Scaling of P-wave excitation energies in heavy-quark systems

被引:16
作者
Karliner, Marek [1 ]
Rosner, Jonathan L. [2 ,3 ]
机构
[1] Tel Aviv Univ, Sch Phys & Astron, Raymond & Beverly Sackler Fac Exact Sci, IL-69978 Tel Aviv, Israel
[2] Univ Chicago, Enrico Fermi Inst, 5640 South Ellis Ave, Chicago, IL 60637 USA
[3] Univ Chicago, Dept Phys, 5640 South Ellis Ave, Chicago, IL 60637 USA
关键词
D O I
10.1103/PhysRevD.98.074026
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A simple regularity in anticipating P-wave excitation energies of states with heavy quarks is noted. It can apply to systems such as the negative-parity Sigma(c), Sigma(b), and Omega(c), (Q) over barQ quarkonia, and the bottom-charmed meson B-c. When one subtracts a term accounting for phenomenological energies of heavy quarks binding with one another in S-waves, the residual excitation energies display an approximately linear behavior in the reduced mass of constituents, all the way from the Lambda to the gamma.
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页数:5
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