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Zero-Range Effective Field Theory for Resonant Wino Dark Matter III. Annihilation Effects
Eric Braaten, Evan Johnson, Hong Zhang
Near a critical value of the wino mass where there is a zero-energy S-wave resonance at the neutral-wino-pair threshold, low-energy winos can be described by a zero-range effective…
Conformality Lost in Efimov Physics
Abhishek Mohapatra, Eric Braaten
A general mechanism for the loss of conformal invariance is the merger and disappearance of an infrared fixed point and an ultraviolet fixed point of a renormalization group flow.…
Effective field theory for resonant wino dark matter
Evan Johnson, Hong Zhang, Eric Braaten
Enhancements in WIMP annihilation rates have been identified with a nonperturbative "Sommerfeld enhancement" arising from the exchange of light mediators. At certain critical value…
Zero-Range Effective Field Theory for Resonant Wino Dark Matter II. Coulomb Resummation
Eric Braaten, Evan Johnson, Hong Zhang
Near a critical value of the wino mass where there is a zero-energy S-wave resonance at the neutral-wino-pair threshold, low-energy winos can be described by a zero-range effective…
Mass Dependence of Higgs Production at Large Transverse Momentum through a Bottom Quark Loop
Eric Braaten, Hong Zhang, Jia-Wei Zhang
In the production of the Higgs through a bottom-quark loop, the transverse momentum distribution of the Higgs at large is complicated by its dependence on two other important…
Zero-Range Effective Field Theory for Resonant Wino Dark Matter I. Framework
Eric Braaten, Evan Johnson, Hong Zhang
The most dramatic "Sommerfeld enhancements" of neutral-wino-pair annihilation occur when the wino mass is near a critical value where there is a zero-energy S-wave resonance at the…