Hey Possible. I don't always have a ton of time to post. Keep writing...others will chime in, too.
I'd say stop trying to contact your WAW right now. She sounds pretty closed off. Your best bet is to let her cool off first. It may take awhile. Sooner or later, she'll peak out to test the waters.
Also, no more contacting OM. No more discussing OM with her. That's just pressure, and will make her run like crazy.
At this point, remember, she is essentially single. If you act like you still have some relationship with her, she will run fast and far. It's time for you to focus on yourself, and let her figure out her own head. At the moment, you can't help her.
Yes, affairs are usually intense, but brief. When left alone, they will generally run their course. Your best best it to just stay out of the trainwreck.
I've observed, as well, that those in walk-away mode shun anyone who doesn't further their fantasy. Family, old friends, whatever... That will pass, too, eventually.
Actually, DR does discuss affairs. There's a lot of good advice in there.