Fragmentation Clusters Formed in Supercritical Expansions of ⁴He

Authors

T. Jiang, University of Rhode Island
J. A. Northby, University of Rhode IslandFollow

Document Type

Article

Date of Original Version

4-27-1992

Abstract

We have measured the mass distribution of cluster ions formed from a supercritical expansion of helium gas. We find two distinct cluster groups which we identify as condensation and fragmentation clusters. The latter first appear when the expansion conditions approach the critical isentrope. The measurements also suggest that the neutral fragmentation cluster mass distribution is a universal function of the source entropy.

Citation/Publisher Attribution

Jiang, T. & Northby, J. A. (1992). Fragmentation clusters formed in supercritical expansions of ⁴He. Physical Review Letters, 68(17), 2620-2623. doi: 10.1103/PhysRevLett.68.2620

Available at: http://dx.doi.org/10.1103/PhysRevLett.68.2620

Publisher Statement

©1992 The American Physical Society