Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Measurement of the Reactions e+ee+e and e+e→γγ at \sqrts=52 GeV
Koya AbeKatsuya AmakoYasuo AraiYuzo AsanoHerbert BoernerMasami ChibaYasuo ChibaMotomasa DaigoTsuneo EmuraIchita EndoMineo FukawaToru FukuiYasutaka FukushimaJunji HabaIzumi HayashibaraYasuo HemmiMasato HiguchiTachishige HiroseYoshifumi HojyoYasuhiro HommaYoshimoto HoshiYoichi IkegamiNobuhiro IshiharaTakuya KamitaniNobuyuki KanematsuJunichi KanzakiRyusaburo KikuchiTakahiko KondoTadashi KosekiKiyoshi KuboHisaya KurashigeKeisuke MaehataTakayuki MatsuiMasayuki MinamiKozo MiyakeShigeki MoriYorikiyo NagashimaYuji NakagawaTeruo NakamuraItsuo NakanoYoshiei NoguchiShigeru OdakaKazuo OgawaTaro OhamaTakashi OhsugiAtsuo OnoHitoshi OsabeHitoshi SaitoHisaharu SakaeHiroshi SakamotoShizuo SakamotoMisao SakanoMakoto SakudaNoboru SasaoMinoru SatoMasaomi ShiodenJunpei ShiraiFumihiko SuekaneShojiro SugimotoTakayuki SumiyoshiYoichiro SuzukiYoshihisa TakadaFumihiko TakasakiAtsushi TaketaniNorio TamuraReisaburo TanakaYoshiki TeramotoKeijiro TobimatsuToru TsuboyamaAkira TsukamotoSadaharu UeharaYoshinobu UnnoMikio WakaiMasayoshi WakeTakashi WatanabeYoshiyuki WataseYoshikazu YamadaTaketora YamagataToshihiro YamashitaHajime Yoshida
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1987 Volume 56 Issue 11 Pages 3767-3770

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Abstract

The differential cross sections for e+ee+e and e+e→γγ have been measured at the highest energy of \sqrts=52 GeV in e+e collisions.The process e+ee+e is well understood within the framework of the standard model of electroweak interactions. The reaction e+e→γγ is found to be in good agreement with QED. The 95% confidence limits obtained for the QED cut-off parameters are Λ+>61 GeV and Λ>72 GeV for e+e→γγ.

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