Understand
We consider a recently-proposed model which posits the existence of composite dark matter, wherein dark "quarks" transforming as fundamentals under an $SU(3)_d$ gauge group undergo a confining phase and form dark baryons.
- The model attempts to explain both the $\mathcal{O}(1)$ relic density ratio, $\Omega_{\mathrm{dark}}/\Omega_{\mathrm{baryon}}\sim 5.4$, as well as the asymmetric production of both dark and baryonic matter via leptogenesis.
- Though the solution of $\beta$ functions for $SU(3)_c$ and $SU(3)_d$ constitutes the main drive of the model, no threshold corrections were taken into account as the renormalization scale crosses the mass threshold of the heavy new fields in the model.
- We extend this work by explicitly calculating the threshold-corrected renormalization-group flow for the theory using an effective-field matching technique.
Built on
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Matching coefficients for alpha(s) and m(b) to O(alpha**2(s)) in the MSSM
A. Bauer, L. Mihaila, and J. Salomon · 2009
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Hylogenesis: A Unified Origin for Baryonic Visible Matter and Antibaryonic Dark Matter
Hooman Davoudiasl, David E. Morrissey, Kris Sigurdson, and Sean Tulin · 2010
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Then
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