142 citations · 606 across the 25 of their papers we have counts for
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Wino dark matter annihilation through the radiative formation of bound states
Evan Johnson, Eric Braaten, Hong Zhang
The most dramatic "Sommerfeld enhancements" of neutral-wino-pair annihilation occur when the wino mass is tuned to near critical values where there is a zero-energy S-wave resonanc…
Emission of Photons and Relativistic Axions from Axion Stars
Eric Braaten, Abhishek Mohapatra, Hong Zhang
The number of nonrelativistic axions can be changed by inelastic reactions that produce photons or relativistic axions. Any odd number of axions can annihilate into two photons. An…
Nonrelativistic Effective Field Theory for Axions
Eric Braaten, Abhishek Mohapatra, Hong Zhang
Axions can be described by a relativistic field theory with a real scalar field whose self-interaction potential is a periodic function of . Low-energy axions, such as those…
RG-improved Prediction for 750 GeV Resonance Production at the LHC
Xiaohui Liu, Hong Zhang
We present a renormalization-group (RG) improved prediction for GeV heavy state production recently seen as the diphoton excess at the LHC. Due to the universality of QCD fea…