{\bf COL}D {\bf T}ARGET
{\bf R}ECOIL {\bf I}ON 
{\bf M}OMENTUM {\bf S}PECTROSCOPY ({\bf COLTRIMS}),
A MOMENTUM MICROSCOPE WITH SUBATOMIC RESOLUTION

V. Mergel$^1$, R. D\"orner$^1$, O. Jagutzki$^1$, L. Spielberger$^1$, M.
Achler$^1$, L. Schmidt$^1$, J. Ullrich$^2$, R. Moshammer$^2$, C.L.
Cocke$^3$ and H. Schmidt-B\"ocking$^1$

$^1$Institut f\"ur Kernphysik, Universit\"at Frankfurt, August-Euler-Str.6,
60486 Frankfurt, Germany.
$^2$Fakultät für Physik, Hermann-Herderstr., Freiburg, Germany.
$^3$Kansas State University, Manhattan/Kansas, USA.

COLTRIMS is a single atom momentum microsope visualizing the dynamics of
microscopic matter.
This technique measures the momentum vectors of in principle all charged
fragments which are emitted in ionizing
reactions and combines two contrary features in research: efficiency and
resolution.