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Zatserklyaniy A, Zdrazil M, Zeitnitz C, Zhang D, Zhang X, Zhao T, Zhao Z, Zhou B, Zhu J, Zielinski M, Zieminska D, Zieminski A, Zitoun R, Zutshi V, Zverev E G
Joint Institute for Nuclear Research, Dubna, Russia.
Phys Rev Lett. 2005 Aug 26;95(9):091801. doi: 10.1103/PhysRevLett.95.091801.
We report the first direct search for the Kaluza-Klein (KK) modes of Randall-Sundrum gravitons using dielectron, dimuon, and diphoton events observed with the D0 detector operating at the Fermilab Tevatron pp(-) Collider at sqrt[s]=1.96 TeV. No evidence for resonant production of gravitons has been found in the data corresponding to an integrated luminosity of approximately equal to 260 pb(-1). Lower limits on the mass of the first KK mode at the 95% C.L. have been set between 250 and 785 GeV, depending on its coupling to standard model particles.
我们报告了首次使用在费米实验室万亿电子伏特加速器质子-反质子对撞机((\sqrt{s}=1.96) TeV)上运行的D0探测器观测到的双电子、双缪子和双光子事例,对兰德尔-桑德鲁姆引力子的卡鲁扎-克莱因(KK)模式进行的直接搜索。在对应于约260皮靶((pb^{-1}))积分亮度的数据中,未发现引力子共振产生的证据。在95%置信水平下,根据其与标准模型粒子的耦合情况,已对首个KK模式的质量设定了250至785 GeV之间的下限。