A supersonic beam of cold lithium hydride molecules

Details A supersonic beam of cold lithium hydride molecules A supersonic beam of cold lithium hydride molecules

2006-12-16

arxiv.org/abs/physics/0612163v1

J. Chem. Phys. 126, 124314 (2007)

Physics

Atomic Physics

8 pages, 6 figures

Scientific paper

10.1063/1.2711434

We have developed a source of cold LiH molecules for Stark deceleration and trapping experiments. Lithium metal is ablated from a solid target into a supersonically expanding carrier gas. The translational, rotational and vibrational temperatures are 0.9(0.1) K, 5.9(0.5) K and 468(17) K respectively. Although they have not reached thermal equilibrium with the carrier gas, we estimate that 90% of the LiH molecules are in the ground state, X^{1} \Sigma^{+} (v=0, J=0). With a single 7 ns ablation pulse, the number of molecules in the ground state is 4.5(1.8)*10^{7} molecules per steradian. A second, delayed, ablation pulse produces another LiH beam in a different part of the same gas pulse, thereby almost doubling the signal. A long pulse, lasting 150 microseconds, can make the beam up to 15 times more intense.

Affiliated with

Also associated with

No associations

Rating

A supersonic beam of cold lithium hydride molecules does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A supersonic beam of cold lithium hydride molecules, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A supersonic beam of cold lithium hydride molecules will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-369188