No. 201, "Hard X-rays in Descent," by Aidan O'Flannagain and John Brown: A novel test of the thick-target model for hard X-ray emission. See

http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/Hard_X-rays_in_Descent

Older Nuggets are available at
http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets
 (the current series, 2008-present), and at
http://sprg.ssl.berkeley.edu/~tohban/nuggets/ (the original series, 2005-2008).

We publish these at roughly two-week intervals and welcome contributions, which should be related, at least loosely, to RHESSI science.