Cosmology and Astrophysics of Minimal Dark Matter
By Marco Cirelli, Alessandro Strumia, M. Tamburini. 2007
577 citations recorded by the source corpus.
Abstract We consider DM that only couples to SM gauge bosons and fills one gauge multiplet, e.g., a fermion 5-plet (which is automatically stable), or a wino-like 3-plet. We revisit the computation of the cosmological relic abundance including non-perturbative corrections. The predicted mass of, e.g., the 5-plet increases from 4.4 to 10 TeV, and indirect detection rates are enhanced by 2 orders of magnitude. Next, we show that due to the quasi-degeneracy among neutral and charged components of the DM multiplet, a significant fraction of DM with energy E ≳ 10 17 eV (possibly present among ultra-high energy cosmic rays) can cross the Earth exiting in the charged state and may in principle be detected in neutrino telescopes.
View Paper: https://www.semanticscholar.org/paper/292ac49e799bfe5ab8e51be7ece4f4b48a6cc8da
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Citations in the corpus
- In wino veritas? Indirect searches shed light on neutralino dark matter (2013, methodology): “In the plot, we also plotted the wino thermal relic abundance calculated in [21, 22].”
- Lectures on Dark Matter Physics (2016, background): “In certain instances, this can make the difference between discovering the DM or not [93,94].”
- Semi-annihilation of dark matter (2010, background): “Of course, semi-annihilation could coexist with an alternative boost mechanism such as the Sommerfeld enhancement [59, 60, 31] or a local dark matter overdensity [61, 62, 63, 64].”