Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-11-09
Phys.Rev. D71 (2005) 074009
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 9 figures, submitted to Physical Review D
Scientific paper
10.1103/PhysRevD.71.074009
We discuss the stability of strangelets by considering dynamical chiral symmetry breaking and confinement. We use a $U(3)_{L} \times U(3)_{R}$ symmetric Nambu--Jona-Lasinio model for chiral symmetry breaking supplemented by a boundary condition for confinement. It is shown that strangelets with baryon number $A < 2 \times 10^{3}$ can stably exist. For the observables, we obtain the masses and the charge-to-baryon number ratios of the strangelets. These quantities are compared with the observed data of the exotic particles.
Hosaka Atsushi
Toki Hiroshi
Yasui Shigehiro
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