anticharm

The opposite of charm, or of charm as usually understood.

And yet, just as it made FunHouse look daring, that peculiar Bogosian anticharm managed to turn Talk Radio into an intriguingly nasty, itchy piece of work.

Of or pertaining to an anti-charm quark.

Similarly, any charm quarks produced in the collision have many more partners to choose from; they don't have to run away with an anticharm partner, which causes the number of J/psi mesons to drop. "