Spin Exchange Rates in Proton-Hydrogen Collisions (2007)
Furlanetto, Steven, Furlanetto, Michael
The spin temperature of neutral hydrogen, which determines the optical depth and brightness of the 21 cm line, is determined by the competition between radiative and collisional processes. Here we...
Spin Exchange Rates in Electron-Hydrogen Collisions (2006)
Furlanetto, Steven, Furlanetto, Michael
The spin temperature of neutral hydrogen, which determines the 21 cm optical depth and brightness temperature, is set by the competition between radiative and collisional processes. In the...