[lammps-users] About the source code of NVT ensemble

Hi, everyone,
I am learning LAMMPS source codes. It is said that Nose-Hoover thermostat has been applied in NVT ensemble. But I could not understand the source codes. Where is the mass “Ms” ?

I am be grateful if someone could give me some advice.

If by "mass" you mean the thermostat "mass", then that is
the time constant "t_period" that you input, and is called
that in fix_nvt.cpp