Exploration of the $\ps-\pb$ Relation for Wind-Fed X-Ray Pulsars

Hai-Lang Dai, Xi-Wei Liu, Xiang-Dong Li

We have investigated the relation between the orbital periods ($\pb$) and the spin periods ($\ps$) of wind-fed X-ray pulsars in high-mass X-ray binaries (HMXBs), based on populatio…