Intermediate mass strangelets are positively charged

Details Intermediate mass strangelets are positively charged Intermediate mass strangelets are positively charged

2000-08-21

arxiv.org/abs/hep-ph/0008217v3

Phys.Rev.Lett.85:4687-4690,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

Final version, slightly shortened. To appear in Phys.Rev.Lett.85, p.4687 (27 Nov 2000)

Scientific paper

10.1103/PhysRevLett.85.4687

For a limited range of parameters, stable strange quark matter may be negatively charged in bulk due to one gluon exchange interactions. However, the reduction in strange quark occupation in the surface layer, which is responsible for surface tension, more than compensates this for intermediate mass strangelets, which therefore always have positive quark charge (e.g. for baryon number between 10^2 and 10^{18} assuming alpha_S=0.9). While details are sensitive to the choice of renormalisation, the general conclusion is not. This rules out a scenario where negatively charged strangelets produced in ultrarelativistic heavy ion colliders might grow indefinitely with potentially disastrous consequences.

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