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Threshold Behaviour of Simple and Double Regge Pole Trajectories
Author(s) -
Bugrij A. I.
Publication year - 1977
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19774890502
Subject(s) - unitarity , physics , simple (philosophy) , plane (geometry) , square root , complex plane , quantum electrodynamics , trajectory , classical mechanics , quantum mechanics , mathematical analysis , geometry , mathematics , philosophy , epistemology
The threshold behaviour of simple and double Regge pole trajectories is studied. It is shown that for a number of cases two particle unitarity gives rise to moving J ‐plane zeros, colliding at threshold with Regge poles. Conditions are found for which Regge trajectories near the threshold S = S 0 have square‐root behaviour independent of the value of α( S 0 ).
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