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Search for Narrow Resonances in Dijet Final States at root s=8 TeV with the Novel CMS Technique of Data Scouting
CMS Collaboration
2016
发表期刊PHYSICAL REVIEW LETTERS
卷号117期号:3
文章类型Article
摘要A search for narrow resonances decaying into dijet final states is performed on data from proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 18.8 fb(-1). The data were collected with the CMS detector using a novel technique called data scouting, in which the information associated with these selected events is much reduced, permitting collection of larger data samples. This technique enables CMS to record events containing jets at a rate of 1 kHz, by collecting the data from the high-level-trigger system. In this way, the sensitivity to low-mass resonances is increased significantly, allowing previously inaccessible couplings of new resonances to quarks and gluons to be probed. The resulting dijet mass distribution yields no evidence of narrow resonances. Upper limits are presented on the resonance cross sections as a function of mass, and compared with a variety of models predicting narrow resonances. The limits are translated into upper limits on the coupling of a leptophobic resonance Z'(B) to quarks, improving on the results obtained by previous experiments for the mass range from 500 to 800 GeV.
DOI10.1103/PhysRevLett.117.031802
关键词[WOS]P(P)OVER-BAR COLLISIONS ; MASS-DISTRIBUTION ; HADRON COLLIDERS ; SPECTRUM ; BOSONS ; QUARK
语种英语
WOS记录号WOS:000379659500002
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260695
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. Search for Narrow Resonances in Dijet Final States at root s=8 TeV with the Novel CMS Technique of Data Scouting[J]. PHYSICAL REVIEW LETTERS,2016,117(3).
APA CMS Collaboration.(2016).Search for Narrow Resonances in Dijet Final States at root s=8 TeV with the Novel CMS Technique of Data Scouting.PHYSICAL REVIEW LETTERS,117(3).
MLA CMS Collaboration."Search for Narrow Resonances in Dijet Final States at root s=8 TeV with the Novel CMS Technique of Data Scouting".PHYSICAL REVIEW LETTERS 117.3(2016).
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