"participated briefly" is a correct and usable phrase in written English.
You can use it to refer to someone's involvement in an activity that was short-lived. For example, "John participated briefly in our book club before he moved away."
Percy Miller, the rapper known as Master P, participated briefly with the Charlotte Hornets in preseason activity a couple of seasons ago.
Before his speech, he participated briefly in a project to rehabilitate a trail in the park, and with those exertions and the speech that followed them, he was also trying to rehabilitate his image on environmental matters.
Thanks to Robert Scoble who participated briefly in the interview.
We certainly played backyard ball for a few more seasons, and I managed to participate briefly in some lame baseball in junior high school.
The closest I ever came to playing a team sport was participating, briefly, on the swim team.
Over time, the Pentagon recruited more than 75 retired officers, although some participated only briefly or sporadically.
Mukuka had briefly participated in the space program as a teenager and remembered rolling downhill in an oil drum.
I was a non-combat Vietnam veteran and a college student who briefly participated in the movement until it lost its luster for me.
This year he briefly participated in the early stages of the Franklin search.Perseverance and luck both played a part in the discovery.
After the episode on Nov. 1 last year — which Noah Gotbaum described to others as a "breakdown" and family members later came to refer to as a possible suicide attempt — Carol Gotbaum briefly participated in a therapy routine at St . Lukes-Roosevelt, but told relatives that she found it unhelpful.
His first nationalistic music was written during the 1848 Prague uprising, in which he briefly participated.
