| 書目名稱 | Elementary Particle Physics | | 副標題 | Multiparticle Aspect | | 編輯 | Paul Urban | | 視頻video | http://file.papertrans.cn/308/307404/307404.mp4 | | 叢書名稱 | Few-Body Systems | | 圖書封面 |  | | 描述 | The observation of the scaling properties of the structure functions w and vw of deep inelastic electron 1 2 nucleon scattering [1]+ has been taken by many people as an indication for an approximate scale invariance of the world. It was pointed out by Wilson [2], that in many field theories it is possible to assign a dimension d to every fundamental field, which proves to be a conserved quantum number as far as the most singular term of an operator product expansion at small distances ((x-y) +a) is con- JJ cerned++. Later it was shown, at the canonical level, that in many field theories the dimension of a field seems to be a c:pod quantum number even in the terms less singular at small (x-y) , as long as they all belong to the strongest l light cone singularity (i. e. (x-y)2+a) [3]. The assumption that this type of scale invariance on the light cone be present in the operator product ex- pansion of two electromagnetic currents has provided us with a rather natural explanation of the observed scaling phenomena. We should like to mention, however, that this ex- planation cannot account for the precocity with which scaling is being observed experimentally in energy regions, in which r | | 出版日期 | Conference proceedings 1972 | | 關(guān)鍵詞 | Elementarteilchen; Particle Physics; elementary particle | | 版次 | 1 | | doi | https://doi.org/10.1007/978-3-7091-4034-5 | | isbn_softcover | 978-3-7091-4036-9 | | isbn_ebook | 978-3-7091-4034-5 | | copyright | Springer-Verlag Wien 1972 |
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