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Introduction TherehavebeenmanystudiesofJ/Ψ,Ψ,Ds,andτleptonsincetheopeningoftheBeijingElectron-positronCollider(BEPC)whichhasreceivedworld-widerecognition.Theaccuratemeasurementoftheτleptonmassisperhapsthemostnoteworthy.ThenextrunatBEPCmayincludeastudyofthepolarizationoftheelectronbeam.ThefirststepinthepolarizationstudyatBEPCistomeasurethetransversepolarizationandtooptimizethebeamorbitparameterstoachievemaximumpolarization,soastoprovideusefulinformationforfurtherstudiesoflongitudi… 相似文献
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