AliyahResearch.com has done and is doing research on olim; my understanding is that a primary focus of his study is American Chareidim.
There’s one completed research paper accessible online; here’s how it’s listed on the site:
- Challenges and Psychological Adjustment of Religious American Adolescent Immigrants to Israel. This complete qualitative study investigated the immigration process and adjustment of recent religious US immigrant teens to Israel. Click here for the research article describing the study and results.
This is also online: