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Measurement of exclusive gamma gamma -> W+W- production and search for exclusive Higgs boson production in pp collisions at root s=8 TeV using the ATLAS detector
ATLAS Collaboration
2016
发表期刊PHYSICAL REVIEW D
卷号94期号:3
文章类型Article
摘要Searches for exclusively produced W boson pairs in the process pp(gamma gamma) -> pW(+) W- p and an exclusively produced Higgs boson in the process pp(gg) -> pHp have been performed using e(+/-) mu(-/+) final states. These measurements use 20.2 fb(-1) of pp collisions collected by the ATLAS experiment at a center-of-mass energy root s = 8 TeV at the LHC. Exclusive production of W+ W- consistent with the Standard Model prediction is found with 3.0 sigma significance. The exclusive W+ W- production cross section is determined to be sigma(gamma gamma -> W+ W- -> e(+/-) mu(-/+) X) = 6.9 +/- 2.2(stat) +/- 1.4(sys) fb, in agreement with the Standard Model prediction. Limits on anomalous quartic gauge couplings are set at 95% confidence level as -1.7 x 10(-6) < a(0)(W) / Lambda(2) < 1.7 x 10(-6) GeV-2 and -6.4 x 10(-6) < a(C)(W) / Lambda(2) < 6.3 x 10(-6) GeV-2. A 95% confidence-level upper limit on the total production cross section for an exclusive Higgs boson is set to 1.2 pb.
DOI10.1103/PhysRevD.94.032011
关键词[WOS]2-PHOTON PROCESSES ; LHC ; PHYSICS
语种英语
WOS记录号WOS:000383046500001
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260914
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Measurement of exclusive gamma gamma -> W+W- production and search for exclusive Higgs boson production in pp collisions at root s=8 TeV using the ATLAS detector[J]. PHYSICAL REVIEW D,2016,94(3).
APA ATLAS Collaboration.(2016).Measurement of exclusive gamma gamma -> W+W- production and search for exclusive Higgs boson production in pp collisions at root s=8 TeV using the ATLAS detector.PHYSICAL REVIEW D,94(3).
MLA ATLAS Collaboration."Measurement of exclusive gamma gamma -> W+W- production and search for exclusive Higgs boson production in pp collisions at root s=8 TeV using the ATLAS detector".PHYSICAL REVIEW D 94.3(2016).
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