated in detail whether the decay of WIMPs can account for the observed distortion of the spectrum or not. In Fig. 1, an example is shown.

scholarly journals Constraints on neutrino-dark matter interactions from cosmic microwave background and large scale structure data

2010 ◽  
Vol 81 (4) ◽  
Author(s):  
Paolo Serra ◽  
Federico Zalamea ◽  
Asantha Cooray ◽  
Gianpiero Mangano ◽  
Alessandro Melchiorri
Keyword(s):  
Dark Matter ◽  
Cosmic Microwave Background ◽  
Structure Data ◽  
Large Scale ◽  
Large Scale Structure ◽  
Scale Structure ◽  
Microwave Background
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