4 papers
On Black Holes Surrounded by Radiation II: Thermodynamics
Marcos Riojas, Matthew J. Strassler
In a companion paper we considered a Schwarzschild black hole of mass enveloped by a thick "ocean'' of massless particles that extends the black hole's photon sphere into a reg…
On Black Holes Surrounded by Radiation: I. Classical Considerations
Marcos Riojas, Matthew J. Strassler
We consider spherically symmetric static solutions to Einstein's equations describing a Schwarzschild black hole enveloped by a thick shell of orbiting massless particles with zero…
On the Simulation of Hidden Parton Showers in the Conformal Window
Suchita Kulkarni, Joshua Lockyer, Matthew J. Strassler
We consider confining Hidden Valley/Dark Sector theories containing many dark quark flavors. These theories are in the ``conformal window'': they reach an infrared fixed point when…
Limits on an Exotic Higgs Decay From a Recast ATLAS Four-Lepton Analysis
Junyi Cheng, Rabia Husain, Lingfeng Li +1
The ATLAS collaboration, using 139 fb of 13 TeV collisions from the Large Hadron Collider, has placed limits on the decay of a boson to three dark photons. We reproduce…