SPECTRAL FUNCTION SUM RULES FOR TENSOR CURRENTS AND RHO-MESON ELECTROMAGNETIC MASS DIFFERENCE

被引:1
作者
COOK, PA
JOSHI, GC
机构
[1] Mathematical Institute, University of Kent, Canterbury, England
[2] Department of Physics, Rutgers, The State University, New Brunswick, NJ
基金
美国国家科学基金会;
关键词
D O I
10.1016/0550-3213(69)90114-X
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
From the va;idity of equal-time commutation relations of the vector and the antisymmetric tensor currents, spectral function sum rules are derived which relate the spectral functions of vector currents to the spectral functions of the antisymmetric tensor currents. Saturation of these sum rules with single particle states is discussed. These sum rules are then used to calculate the electromagnetic mass splitting of the ρ-meson, with the result that ρ0 is predicted to be heavier than ρ±. © 1969.
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页码:253 / &
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