A search for stable strange quark matter nuggets in helium

Details A search for stable strange quark matter nuggets in helium A search for stable strange quark matter nuggets in helium

1995-10-26

arxiv.org/abs/nucl-ex/9510003v2

Phys.Lett. B365 (1996) 418-422

Physics

Nuclear Physics

Nuclear Experiment

11 pages RevTeX, Accepted for publication in Physics Letters B. 2 updated references added. Air abundance to cosmic abundance

Scientific paper

10.1016/0370-2693(95)01443-8

A search for stable strange quark nuggets has been conducted in helium and argon using a high sensitivity mass spectrometer. The search was guided by a mass formula for strange quark nuggets which suggested that stable strange helium might exist at a mass around 65 u. The chemical similarity of such ``strangelets'' to noble gas atoms and the gravitational unboundedness of normal helium result in a large enhancement in the sensitivity of such a search. An abundance limit of no more than $2 \cdot 10^{-11}$ strangelets per normal nucleus is imposed by our search over a mass region from 42 to 82 u, with much more stringent limits at most (non-integer) masses.

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