Dave, I had the same surgery on my right arm for the same injury in 2000. The big thing that the doctors were looking for prior to reattaching the tendon was whether or not the bone pulled away with the tendon - luckily mine didn't because they said that it would have prolonged the recovery. My right bicep tendon literally peeled right off of the bone. I was at the time, and still am, an active duty Marine so the choice for surgery was an easy one for me! The surgery was fine and recovery was fairly quick although I went under the knife only 4 days after the injury. I wasn't in a hurry to shoot a bow afterwards, my main goal was to get back up on a pull up bar. For what it is worth, pay close attention to your diet as you heal because it will have a dramatic difference with how soon you will be back to normal. Nicotine will lengthen the time it takes for you to recover (so they say), for me; Copenhagen seemed to be part of my recovery!
I am not sure how they intend on attaching the tendon, but they drilled a hole in my bone, pulled the tendon through, separated the end of the tendon, and literally sewed it to the bone. Recovery time wasn't all that bad at all. I was a 30-year-old Captain at the time and was in pretty good shape.
For what it is worth, that happened during my first tour at Parris Island, I am now here for the second time. The tree that I was climbing during the accident has been cut down to make way for a new housing development. I wanted to cut it down myself but never got the chance to do so. I was climbing a tree with a new set of binos in my left hand. One handed pull ups are only good for gymnists, not 230 pound former discus throwers!