Search for large extra dimensions in the diphoton final state at the Large Hadron Collider

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题名:	Search for large extra dimensions in the diphoton final state at the Large Hadron Collider
作者:	Chatrchyan,S;Khachatryan,V;Sirunyan,AM;Tumasyan,A;Adam,W;Bergauer,T;Dragicevic,M;Ero,J;Fabjan,C;Friedl,M;Fruhwirth,R;...etc.
贡献者:	物理學系
关键词:	PHOTON PAIR PRODUCTION;HIERARCHY;GRAVITY;SIGNALS
日期:	2011
上传时间:	2012-06-11 10:53:45 (UTC+8)
出版者:	國立中央大學
摘要:	A search for large extra spatial dimensions via virtual-graviton exchange in the diphoton channel has been carried out with the CMS detector at the LHC. No excess of events above the standard model expectations is found using a data sample collected in proton-proton collisions at root s = 7TeV and corresponding to an integrated luminosity of 36 pb(-1). New lower limits on the effective Planck scale in the range of 1.6-2.3TeV at the 95% confidence level are set, providing the most restrictive bounds to date on models with more than two large extra dimensions.
關聯:	JOURNAL OF HIGH ENERGY PHYSICS
显示于类别:	[物理學系] 期刊論文

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