Abstract
What is so special about the new particles and why is there such excitement? So many old particles have been known for a long time that the discovery of an additional particle has created very little excitement. An unbiased observer from another field would conclude “seen one particle, seen them all.” However, the new particles were immediately seen to be peculiar and interesting because they are very narrow states at high excitation and nobody still understands why these states are so narrow. The only argument given supporting the narrowness is based on the Okubo-Zweig-Iizuka rule, but nobody understands the OZI rule even for the old particles, where many interesting open questions still remain. There must be interesting physics in this rule worthy of further theoretical and experimental investigation. The major part of these talks is devoted to interesting questions regarding the theoretical validity and possible experimental tasks of the OZI rule.
Supported in part by the Israel Commission for Basic Research and the U.S.E.R.D.A., Division of Physical Research.
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Lipkin, H.J. (1978). Can Pedestrians Understand the New Particles?. In: Zichichi, A. (eds) Understanding the Fundamental Constituents of Matter. The Subnuclear Series, vol 14. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-0931-4_5
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