Browsing by Autor "Yunfeng Ai"

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    A POSSIBLE NEW PICTURE TO EXPLAIN THE EXPERIMENTS ON THE NEW PARTICLES——TWO NEUTRAL VECTOR GLUON MODEL
    (1976) T Uang; Yunfeng Ai
    In this article we are trying to propose a new picture which may explain the experiments on the new particles. It is suggested that not only the new particles may be made of new stratons, but also new stratons may have new interactions, different from those between old stratons. Concretely speaking, the gluons mediating the super-strong interaction between new stratons and that between old stratons may be of two different kinds, and the interactions between new stratons and old ones inebriated by the two kinds of gluons may be relatively weak. It is pointed out that this picture, together with the assumption that both of the two gluons are neutral vector particles, is capable of explaining some remarkable aspects of the recent experimental data on new particles self-consistently.
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    A SIXTH-ORDER CALCULATION OF THE HIGH-ENERGY BEHAVIOUR OF THE FORM-FACTORS IN NON-ABELIAN GAUGE THEORIES
    (1976) Yunfeng Ai
    The high-energy behaviour of the Fermion form-factors in non-Abelian theories is calculated to the sixth order in the perturbation theory. Certain manipulation methods and criterions for checking the results are found to guarantee that, when domains of integration having leading contributions are separated out, no double-counting or omission is made. Results of the calculation show that, to the leading order in logarithms, the gauge group scalier part of the form-factor exponentiates, while the gauge group vector part does not. The breaking of the exponentiation of the latter begins at the sixth order.