Secondary trajectories and the saturation of finite energy sum rules

Swift, Arthur R. and Tucker, Robin (1969) Secondary trajectories and the saturation of finite energy sum rules. Physical Review, 186 (5). pp. 1553-1559. ISSN 0031-899X

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Abstract

A study is made of the constraints placed upon the couplings and resonance spectrum required to saturate finite-energy sum rules consistently in the region around t=0 . It is argued that the probable existence of crossing trajectories and cuts places a fundamental limit on the usefulness of finite-energy sum rules. The demand that the spin of the resonances increase monotonically with mass implies that an infinite number of asymptotically parallel daughter trajectories in the resonance region are required for consistency. This result is independent of any statement about the energy dependence of the leading trajectory.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3100
Subjects:
?? general physics and astronomyphysics and astronomy(all) ??
ID Code:
74849
Deposited By:
Deposited On:
31 Jul 2015 14:02
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 09:46