Search for the X-b and other hidden-beauty states in the pi(+)pi(-)gamma(1S) channel at ATLAS
ATLAS Collaboration
刊名PHYSICS LETTERS B
2015
卷号740页码:199-217
学科分类Astronomy & Astrophysics; Physics
DOI10.1016/j.physletb.2014.11.055
文章类型Article
英文摘要This Letter presents a search for a hidden-beauty counterpart of the X(3872) in the mass ranges of 10.05-10.31 GeV and 10.40-11.00 GeV, in the channel X-b -> pi(+)pi(-)gamma(1S)(-> mu(+)mu(-)), using 16.2 fb(-1) of root s = 8 TeV pp collision data collected by the ATLAS detector at the LHC. No evidence for new narrow states is found, and upper limits are set on the product of the Xb cross section and branching fraction, relative to those of the gamma(25), at the 95% confidence level using the CLs approach. These limits range from 0.8% to 4.0%, depending on mass. For masses above 10.1 GeV, the expected upper limits from this analysis are the most restrictive to date. Searches for production of the gamma(1(3)D(J)), gamma(10860), and gamma(11 020) states also reveal no significant signals. (C) 2014 The Authors. Published by Elsevier B.V.
类目[WOS]Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000347046200028
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被引频次:8[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/311005/228160
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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ATLAS Collaboration. Search for the X-b and other hidden-beauty states in the pi(+)pi(-)gamma(1S) channel at ATLAS[J]. PHYSICS LETTERS B,2015,740:199-217.
APA ATLAS Collaboration.(2015).Search for the X-b and other hidden-beauty states in the pi(+)pi(-)gamma(1S) channel at ATLAS.PHYSICS LETTERS B,740,199-217.
MLA ATLAS Collaboration."Search for the X-b and other hidden-beauty states in the pi(+)pi(-)gamma(1S) channel at ATLAS".PHYSICS LETTERS B 740(2015):199-217.
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