Measurements of properties of strong and electroweak forces with the ATLAS detector at the LHC

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• 关键词：EWEAK ; QCD
• 刊名：Hyperfine Interactions
• 出版年：2017
• 出版时间：November 2017
• 年：2017
• 卷：238
• 期：1
• 全文大小：1044KB
• 刊物类别：Physics and Astronomy
• 刊物主题：Nuclear Physics, Heavy Ions, Hadrons; Atomic, Molecular, Optical and Plasma Physics; Condensed Matter Physics; Surfaces and Interfaces, Thin Films;
• 出版者：Springer International Publishing
• ISSN：1572-9540
• 卷排序：238

文摘

These proceedings summarise ATLAS measurements of properties of the strong and electroweak forces in proton-proton collisions at 7 and 8 TeV during Run-1 at the LHC. The specific measurements presented here are concerned with the gauge symmetries in the Standard Model and related parameters, starting with the production cross section of a W boson in association with jets, the forward-backward asymmetry in the production of Z/γ∗ decaying to electrons or muons and extraction of the effective weak mixing angle. Then a number of measurements specifically probing electroweak processes at very high energies are presented, including the first measurement of triple gauge boson production \(pp\rightarrow W(l\nu )\gamma \gamma \), the production of a leptonically decaying W boson in association with W or Z boson decaying to jets, electroweak production of two jets in association with a Z boson, and same-electric-charge diboson production in association with two jets providing the first evidence of electroweak vector boson scattering.