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Threshold Behaviour of Simple and Double Regge Pole Trajectories |
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| Authors: | A. I. Bugrij |
| Abstract: | 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 = S0 have square-root behaviour independent of the value of α(S0). |
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