Measurement of the cross-section for W boson production in association with b-jets in pp collisions at root s=7 TeV with the ATLAS detector | |
ATLAS collaboration | |
刊名 | JOURNAL OF HIGH ENERGY PHYSICS |
2013 | |
期号 | 6 |
关键词 | MODEL HIGGS-BOSON PARTON DISTRIBUTIONS SEARCH PAIR LHC |
通讯作者 | Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany. |
英文摘要 | This paper reports a measurement of the W+b-jets (W+b+X and W+b (b) over bar +X) production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. These results are based on data corresponding to an integrated luminosity of 4.6 fb(-1), collected with the ATLAS detector. Cross-sections are presented as a function of jet multiplicity and of the transverse momentum of the leading b-jet for both the muon and electron decay modes of the W boson. The W+b-jets cross-section, corrected for all known detector effects, is quoted in a limited kinematic range. Combining the muon and electron channels, the fiducial cross-section for W+b-jets is measured to be 7.1 +/- 0.5 (stat) +/- 1.4 (syst) pb, consistent with the next-to-leading order QCD prediction, corrected for non-perturbative and double-parton interactions (DPI) contributions, of 4.70 +/- 0.09 (stat) (+0.60)(-0.49) (scale) +/- 0.06 (PDF) +/- 0.16 (non-pert) (+0.52)(-0.38) (DPI) pb. |
学科主题 | Physics |
类目[WOS] | Physics, Particles & Fields |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000321381800030 |
公开日期 | 2016-02-26 |
内容类型 | 期刊论文 |
源URL | [http://ir.ihep.ac.cn/handle/311005/213565] |
专题 | 高能物理研究所_实验物理中心 |
作者单位 | 中国科学院高能物理研究所 |
推荐引用方式 GB/T 7714 | ATLAS collaboration. Measurement of the cross-section for W boson production in association with b-jets in pp collisions at root s=7 TeV with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(6). |
APA | ATLAS collaboration.(2013).Measurement of the cross-section for W boson production in association with b-jets in pp collisions at root s=7 TeV with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(6). |
MLA | ATLAS collaboration."Measurement of the cross-section for W boson production in association with b-jets in pp collisions at root s=7 TeV with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .6(2013). |
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